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.

popcore.com app-ads.txt check

popcore.com is missing out on higher CPMs: its app-ads.txt has 13 invalid lines and lists only 4,454 of the 7,582 lines its 26 ad networks expect (41% missing). Unlisted sellers can't be verified, so buyers bid less or skip the inventory.

Checked 20 Oct 2026. 6,195 lines, 4,948 unique records, 1,180 duplicates, 13 invalid lines, 41 ad networks detected.

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

Google AdMob — accounts pub-5091405389322780, pub-4763065959875201, pub-0054876817521062 and 9 more: 12 lines in the file
Yahoo — account 59184: 1 line in the file
ironSource / LevelPlay — account 211859: 85 lines in the file, 41 expected lines missing
Smaato — accounts 1100043319, 1100055129, ASAP and 4 more: 7 lines in the file
AppLovin — account a98ce64adf40c7a12f0f125a49a32c39: 31 lines in the file, 5 expected lines missing
InMobi — accounts d8c90b83032b42518648a6227ac879ab, f45e6cd66ffd4a828362dd5d7b2f8ec4, 785d1a31c0dc457e8d65db1896a5a219 and 3 more: 158 lines in the file, 119 expected lines missing
DT Exchange (Fyber) — account 210294: 278 lines in the file, 173 expected lines missing
Mintegral — account 17452: 400 lines in the file, 149 expected lines missing
Vungle — accounts 561e8d936b8d90f61a00059f, 5a8a9eca79a4da360300055d, 1127: 335 lines in the file, 27 expected lines missing
Amazon Publisher Services — accounts 15528816, c585acf8-85a6-4dfc-84d3-f0f2200d4d6a, 00ed17ab-4189-4639-9d5e-15acd40affde and 1 more: 4 lines in the file
Unity Ads — account 1391021: 84 lines in the file, 77 expected lines missing
Magnite (Rubicon) — accounts 26980, 27420, 19652 and 7 more: 10 lines in the file
Criteo — accounts B-059025, B-067384: 2 lines in the file
Chartboost — account 60797021cc08cf07dbddd752: 400 lines in the file, 24 expected lines missing
TikTok Ad Network (Pangle) — account 8357: 1 line in the file
MobileFuse — account 4501: 1 line in the file
Index Exchange — account 208267: 1 line in the file
Bidmachine — accounts 514, 294: 400 lines in the file, 400 expected lines missing
Verve (PubNative) — accounts 1009281, 1009377: 400 lines in the file, 400 expected lines missing
OpenX — accounts 560923047, 560923409, 540224251: 3 lines in the file
PubMatic — accounts 165154, 161652, 157577 and 5 more: 8 lines in the file
Meta Audience Network — account 218376355376739: 1 line in the file
Maticoo (zMaticoo) — account 114490: 137 lines in the file, 308 expected lines missing
Sovrn — accounts 509119, 411915, 560797 and 1 more: 4 lines in the file
Xandr (Microsoft) — accounts 9284, 12616, 15686 and 1 more: 4 lines in the file
TripleLift — accounts 10252, 9744: 2 lines in the file
Yandex Ads — partner (reseller) lines only: 94 lines in the file, 74 expected lines missing
VK Ads (myTarget) — partner (reseller) lines only: 91 lines in the file, 53 expected lines missing
BIGO Ads — partner (reseller) lines only: 396 lines in the file, 400 expected lines missing
Yango Ads — partner (reseller) lines only: 400 lines in the file, 400 expected lines missing
Bidease — partner (reseller) lines only: 25 lines in the file, 24 expected lines missing
BlueSea — partner (reseller) lines only: 9 lines in the file, 28 expected lines missing
DSP Exchange — partner (reseller) lines only: 375 lines in the file, 186 expected lines missing
Madex — partner (reseller) lines only: 10 lines in the file, 8 expected lines missing
Monetrix — partner (reseller) lines only: 19 lines in the file, 74 expected lines missing
Prado — partner (reseller) lines only: 13 lines in the file, 14 expected lines missing
HyprMX — partner (reseller) lines only: 270 lines in the file, 99 expected lines missing
Start.io — partner (reseller) lines only: 55 lines in the file, 102 expected lines missing
Kidoz — partner (reseller) lines only: 9 lines in the file, 13 expected lines missing
CAS.ai — partner (reseller) lines only: 90 lines in the file, 75 expected lines missing
DSail — partner (reseller) lines only: 90 lines in the file, 75 expected lines missing

Invalid lines

, , , "
"
pubmatic.com, 156520, RESELLER, 5d62403b186f2ace (key account for SEA)
pubmatic.com, 160456, RESELLER, 5d62403b186f2ace (key account for India)
facebook.com, Property ID, RESELLER, c3e20eee3f780d68
singularads, 548745, RESELLER
uis.mobfox.com, 2310, RESELLER 5529a3d1f59865be
rubiconproject.com, 15854, RESELLER 0bfd66d529a55807
sharethrough.com, Fjkl1tSU, RESELLER, d53b998a7bd4ecd2 // ORTB
onetag.com, 67c71bd96716ca3 RESELLER,
keenkale, 20242025, RESELLER
pubmatic, 163963, RESELLER, 5d62403b186f2ace
conversantmedia.com, 41896, RESELLER 03113cd04947736d

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

FAQ

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

Yes — https://popcore.com/app-ads.txt has 6,195 lines (checked 20 Oct 2026).

Which ad networks does popcore.com work with?

Its app-ads.txt lists Google AdMob, Yahoo, ironSource / LevelPlay, Smaato, AppLovin, InMobi, DT Exchange (Fyber), Mintegral, Vungle, Amazon Publisher Services, Unity Ads, Magnite (Rubicon) and 29 more.

popcore.com app-ads.txt check

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

Invalid lines

FAQ

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

Which ad networks does popcore.com work with?

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

Other checked domains

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