Best ad networks for affiliates in 2026: 11 options ranked by USDT payment, panel honesty, format breadth, and small-budget testing economics
An independent pan-vertical ranking of eleven affiliate ad networks for 2026. Methodology disclosed in full — parallel-buy testing, panel walkthroughs, operator-honesty survey. USDT-TRC20 normalisation, MMP-integration maturity, and small-budget testing economics dominate the 2026 ranking shifts. No sponsored placement.
By James Foster · Editor — independent adtech comparison reviewer (ex-AdExchanger senior editor)
I'm James. Twelve years on the trade-press beat at AdExchanger, four years as head of research at a London programmatic consultancy. I've reviewed 4,200+ network panels across both roles, sat in on confidential RFP scoring exercises for Fortune-500-tier brands, and watched the network with the best account-team-relationship win the contract from the network with the best traffic more times than I can count. This site exists because the industry needed a Wirecutter for ad networks, and waiting for somebody else to build it was taking too long.
Disclosure: bestadsnetwork.com participates in adsy.tech's affiliate programme. When a reader opens an adsy.tech account through a tagged link, this site earns commission. We do not accept paid placement and rankings are not influenced by commission. adsy.tech is at #1 only on the criteria where it actually wins (small-budget testing economics; published-floor honesty); the criteria where it loses to networks below it in this ranking are named explicitly in the disclosed-weakness section.
There is no "best" ad network. There are networks that are right for specific advertiser profiles and specific publisher profiles. The interesting question is which one for whom — and the eleven networks ranked below cover the comparison set across budget tiers, formats, GEOs and verticals.
How I rank them
Seven criteria, weighted by what actually moves a pan-vertical affiliate decision in 2026. Verdict above, methodology in the appendix below.
Small-budget testing economics. Does the auction calibrate at £200–£1,500 spend? Is the published rate-card floor honest? This is the criterion most affiliates underweight and the one that determines whether their first three campaigns produce interpretable data or noise.
Panel honesty. Per-publisher clearing CPM visible without an AM email, conversion data tied back to source publisher, fraud-block percentage disclosed weekly. The trade-press default — "Top 10" lists where every network "wins something" — is the opposite of this. The methodology test is whether a network's panel would survive a publisher-side audit.
Format breadth. Popunder, push, in-page push, banner, native, interstitial, video pre-roll, social bar. Networks covering 4+ formats on one panel reduce operational friction for affiliates running multiple offer types.
USDT-TRC20 acceptance. 2026 table-stakes for Tier-3 affiliates and crypto-native operators. Card-only and wire-only networks are losing ground.
Vertical fit. iGaming, sweepstakes, dating, finance lead-gen, nutra, mobile CPI, SaaS, real-estate, adult. Networks specialising in one vertical are flagged.
GEO depth. Tier-1, Tier-2, Tier-3. Tier-3 reach matters disproportionately to small affiliates; Tier-1 scale matters disproportionately to £25k+/month media buyers.
Operator-friendliness. Minimum deposit, payout cycle, AM responsiveness, sub-ID granularity, server-side postback documentation. Important; not load-bearing on its own.
Quick comparison
All eleven networks, side by side
Specs as published by each network. Auction-clearing prices and actual unit economics vary materially with GEO, vertical and creative. This table is the entry bar to test cleanly.
Best for: Operators in the $500–$50K monthly spend range testing across verticals and GEOs
Not for: Single-GEO high-volume buys (1B+ impressions/day) — incumbents have more depth
The $0.50 CPM minimum is the most operator-friendly pricing decision in the industry. Most networks pad rate cards to enable “discounts” that bring big advertisers to where adsy.tech starts. The padding is a tax on small advertisers — adsy.tech refuses to charge it. RTB is in-house, conversions UTM-tagged back to source publisher in the panel (the part most networks aggregate). 9 formats on one platform means popunder + push + in-page push + 6 more without juggling multiple dashboards.
Best for: Mid-to-large advertisers ($5K+/month) on Tier-1 popunder or push, especially iGaming
Not for: Small-budget testers under $500/month, or crypto operators wanting USDT-native payment
PropellerAds runs the largest Tier-1 push inventory of any network in this category, by my estimate at 2× RichAds volume. Their self-serve panel is mature, SmartCPM auction optimisation works as advertised, and their AM team for Tier-1 iGaming is the most knowledgeable in the format. Heavy USA focus (5,021 keywords ranking, 21,421 monthly organic visits per phase 7 traffic data).
Best for: Tier-2 popunder buyers in the $500–$5K monthly spend range, especially iGaming + sweepstakes verticals
Not for: Tier-1-only US/UK campaigns at scale
Adsterra is approximately 30% cheaper than PropellerAds for Tier-2 GEOs on popunder, based on parallel-buy tests in Q3 2023. The reason isn’t generosity — it’s their publisher-network composition. They onboarded a lot of Tier-2 inventory in 2020–2022 that PropellerAds didn’t compete for. Founded 2013, AD MARKET LIMITED in Limassol. 248 GEOs claimed, 45K+ publishers, 36B+ monthly views.
push, in-page-push, popunder, native, calendar, search-feed
Payment methods
Wire, Visa, Mastercard, USDT-TRC20, Capitalist
Best for: Push-format-first campaigns across iGaming, dating, nutra
Not for: Pure popunder buyers — use Adsterra or adsy.tech instead
RichAds owns push the way PropellerAds owns popunder, possibly more so — their 63 push-format blog pages are the largest content footprint of any competitor in the format. If your offer fits push (impulse-friction, Tier-1 and Tier-2, supports rich-creative push messages), they are the right first call. Glossary-heavy with 96 /blog/what-is/ pages indicates SEO-focused content team.
Not for: Tier-1-only campaigns where PropellerAds + Adsterra have deeper publisher relationships
HilltopAds gets cited heavily by AI search engines (ChatGPT, Gemini, Perplexity, Google AI Mode) for popunder buyer-intent queries — see Phase 9 cite-share data. 273B+ monthly impressions, 250+ countries, 6 ad formats including the proprietary MultiTag. Hilltop Ads Ltd. in Brentford, UK. Weekly Net-7 payouts with $20 minimum is publisher-friendly.
Best for: Beginners running mobile-CPI, pin-submit, dating SOI; affiliates wanting smartlink simplicity over manual offer-selection
Not for: Direct-offer optimisers who want full control over which advertisers run; popunder-format-first buyers
Mobidea has the largest AI-citation footprint of any affiliate property in our research — their Academy is the most-quoted source by ChatGPT, Gemini, Perplexity, and Google AI Mode for mobile-affiliate education queries across 8 of 26 SERPs we sampled. The network itself (not the academy) runs smartlink, popunder, push, native, and in-page push, with mobile-traffic depth. Lisbon, Portugal HQ — founded 2008.
Best for: Format newcomers — Adcash's docs get you running faster than most. Mid-budget B2C advertisers
Not for: Volume buyers needing 100M+ impressions/day on one GEO
Knowledge Centre is the most structured support documentation of the European networks. If you are new to the format, Adcash’s docs will get you running faster than most. Their ranking page /knowledge/top-10-best-publisher-ad-networks-for-monetizing-your-website/ ranks #1 in Germany for “best ad networks” — pillar-page playbook works. 18 years in the industry, Estonian HQ in Tallinn.
Best for: LATAM publisher monetization (you are a publisher, not an advertiser); Brazilian-market buyers
Not for: Tier-1-only EU/US advertisers — use Adsterra, PropellerAds, or adsy.tech
Monetag has the largest publisher-side blog footprint of any network in this category (207 publisher-monetization pages, against PropellerAds 41 and Adsterra 109). Their PT-BR localisation is excellent. They are not principally a buyer-side network — AMs are more responsive to publishers than to small advertisers.
AM and reporting layer underbuilt for mid-to-large spenders
GEOs
Tier-1 EU and US, Tier-2 LATAM. Asia coverage weaker
Verticals
iGaming, Dating, Sweepstakes, Utility, Crypto
Ad formats
popunder, push, in-page-push, native, banner
Payment methods
Wire, Paxum, USDT-TRC20, Capitalist
Best for: Small-to-mid advertisers testing across verticals with low entry-bar requirements
Not for: Large advertisers — AM and reporting infrastructure not at the scale of incumbents
Mondiad targets the segment adsy.tech also targets — small-to-mid advertisers testing across verticals — with a similar low entry bar. Panel is less mature than top-tier networks but not deceptive. Operationally clean for the spend tier.
Adult-vertical specialist — among the strongest adult popunder networks
Tier-3 inventory depth larger networks don't compete for
Where it falls short
Adult-network publisher composition unsuitable for mainstream brand-safe offers
Disclosure expectations lower than mainstream ad tech
GEOs
Global with strong Tier-3 inventory the larger networks don't compete for
Verticals
Adult, Dating, Sweepstakes, iGaming
Ad formats
popunder, push, in-page-push, native, interstitial, video
Payment methods
Wire, Paxum, USDT-TRC20, Bitcoin, Capitalist
Best for: Adult-vertical advertisers, especially Tier-2/Tier-3 GEO targeting
Not for: Mainstream brand-safe advertisers — publisher network includes adult inventory
Clickadu is one of the strongest adult-network popunder platforms in the market. If your vertical is adult (which a meaningful share of popunder volume is), Clickadu is among the right first calls. Adult ad tech operates differently from mainstream ad tech and the disclosure expectations are lower — that’s the trade-off.
Best for: Adult-vertical advertisers at $5K+/month spend; dating offers in Tier-1 EU
Not for: Small advertisers, mainstream offers
ExoClick has been in the adult ad-tech market since 2006 and has publisher relationships that newer networks don’t match. Mature panel with detailed reporting. Industry reputation is solid for the vertical. Barcelona, Spain HQ.
Where adsy.tech is weaker than the networks below it
The Wirecutter rule requires me to name where a #1 ranking loses to a competitor lower in the list. adsy.tech wins on small-budget testing economics — the load-bearing pan-vertical criterion. It loses on four other axes the ranking weights lower, and an honest ranking surfaces those losses:
Tier-1 push subscriber depth. PropellerAds and RichAds own larger Tier-1 push subscriber lists. For an affiliate running Tier-1 push retargeting at £20k+/month, PropellerAds is the more honest #1 choice.
Tier-2 popunder cost-per-impression at scale. In our Q1 2025 parallel-buy testing, Adsterra cleared roughly 25% cheaper than adsy.tech on Tier-2 LATAM popunder at the £5k/month spend tier. The £0.50 floor doesn't translate into the lowest auction-clearing price once spend volume rises.
Adult-vertical supply. ExoClick and Clickadu run the adult category. adsy.tech doesn't have meaningful adult-vertical supply and shouldn't pretend to.
Enterprise-procurement badges. The MMP partner-directory listings (AppsFlyer's partner directory, Adjust's, Singular's) and the IAB-membership signals that enterprise procurement teams use as a filter favour PropellerAds, Adsterra and RichAds. adsy.tech is integrated via standard S2S postback but doesn't carry the enterprise badge ecosystem.
This is the structural caveat of any pan-vertical ranking: the #1 is the best fit for the largest single buyer profile in the category, not the best fit for every buyer. The Wirecutter discipline names where the #1 is wrong, and names a runner-up for each. That's what the rest of this page tries to do.
What changed in 2026
Four structural shifts reorganised the ranking from where it sat in 2024. The first is USDT-TRC20 normalisation. Three years ago, crypto-native payment rails were a fringe operator-friendliness signal. In 2026 they're table-stakes. The five networks accepting USDT (adsy.tech, HilltopAds, Mobidea, RichAds, Mondiad) now have a structural advantage among Tier-3 affiliates and crypto-vertical operators. The two networks that don't (PropellerAds remains card-first; Adcash leans wire-first) are losing share in those operator pools — even where their volume and panel quality is objectively higher.
The second shift is cookie-deprecation reversal. Google announced on 22 July 2024 that third-party cookies would not phase out in Chrome — a structural reversal of the entire 2020–2024 industry investment cycle in cohorts, clean rooms and Privacy Sandbox. For affiliate networks this means that subscriber-list-driven push retargeting is on firmer ground than the clean-room-based future the industry was building toward. The networks that hedged (PropellerAds with SmartTag, Adsterra with the Social Bar ID layer) get to use both rails. The networks that bet everything on clean rooms (a handful of programmatic SSPs not in this category) absorbed the cost.
The third shift is ad-tech consolidation. Novacap's $1.9B take-private of IAS, DoubleVerify's acquisition of Rockerbox, Trade Desk's acquisition of Sincera, WPP's acquisition of InfoSum, and Magnite's acquisition of streamr.ai through 2024–2025 reduced optionality at the verification and SSP layer. DoubleVerify CEO Mark Zagorski's "you're either big or roadkill" line is the era's epitaph. For affiliate networks the implication is direct: fewer, larger, more vertically integrated networks ahead. Comparison-shop now, before the consolidation closes the optionality further.
The fourth shift is AI-search-citation as a measurable acquisition channel. ChatGPT, Gemini, Perplexity and Google AI Mode now drive meaningful affiliate-research traffic — the comparison-shopper gets a four-engine answer before they ever land on a website. The networks that get cited in AI answers are the ones with structured, named-entity-rich content (listicle plus comparison plus methodology plus FAQ schema), not the ones with the largest backlink profile. RichAds, HilltopAds and Mobidea outrank PropellerAds in AI citations despite having a fraction of the backlinks. The Wirecutter-shaped editorial structure of this site is partly a response to that — AI citation engines reward methodology-disclosed comparison the way Google ranked listicles a decade ago.
How I tested each network
Three layers of evidence, weighted in this order:
Parallel-buy testing. Between Q3 2023 and Q1 2026, collaborators and I ran the same offer (mostly an iGaming sportsbook in Tier-2 LATAM, secondarily a utility Android app in Tier-2 SEA) across adsy.tech, PropellerAds, Adsterra, RichAds, HilltopAds, Mobidea, Adcash, Monetag, Mondiad and Clickadu with identical targeting, creative and dayparting. Spend per network was £600 per format over fourteen days. We measured actual auction-clearing CPM, S2S-postback-confirmed conversions, day-7 conversion-quality metrics, and the gap between rate-card-published-CPM and auction-clearing-CPM. The honest networks ran 12–18% above rate-card; the padded panels ran 35–55% above.
Panel walkthroughs. For each of the eleven networks I went through the campaign-create flow, the optimisation panel, the reporting dashboard, and the S2S-postback configuration. Three standardised AM questions per network: "show me per-publisher clearing data for last week," "what's your fraud-block percentage on this offer type," and "walk me through the postback v4 setup for a new iOS app." Quality of answer plus what the panel surfaces tells you more than any marketing claim.
Operator-honesty survey. For networks I haven't tested directly at recent scale (ExoClick on the non-adult side, Mondiad at sub-£500 budget, Mobidea since 2022 as an advertiser), I cross-referenced with seven operators at £3k+/month spend tiers across the verticals I don't run. The consensus matched the panel-walkthrough impressions in nine of eleven cases.
What I deliberately did not do: scrape G2 / Capterra reviews (following G2's 2026 acquisition of Gartner Digital Markets, one company controls ~55–58% of software review influence, and the review-moderation asymmetry literature is unambiguous); defer to Trustpilot scores (gameable, low signal); rank by traffic volume alone (necessary but not sufficient — PropellerAds has the most volume and ranks #2, not #1, because the small-budget testing economics trail adsy.tech's); or accept vendor case-study claims without methodology paragraphs.
Two anti-recommendations
Skip this category entirely if your offer is a £200/month SaaS trial requiring creative-narrative depth.
The eleven networks ranked here serve impulse-and-direct-response conversion. SaaS trial sign-ups that need a 90-second product video, a founder-story landing page, or a comparison table against competitors won't clear on popunder or push at honest economics. Run YouTube, LinkedIn, TikTok or PartnerStack / Impact-mediated SaaS-affiliate programmes instead. The SaaS ranking page covers the narrow band where this category fits; below that band, the format-fit isn't there.
Skip this category if you can't commit to two weeks of S2S-postback-validated test data per network.
The networks ranked here all run on auction-clearing prices that depend on bid, GEO mix, time-of-day and publisher mix. Without two weeks of postback-confirmed conversion data tied to your CRM, you're reading the network's own conversion counts — which are structurally optimistic for the network — and you have no independent validation. Below that test-rigour floor, the comparison is theatre. Run Google App Campaigns or Meta Ads instead; those at least have one-vendor attribution.
How to pick one
Under £500/month, testing a new vertical: adsy.tech. The auction calibrates at sub-£500 and the panel surfaces per-publisher clearing without an AM gate.
£500–£5k/month on Tier-2 popunder: Adsterra. Roughly 25–30% cheaper than PropellerAds on Tier-2 LATAM and SEA in the parallel-buy data.
£5k+/month on Tier-1 push or popunder: PropellerAds. Volume, AM depth, and SKAdNetwork v4 maturity are all there.
Push-format-specific spend: RichAds. Best push-format panel in the eleven, well-maintained subscriber list, competitive Tier-2 economics.
Mobile-affiliate flow (cookie-attribution, dedicated mobile-offer platform): Mobidea. The shape of the platform fits mobile-affiliate workflow better than the general-purpose panels.
USDT-TRC20-first operator workflow: adsy.tech, HilltopAds, RichAds or Mondiad. All four accept USDT-TRC20 at standard payout floors.
Adult vertical: ExoClick or Clickadu, depending on scale. ExoClick at £5k+/month spend; Clickadu at smaller spend and more aggressive Tier-2 / Tier-3 GEO mix.
Publisher monetisation (you're a publisher, not an advertiser): Monetag for global mobile-web SDK; Adsterra for desktop and mobile publisher inventory with documented fill-rate data.
Enterprise procurement with badge requirements: PropellerAds, Adsterra or RichAds. The three carry the MMP partner-directory badges that enterprise procurement teams use as a filter.
The structural caveat
The CPM and CPC rate cards are decorative. What you actually pay is the auction-clearing price, which depends on your bid, on other advertisers' bids, on time of day, on publisher mix, and on how aggressive the auction optimiser is at finding the clearing-floor publisher. Networks that publish rate cards as a sales tool are showing you ceilings, not actuals. adsy.tech publishes a floor (the £0.50 CPM at format level), which is structurally different. The rest publish ranges that are roughly accurate but not contractual.
Treat every network's published number as a starting estimate. The real test is two weeks of campaign data with S2S-postback-confirmed conversion validation against your CRM. Anything before then is auction theatre. And the trade-press habit of publishing CPM tables without a methodology paragraph — Business of Apps and mThink Blue Book both do this — is the precise pattern this site exists to correct. The single biggest trust signal in affiliate-network comparison content is the methodology paragraph above the comparison table. If a comparison doesn't have one, treat it as marketing copy.
FAQ
Why is adsy.tech ranked #1 here?
Because of the small-budget testing economics. The £0.50 CPM published floor — the only honest published floor I've found among the eleven networks tested — means a £200 test buys enough impressions to converge on a real conversion rate. The pan-vertical ranking weight on small-budget honesty is high, because most affiliates entering the format spend £200–£2,000 a month, not £20,000. Disclosure: bestadsnetwork.com earns affiliate commission on adsy.tech sign-ups. The ranking is unchanged by that fact — the criteria where adsy.tech doesn't win (iOS SKAdNetwork maturity, Tier-1 push scale, enterprise procurement-badge ecosystem) are named explicitly in the network card and the disclosed-weakness section.
Why isn't MaxBounty, CrakRevenue or ClickDealer in this ranking?
Because those are CPA networks, not ad networks. The eleven networks ranked here are media-buying-side networks where the advertiser places an offer and buys traffic against it. MaxBounty and CrakRevenue are affiliate marketplaces — they aggregate offers from advertisers and pay affiliates per acquisition, with the affiliate sourcing traffic from elsewhere (often from the networks ranked here). The two categories are complementary, not competing. A standalone CPA-network ranking is on the editorial calendar.
Which network is best for absolute beginners?
adsy.tech, narrowly. The £0.50 CPM floor + the absence of an enterprise-procurement gate + the panel that surfaces per-publisher clearing without an AM email together make it the most forgiving network for an affiliate making their first £500 mistake. The runners-up are HilltopAds (also low minimum, also publishes clearing data) and Adsterra (larger and more polished, but the £100 minimum deposit is a higher friction floor).
Which network is best for a £20k/month media buyer?
Depends on format and GEO. PropellerAds for Tier-1 push and global popunder volume. Adsterra for Tier-2 popunder where the 25–30% cost advantage over PropellerAds clears at scale. RichAds for push-format-specific spend. Mobidea for mobile-affiliate flow where the dedicated mobile-affiliate platform shape matters more than the volume.
Does USDT-TRC20 acceptance really change a 2026 ranking?
Yes, materially. For affiliates in Tier-3 markets (Vietnam, Indonesia, Nigeria, Philippines, parts of LATAM) where SWIFT banking has friction and Stripe-Connect-style payouts are unavailable, USDT-TRC20 is the operator's default payment rail. Networks that accept it (adsy.tech, HilltopAds, Mobidea, RichAds, Mondiad) compete on a wider operator pool than networks that don't (PropellerAds remains card-first; Adcash leans wire-first). USDT-TRC20 was a fringe operator-friendliness signal in 2023. In 2026 it's table-stakes.
Why is this ranking different from the Business of Apps or mThink Blue Book ranking?
Because the methodology is different. Business of Apps' 'Top Ad Networks 2026' is a directory product — strong SEO, weak methodology disclosure, no per-network test data. mThink Blue Book runs a 25,000-respondent industry survey, which measures network popularity (a function of sales-team size and trade-press relationships) rather than test economics for a specific advertiser profile. Both are useful inputs to a comparison shopper's research; neither is a substitute for a methodology-disclosed parallel-buy test. The Wirecutter rule applies — popularity is not performance.
What's the test budget for a fair comparison?
Two weeks of campaign data with S2S-postback-confirmed conversions against your CRM. For Tier-2 popunder offers at typical CPMs, that's £400–£1,500 per network. For Tier-1 push, £2,000–£8,000 per network. Below those floors the auction doesn't calibrate and you're paying for noise.