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.

mobowl.net app-ads.txt check

mobowl.net is missing out on higher CPMs: its app-ads.txt has 10 invalid lines. Buyers' crawlers skip invalid lines, so those sellers can't be verified.

Checked 19 Oct 2026. 5,422 lines, 4,685 unique records, 700 duplicates, 10 invalid lines, 39 ad networks detected.

Ad networks in mobowl.net/app-ads.txt

Google AdMob — accounts pub-3950136031643941, pub-8622186303703569: 2 lines in the file
Unity Ads — account 1647478: 161 lines in the file
ironSource / LevelPlay — accounts 330448, 366215, 589181: 128 lines in the file
Index Exchange — account 194516: 1 line in the file
Magnite (Rubicon) — accounts 19652, 27420, 26980 and 1 more: 4 lines in the file
AppLovin — account a278d2c2f34226329c8890114c82825c: 36 lines in the file
PubMatic — accounts 159856, 163634, 165874 and 1 more: 4 lines in the file
Meta Audience Network — accounts 223014119183059, 723387965303583: 2 lines in the file
TikTok Ad Network (Pangle) — account 5017325: 1 line in the file
Smaato — accounts 1100057628, 1100057546: 2 lines in the file
Liftoff Monetize (Vungle) — account 5d52999423debd00183e9352: 391 lines in the file
Criteo — account B-059025: 1 line in the file
Bidmachine — account 1070: 400 lines in the file
Mintegral — account 44099: 400 lines in the file
Maticoo (zMaticoo) — accounts 114490, 5135063: 266 lines in the file, 180 expected lines missing
InMobi — accounts c0d689973cea44da930b4907ef796b8e, ddb41d8a9f434a918d05a0fc9999d9f9: 215 lines in the file, 58 expected lines missing
Sovrn — accounts 411915, 563477, 594162 and 4 more: 7 lines in the file
OpenX — accounts 563905670, 564921063: 2 lines in the file
TripleLift — accounts 6998, 14146: 2 lines in the file
CAS.ai — accounts b5a73ae1, babe9c54: 136 lines in the file, 29 expected lines missing
BlueSea — account 204037: 26 lines in the file, 12 expected lines missing
Start.io — account 117514417: 90 lines in the file, 68 expected lines missing
Xandr (Microsoft) — account 10815: 1 line in the file
Chartboost — partner (reseller) lines only: 400 lines in the file, 250 expected lines missing
DT Exchange (Fyber) — partner (reseller) lines only: 292 lines in the file, 158 expected lines missing
Yandex Ads — partner (reseller) lines only: 142 lines in the file, 26 expected lines missing
VK Ads (myTarget) — partner (reseller) lines only: 84 lines in the file, 60 expected lines missing
BIGO Ads — partner (reseller) lines only: 400 lines in the file, 298 expected lines missing
Yango Ads — partner (reseller) lines only: 400 lines in the file, 400 expected lines missing
Bidease — partner (reseller) lines only: 31 lines in the file, 18 expected lines missing
Display.io — partner (reseller) lines only: 11 lines in the file, 21 expected lines missing
DSP Exchange — partner (reseller) lines only: 263 lines in the file, 298 expected lines missing
Madex — partner (reseller) lines only: 5 lines in the file, 13 expected lines missing
Monetrix — partner (reseller) lines only: 64 lines in the file, 29 expected lines missing
Prado — partner (reseller) lines only: 21 lines in the file, 6 expected lines missing
Verve (PubNative) — partner (reseller) lines only: 400 lines in the file, 400 expected lines missing
HyprMX — partner (reseller) lines only: 191 lines in the file, 178 expected lines missing
Kidoz — partner (reseller) lines only: 17 lines in the file, 5 expected lines missing
DSail — partner (reseller) lines only: 136 lines in the file, 29 expected lines missing

Invalid lines

singularads, 548745, RESELLER
vungle.com,[yourVunglePublisherAccountID],DIRECT,c107d686becd2d77
mobilityware.com:
weatherbug.com:
easybrain.com:
say.games:
rollicgames.com:
rubiconproject.com, 15854, RESELLER 0bfd66d529a55807
app-stock.com, 256917, RESELLER-$2K-$5K
lemmatechnologies, 1844, RESELLER

Corrected file: mobowl.net app-ads.txt (fixed).

FAQ

Does mobowl.net have an app-ads.txt?

Yes — https://mobowl.net/app-ads.txt has 5,422 lines (checked 19 Oct 2026).

Which ad networks does mobowl.net work with?

Its app-ads.txt lists Google AdMob, Unity Ads, ironSource / LevelPlay, Index Exchange, Magnite (Rubicon), AppLovin, PubMatic, Meta Audience Network, TikTok Ad Network (Pangle), Smaato, Liftoff Monetize (Vungle), Criteo and 27 more.

Is the app-ads.txt of mobowl.net correct?