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.

songpop2.com app-ads.txt check

songpop2.com is missing out on higher CPMs: its app-ads.txt has 5 invalid lines and lists only 6,113 of the 7,618 lines its 29 ad networks expect (20% missing). Unlisted sellers can't be verified, so buyers bid less or skip the inventory.

Checked 20 Oct 2026. 8,630 lines, 6,126 unique records, 2,434 duplicates, 5 invalid lines, 41 ad networks detected.

Ad networks in songpop2.com/app-ads.txt

Xandr (Microsoft) — accounts 3615, 12622, 12616 and 4 more: 7 lines in the file
InMobi — accounts 2c28583995f24fd397b6c66100c243a5, ddb41d8a9f434a918d05a0fc9999d9f9: 175 lines in the file, 98 expected lines missing
Magnite (Rubicon) — accounts 14554, 12496, 26980 and 3 more: 6 lines in the file
Mintegral — accounts 13026, 35517: 400 lines in the file, 60 expected lines missing
Smaato — accounts 1100057628, 1100057546, 1100048585 and 1 more: 4 lines in the file
Maticoo (zMaticoo) — accounts 114490, 5135063: 261 lines in the file, 185 expected lines missing
PubMatic — accounts 157627, 158200, 159804 and 4 more: 7 lines in the file
Unity Ads — account 1064821: 152 lines in the file, 9 expected lines missing
Liftoff Monetize (Vungle) — account 561e8d976b8d90f61a00402a: 361 lines in the file, 30 expected lines missing
ironSource / LevelPlay — account 203759: 107 lines in the file, 19 expected lines missing
Google AdMob — accounts pub-5607002036640398, pub-2775217261542084, pub-8282682122210132 and 2 more: 5 lines in the file
Index Exchange — accounts 197849, 197901, 800614 and 2 more: 5 lines in the file
AppLovin — account 09d64b81c5027b39eebe9f03cd5a01dc: 36 lines in the file
DT Exchange (Fyber) — account 217107: 400 lines in the file, 8 expected lines missing
Meta Audience Network — account 819593788117586: 1 line in the file
TikTok Ad Network (Pangle) — account 82275: 1 line in the file
Amazon Publisher Services — account 42df5c79-9a6a-4118-b46f-dd311cf16fb8: 1 line in the file
Kidoz — account 15171: 22 lines in the file, 1 expected line missing
HyprMX — account 25588395103: 365 lines in the file, 5 expected lines missing
Verve (PubNative) — accounts 1016513, 1016935: 400 lines in the file, 400 expected lines missing
Bidmachine — account 754: 400 lines in the file, 400 expected lines missing
Sovrn — accounts 411915, 563477, 583061 and 6 more: 9 lines in the file
OpenX — accounts 563905670, 564921063, 559912325: 3 lines in the file
TripleLift — accounts 6998, 14146, 13041: 3 lines in the file
BlueSea — account 204037: 25 lines in the file, 13 expected lines missing
CAS.ai — accounts b5a73ae1, babe9c54: 136 lines in the file, 29 expected lines missing
Start.io — accounts 117514417, 163241862, 157659870: 97 lines in the file, 63 expected lines missing
Criteo — account B-066465: 1 line in the file
Ogury — account 5bbe7af9-d51f-499e-a804-db54798d96f4: 10 lines in the file, 8 expected lines missing
Chartboost — partner (reseller) lines only: 400 lines in the file, 136 expected lines missing
Yandex Ads — partner (reseller) lines only: 141 lines in the file, 27 expected lines missing
VK Ads (myTarget) — partner (reseller) lines only: 98 lines in the file, 46 expected lines missing
BIGO Ads — partner (reseller) lines only: 400 lines in the file, 265 expected lines missing
Yango Ads — partner (reseller) lines only: 400 lines in the file, 400 expected lines missing
Bidease — partner (reseller) lines only: 40 lines in the file, 9 expected lines missing
Display.io — partner (reseller) lines only: 19 lines in the file, 13 expected lines missing
DSP Exchange — partner (reseller) lines only: 290 lines in the file, 271 expected lines missing
Madex — partner (reseller) lines only: 6 lines in the file, 12 expected lines missing
Monetrix — partner (reseller) lines only: 58 lines in the file, 35 expected lines missing
Prado — partner (reseller) lines only: 25 lines in the file, 2 expected lines missing
DSail — partner (reseller) lines only: 136 lines in the file, 29 expected lines missing

Invalid lines

singularads, 548745, RESELLER
ImproveDigital, 2343, RESELLER
pubmatic, 163963, RESELLER, 5d62403b186f2ace
lemmatechnologies, 1844, RESELLER, None
singularads, 225023, RESELLER

Corrected file: songpop2.com app-ads.txt (fixed).

FAQ

Does songpop2.com have an app-ads.txt?

Yes — https://songpop2.com/app-ads.txt has 8,630 lines (checked 20 Oct 2026).

Which ad networks does songpop2.com work with?

Its app-ads.txt lists Xandr (Microsoft), InMobi, Magnite (Rubicon), Mintegral, Smaato, Maticoo (zMaticoo), PubMatic, Unity Ads, Liftoff Monetize (Vungle), ironSource / LevelPlay, Google AdMob, Index Exchange and 29 more.

songpop2.com app-ads.txt check

Ad networks in songpop2.com/app-ads.txt

Invalid lines

FAQ

Does songpop2.com have an app-ads.txt?

Which ad networks does songpop2.com work with?

Is the app-ads.txt of songpop2.com correct?

Other checked domains

More