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.

rucksack.dev app-ads.txt check

rucksack.dev is missing out on higher CPMs: its app-ads.txt lists only 1,459 of the 2,965 lines its 13 ad networks expect (51% missing). Unlisted sellers can't be verified, so buyers bid less or skip the inventory.

Checked 20 Oct 2026. 1,208 lines, 1,195 unique records, 10 duplicates, 0 invalid lines, 29 ad networks detected.

Ad networks in rucksack.dev/app-ads.txt

InMobi — account 3d2911312f7a49769bf7854e40577f88: 113 lines in the file, 159 expected lines missing
Vungle — account 5e4271814e9d220017100ae5: 188 lines in the file, 172 expected lines missing
Chartboost — account 58f87571f6cd45499850a8af: 299 lines in the file, 400 expected lines missing
Smaato — accounts 1100044936, 1100057628, 1100057546: 3 lines in the file
AppLovin — account 1c39ab3ceaddb8638d66264e74c94bec: 18 lines in the file, 18 expected lines missing
Criteo — account B-059025: 1 line in the file
Google AdMob — accounts pub-8622186303703569, pub-7250949786873174: 2 lines in the file
Magnite (Rubicon) — account 19652: 1 line in the file
Unity Ads — account 2364782: 62 lines in the file, 99 expected lines missing
Mintegral — account 29083: 400 lines in the file, 197 expected lines missing
Maticoo (zMaticoo) — account 114490: 51 lines in the file, 394 expected lines missing
PubMatic — account 159856: 1 line in the file
OpenX — account 624222674: 1 line in the file
ironSource / LevelPlay — partner (reseller) lines only: 56 lines in the file, 69 expected lines missing
DT Exchange (Fyber) — partner (reseller) lines only: 129 lines in the file, 321 expected lines missing
Yandex Ads — partner (reseller) lines only: 48 lines in the file, 120 expected lines missing
VK Ads (myTarget) — partner (reseller) lines only: 72 lines in the file, 72 expected lines missing
BIGO Ads — partner (reseller) lines only: 162 lines in the file, 400 expected lines missing
Yango Ads — partner (reseller) lines only: 400 lines in the file, 400 expected lines missing
DSP Exchange — partner (reseller) lines only: 166 lines in the file, 395 expected lines missing
Monetrix — partner (reseller) lines only: 10 lines in the file, 83 expected lines missing
Prado — partner (reseller) lines only: 7 lines in the file, 20 expected lines missing
Verve (PubNative) — partner (reseller) lines only: 209 lines in the file, 400 expected lines missing
HyprMX — partner (reseller) lines only: 86 lines in the file, 283 expected lines missing
Start.io — partner (reseller) lines only: 18 lines in the file, 139 expected lines missing
Kidoz — partner (reseller) lines only: 5 lines in the file, 17 expected lines missing
CAS.ai — partner (reseller) lines only: 40 lines in the file, 125 expected lines missing
DSail — partner (reseller) lines only: 40 lines in the file, 125 expected lines missing
Bidmachine — partner (reseller) lines only: 254 lines in the file, 400 expected lines missing

Corrected file: rucksack.dev app-ads.txt (fixed).

FAQ

Does rucksack.dev have an app-ads.txt?

Yes — https://rucksack.dev/app-ads.txt has 1,208 lines (checked 20 Oct 2026).

Which ad networks does rucksack.dev work with?

Its app-ads.txt lists InMobi, Vungle, Chartboost, Smaato, AppLovin, Criteo, Google AdMob, Magnite (Rubicon), Unity Ads, Mintegral, Maticoo (zMaticoo), PubMatic and 17 more.

rucksack.dev app-ads.txt check

Ad networks in rucksack.dev/app-ads.txt

FAQ

Does rucksack.dev have an app-ads.txt?

Which ad networks does rucksack.dev work with?

Is the app-ads.txt of rucksack.dev correct?

Other checked domains

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