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.

tutti.ch app-ads.txt check

tutti.ch achieves the best ad optimization: its app-ads.txt has no errors and matches what its 8 ad networks expect (100% of 32 lines).

Checked 20 Oct 2026. 561 lines, 459 unique records, 1 duplicates, 0 invalid lines, 27 ad networks detected.

Ad networks in tutti.ch/app-ads.txt

Google AdMob — accounts pub-3550248564432988, pub-3057818873023700, pub-6135204273080594 and 4 more: 7 lines in the file
Xandr (Microsoft) — accounts 3646, 3741, 3927 and 6 more: 9 lines in the file
Index Exchange — accounts 191349, 192111, 202494 and 3 more: 6 lines in the file
OpenX — accounts 540063070, 540926753, 540926760 and 2 more: 5 lines in the file
PubMatic — accounts 67137, 159884, 157577 and 2 more: 5 lines in the file
Magnite (Rubicon) — accounts 22424, 22426, 25398 and 1 more: 4 lines in the file
Criteo — account B-062320: 1 line in the file
Sovrn — account 265483: 1 line in the file
Mintegral — partner (reseller) lines only: 72 lines in the file, 400 expected lines missing
Unity Ads — partner (reseller) lines only: 10 lines in the file, 150 expected lines missing
ironSource / LevelPlay — partner (reseller) lines only: 12 lines in the file, 113 expected lines missing
Liftoff Monetize (Vungle) — partner (reseller) lines only: 48 lines in the file, 342 expected lines missing
Chartboost — partner (reseller) lines only: 99 lines in the file, 400 expected lines missing
InMobi — partner (reseller) lines only: 23 lines in the file, 248 expected lines missing
DT Exchange (Fyber) — partner (reseller) lines only: 38 lines in the file, 400 expected lines missing
Yandex Ads — partner (reseller) lines only: 32 lines in the file, 136 expected lines missing
VK Ads (myTarget) — partner (reseller) lines only: 25 lines in the file, 119 expected lines missing
BIGO Ads — partner (reseller) lines only: 118 lines in the file, 400 expected lines missing
Yango Ads — partner (reseller) lines only: 180 lines in the file, 400 expected lines missing
DSP Exchange — partner (reseller) lines only: 72 lines in the file, 400 expected lines missing
Maticoo (zMaticoo) — partner (reseller) lines only: 40 lines in the file, 400 expected lines missing
Verve (PubNative) — partner (reseller) lines only: 74 lines in the file, 400 expected lines missing
HyprMX — partner (reseller) lines only: 14 lines in the file, 355 expected lines missing
Start.io — partner (reseller) lines only: 22 lines in the file, 135 expected lines missing
CAS.ai — partner (reseller) lines only: 29 lines in the file, 136 expected lines missing
DSail — partner (reseller) lines only: 29 lines in the file, 136 expected lines missing
Bidmachine — partner (reseller) lines only: 126 lines in the file, 400 expected lines missing

Corrected file: tutti.ch app-ads.txt (fixed).

FAQ

Does tutti.ch have an app-ads.txt?

Yes — https://tutti.ch/app-ads.txt has 561 lines (checked 20 Oct 2026).

Which ad networks does tutti.ch work with?

Its app-ads.txt lists Google AdMob, Xandr (Microsoft), Index Exchange, OpenX, PubMatic, Magnite (Rubicon), Criteo, Sovrn, Mintegral, Unity Ads, ironSource / LevelPlay, Liftoff Monetize (Vungle) and 15 more.

Is the app-ads.txt of tutti.ch correct?