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.

gameestudio.com app-ads.txt check

gameestudio.com is missing out on higher CPMs: its app-ads.txt has 22 invalid lines. Buyers' crawlers skip invalid lines, so those sellers can't be verified.

Checked 20 Oct 2026. 14,180 lines, 8,134 unique records, 5,681 duplicates, 22 invalid lines, 43 ad networks detected.

Ad networks in gameestudio.com/app-ads.txt

InMobi — accounts 294e75c9e98041dcb23291410b303617, 20c9a44b427c40e89d3d7d711dc5b9dc, d42af5b070f04d1585124de5da836367 and 2 more: 269 lines in the file, 7 expected lines missing
Verve (PubNative) — accounts 1017063, 1009742, 1009870 and 1 more: 400 lines in the file, 238 expected lines missing
Yango Ads — accounts 109898313, 104589697: 400 lines in the file, 400 expected lines missing
Yandex Ads — accounts 104589697, 109898313: 163 lines in the file, 7 expected lines missing
Liftoff Monetize (Vungle) — accounts 5deea3dda18ddc0017aee4f4, 60c71d9d6b22ac0017d0bca4: 392 lines in the file
Ogury — accounts a27dbfc9-c603-4104-b824-c9fdf1b35b25, 5bbe7af9-d51f-499e-a804-db54798d96f4: 12 lines in the file, 7 expected lines missing
AppLovin — accounts aa285157803c62b2ab08467194081be5, db8440c24bc69b9adb30cf715f23b1ea: 37 lines in the file
Google AdMob — accounts pub-8566745611252640, pub-1418529948870857, pub-9565212929051562 and 23 more: 26 lines in the file
Mintegral — accounts 33106, 30350: 400 lines in the file, 10 expected lines missing
Smaato — accounts 1100057628, 1100057546, 1100048581 and 11 more: 14 lines in the file
Maticoo (zMaticoo) — accounts 114490, 59093: 399 lines in the file, 47 expected lines missing
Chartboost — accounts 669f5f35bf51c9a100978f30, 620e1b4b38859507f14af54f: 400 lines in the file, 2 expected lines missing
Start.io — accounts 160845347, 163241862: 129 lines in the file, 30 expected lines missing
Magnite (Rubicon) — accounts 24872, 24874, 26094 and 14 more: 17 lines in the file
BIGO Ads — accounts 1115334, 21220568, 1114228: 400 lines in the file
Xandr (Microsoft) — accounts 3691, 12998, 806 and 3 more: 6 lines in the file
PubMatic — accounts 157267, 159501, 163053 and 10 more: 13 lines in the file
OpenX — accounts 541034593, 542280909, 540861995 and 1 more: 4 lines in the file
Index Exchange — accounts 189148, 189149, 205387 and 1 more: 4 lines in the file
DT Exchange (Fyber) — accounts 218367, 218926, 221019: 384 lines in the file, 69 expected lines missing
Unity Ads — accounts 2260833, 2123312, 2214291: 163 lines in the file
Amazon Publisher Services — accounts db25e772-a50a-4abc-826c-f029cd5364e4, 5d8ed25e-57cc-441a-b62a-127b34faae4e, b3d50ad3-eca1-4091-be72-de4a8bc67a3d and 6 more: 9 lines in the file
Yahoo — account 60050: 1 line in the file
TikTok Ad Network (Pangle) — account 52328: 1 line in the file
Kidoz — account 14639: 20 lines in the file, 3 expected lines missing
Sovrn — accounts 276595, 437190, 437190-eb and 5 more: 8 lines in the file
Criteo — accounts B-059025, B-061130, B-066465 and 1 more: 4 lines in the file
VK Ads (myTarget) — account 21220568: 139 lines in the file, 36 expected lines missing
TripleLift — accounts 13041, 7207-EB, 7207 and 4 more: 7 lines in the file
Meta Audience Network — accounts 532315791468455, 876917982716207, 401609945210286 and 2 more: 5 lines in the file
ironSource / LevelPlay — accounts 335022, 452565: 125 lines in the file, 2 expected lines missing
SuperAwesome — account 177: 5 lines in the file, 1 expected line missing
Monetrix — account 182: 80 lines in the file, 14 expected lines missing
Display.io — account 2520: 19 lines in the file, 14 expected lines missing
Bidmachine — account 616: 400 lines in the file, 54 expected lines missing
Bidease — partner (reseller) lines only: 38 lines in the file, 11 expected lines missing
BlueSea — partner (reseller) lines only: 24 lines in the file, 13 expected lines missing
DSP Exchange — partner (reseller) lines only: 400 lines in the file, 156 expected lines missing
Madex — partner (reseller) lines only: 9 lines in the file, 9 expected lines missing
Prado — partner (reseller) lines only: 23 lines in the file, 4 expected lines missing
HyprMX — partner (reseller) lines only: 271 lines in the file, 98 expected lines missing
CAS.ai — partner (reseller) lines only: 159 lines in the file, 6 expected lines missing
DSail — partner (reseller) lines only: 159 lines in the file, 6 expected lines missing

Invalid lines

video.unrulymedia.com, SELLER ID, 648839904
singularads, 225023, RESELLER
[vungle.com,5deea3dda18ddc0017aee4f4,DIRECT,c107d686becd2d77 152media.info,152M312,RESELLER adform.com,2742,RESELLER pubmatic.com,163319,RESELLER,5d62403b186f2ace adform.com,3083,RESELLER adform.com,3
whitemediasolutions, 1920, DIRECT
singularads, 895023, RESELLER
loopme.com, 9724, RESELLER, 6c8d5f95897a5a3brjpubmatic.com, 156931, RESELLER, 5d62403b186f2ace
singularads, 895023, RESELLER
freewheel.tv, 539813-r-524565, RESELLER (non US, Inapp+Web)
freewheel.tv, 539813-r-523319, RESELLER (US, Inapp+Web)
lijit.com, 52416, RESELLER,f afdf38b16bf6b2b
onetag.com, 67c71bd96716ca3 RESELLER
lijit.com, 383910, RESELLER, fafdf38b16bf6b2b freewheel.tv, 535659-r-524565, RESELLER
lijit.com, 383910, RESELLER, fafdf38b16bf6b2b video.unrulymedia.com, 829160295, RESELLER
lumeriq, 111326 RESELLER
rtbdemand.com, {seller id}, DIRECT

Corrected file: gameestudio.com app-ads.txt (fixed).

FAQ

Does gameestudio.com have an app-ads.txt?

Yes — https://gameestudio.com/app-ads.txt has 14,180 lines (checked 20 Oct 2026).

Which ad networks does gameestudio.com work with?

Its app-ads.txt lists InMobi, Verve (PubNative), Yango Ads, Yandex Ads, Liftoff Monetize (Vungle), Ogury, AppLovin, Google AdMob, Mintegral, Smaato, Maticoo (zMaticoo), Chartboost and 31 more.

Is the app-ads.txt of gameestudio.com correct?