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.

rovio.com app-ads.txt check

rovio.com is missing out on higher CPMs: its app-ads.txt has 10 invalid lines and lists only 3,874 of the 5,745 lines its 24 ad networks expect (33% missing). Unlisted sellers can't be verified, so buyers bid less or skip the inventory.

Checked 19 Oct 2026. 4,001 lines, 3,357 unique records, 633 duplicates, 10 invalid lines, 37 ad networks detected.

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

AppLovin — accounts b66a642f96490eb388ade8bc310fa0a1, 04d1a0dfefacde9cdd9ae3102073d7f4: 37 lines in the file
Xandr (Microsoft) — account 8279: 1 line in the file
Amazon Publisher Services — account e3b7f953-4133-4c32-b02a-d33b925d08ca: 1 line in the file
BIGO Ads — account 2724298: 393 lines in the file, 400 expected lines missing
Chartboost — account 60b02e73c867a807ed185fc0: 400 lines in the file, 4 expected lines missing
Meta Audience Network — account 10153037670464928: 1 line in the file
DT Exchange (Fyber) — account 230033: 400 lines in the file
Google AdMob — accounts pub-2002541360512935, pub-7452201096415972: 2 lines in the file
Index Exchange — accounts 198531, 200201: 2 lines in the file
InMobi — account 77bb4fe4857d426db864fbf8d430b995: 146 lines in the file, 126 expected lines missing
ironSource / LevelPlay — account 111955: 126 lines in the file
Kidoz — account 12966: 16 lines in the file, 7 expected lines missing
Sovrn — account 491737: 1 line in the file
Mintegral — account 28714: 400 lines in the file, 150 expected lines missing
MobileFuse — account 3788: 1 line in the file
PubMatic — accounts 160419, 162183, 165874 and 4 more: 7 lines in the file
Verve (PubNative) — account 1009173: 400 lines in the file, 400 expected lines missing
Magnite (Rubicon) — accounts 13450, 14554: 2 lines in the file
Smaato — accounts 1100053413, 1100053442, 1100057628: 3 lines in the file
TripleLift — accounts 12240, 8446: 2 lines in the file
Unity Ads — accounts 1048191, 14412: 133 lines in the file, 29 expected lines missing
Liftoff Monetize (Vungle) — account 561e8d946b8d90f61a002087: 366 lines in the file, 25 expected lines missing
Maticoo (zMaticoo) — account 115421: 137 lines in the file, 308 expected lines missing
OpenX — account 540368327: 1 line in the file
Yandex Ads — partner (reseller) lines only: 96 lines in the file, 72 expected lines missing
VK Ads (myTarget) — partner (reseller) lines only: 118 lines in the file, 26 expected lines missing
Yango Ads — partner (reseller) lines only: 400 lines in the file, 400 expected lines missing
Bidease — partner (reseller) lines only: 32 lines in the file, 17 expected lines missing
BlueSea — partner (reseller) lines only: 13 lines in the file, 24 expected lines missing
DSP Exchange — partner (reseller) lines only: 292 lines in the file, 269 expected lines missing
Monetrix — partner (reseller) lines only: 27 lines in the file, 66 expected lines missing
Prado — partner (reseller) lines only: 19 lines in the file, 8 expected lines missing
HyprMX — partner (reseller) lines only: 193 lines in the file, 176 expected lines missing
Start.io — partner (reseller) lines only: 43 lines in the file, 114 expected lines missing
CAS.ai — partner (reseller) lines only: 84 lines in the file, 81 expected lines missing
DSail — partner (reseller) lines only: 84 lines in the file, 81 expected lines missing
Bidmachine — partner (reseller) lines only: 400 lines in the file, 400 expected lines missing

Invalid lines

fromthetop.io, RESELLER, 13754
improvedigital, 2343, RESELLER
pubmatic.com, 156520, RESELLER, 5d62403b186f2ace (key account for SEA)
pubmatic.com, 160456, RESELLER, 5d62403b186f2ace (key account for India)
singularads, 548745, RESELLER
smartadserver.com, <4199>-OB, RESELLER, 060d053dcf45cbf3
smartadserver.com, <4199>, RESELLER, 060d053dcf45cbf3
smartclip, 10457, DIRECT
smartclip, 7938, DIRECT
smartclip, 9674, DIRECT

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

FAQ

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

Yes — https://rovio.com/app-ads.txt has 4,001 lines (checked 19 Oct 2026).

Which ad networks does rovio.com work with?

Its app-ads.txt lists AppLovin, Xandr (Microsoft), Amazon Publisher Services, BIGO Ads, Chartboost, Meta Audience Network, DT Exchange (Fyber), Google AdMob, Index Exchange, InMobi, ironSource / LevelPlay, Kidoz and 25 more.

rovio.com app-ads.txt check

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

Invalid lines

FAQ

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

Which ad networks does rovio.com work with?

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

Other checked domains

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