An IAB Tech Lab standard that lets app publishers declare which ad networks are authorized to sell their inventory.

Where do I put the app-ads.txt file?

At the root of the developer website listed in your App Store / Google Play page, e.g. https://studio.com/app-ads.txt.

What is a Certification Authority ID?

An optional TAG-ID of the ad system, the 4th field of an app-ads.txt record.

help.yomi.studio app-ads.txt check

help.yomi.studio is missing out on higher CPMs: its app-ads.txt has 70 invalid lines and lists only 3,271 of the 8,073 lines its 25 ad networks expect (59% missing). Unlisted sellers can't be verified, so buyers bid less or skip the inventory.

Checked 20 Oct 2026. 4,865 lines, 3,442 unique records, 1,189 duplicates, 70 invalid lines, 37 ad networks detected.

Ad networks in help.yomi.studio/app-ads.txt

Google AdMob — accounts pub-5013716316706500, pub-7279990999620104: 2 lines in the file
Meta Audience Network — account 461689340707830: 1 line in the file
AppLovin — account b37feb59267c49be8227e9d0cc05ed30: 25 lines in the file, 11 expected lines missing
Unity Ads — accounts 1267365, 5283168: 67 lines in the file, 95 expected lines missing
Vungle — account 5afab40c2bea037ad5e7f7cd: 233 lines in the file, 127 expected lines missing
InMobi — accounts b8a2686923e84a00a149a03c6a535484, b76e9bc9a7d3407fa84ce458f01e313d, cb6a6239dfec478f818c1ffca00ca440: 142 lines in the file, 132 expected lines missing
DT Exchange (Fyber) — account 213198: 214 lines in the file, 237 expected lines missing
TikTok Ad Network (Pangle) — accounts 53926, 9898: 2 lines in the file
PubMatic — accounts 160565, 158060, 148803: 3 lines in the file
Mintegral — account 22907: 400 lines in the file, 268 expected lines missing
OpenX — accounts 540679900, 540857594: 2 lines in the file
Verve (PubNative) — account 1008069: 400 lines in the file, 400 expected lines missing
ironSource / LevelPlay — account 216939: 64 lines in the file, 62 expected lines missing
Chartboost — accounts 5afaa9acb100540ddc2a2786, 5d55f702facb6743686c50cc: 400 lines in the file, 234 expected lines missing
Criteo — accounts B-057601, B-057955, B-068074: 3 lines in the file
Index Exchange — accounts 199032, 195541: 2 lines in the file
Magnite (Rubicon) — accounts 17262, 23774, 25386: 3 lines in the file
Xandr (Microsoft) — accounts 7847, 9684, 14416 and 1 more: 4 lines in the file
BIGO Ads — account 130: 269 lines in the file, 400 expected lines missing
Bidmachine — accounts 114, 67, 212: 400 lines in the file, 400 expected lines missing
Start.io — account 164512585: 37 lines in the file, 121 expected lines missing
MobileFuse — account 4173: 1 line in the file
Yahoo — accounts 59759, 60013: 2 lines in the file
Amazon Publisher Services — account e262dd10-2c7e-4a9c-abcd-337b19d38c81: 1 line in the file
Smaato — accounts 1100056951, 1100057628: 2 lines in the file
Yandex Ads — partner (reseller) lines only: 60 lines in the file, 108 expected lines missing
VK Ads (myTarget) — partner (reseller) lines only: 93 lines in the file, 51 expected lines missing
Yango Ads — partner (reseller) lines only: 400 lines in the file, 400 expected lines missing
Bidease — partner (reseller) lines only: 11 lines in the file, 38 expected lines missing
DSP Exchange — partner (reseller) lines only: 316 lines in the file, 245 expected lines missing
Madex — partner (reseller) lines only: 6 lines in the file, 12 expected lines missing
Maticoo (zMaticoo) — partner (reseller) lines only: 89 lines in the file, 355 expected lines missing
Prado — partner (reseller) lines only: 10 lines in the file, 17 expected lines missing
HyprMX — partner (reseller) lines only: 207 lines in the file, 162 expected lines missing
Kidoz — partner (reseller) lines only: 7 lines in the file, 15 expected lines missing
CAS.ai — partner (reseller) lines only: 52 lines in the file, 113 expected lines missing
DSail — partner (reseller) lines only: 52 lines in the file, 113 expected lines missing

Invalid lines

Google
Facebook
AppLovin
Unity
Vungle
AdColony
InMobi
Fyber
Mintegral
//other dsp reseller
//Added on 2021/03/01
//Added on 2021/01/08
ucfunnel.com, par-E2B2BB3E89BE87A2F774B768BEED62A2,
smartyads.com, 897, fd2bde0ff2e62c5d
VerveGroup

Corrected file: help.yomi.studio app-ads.txt (fixed).

FAQ

Does help.yomi.studio have an app-ads.txt?

Yes — https://help.yomi.studio/app-ads.txt has 4,865 lines (checked 20 Oct 2026).

Which ad networks does help.yomi.studio work with?

Its app-ads.txt lists Google AdMob, Meta Audience Network, AppLovin, Unity Ads, Vungle, InMobi, DT Exchange (Fyber), TikTok Ad Network (Pangle), PubMatic, Mintegral, OpenX, Verve (PubNative) and 25 more.

help.yomi.studio app-ads.txt check

Ad networks in help.yomi.studio/app-ads.txt

Invalid lines

FAQ

Does help.yomi.studio have an app-ads.txt?

Which ad networks does help.yomi.studio work with?

Is the app-ads.txt of help.yomi.studio correct?

Other checked domains

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