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.

crootosoftware.com app-ads.txt check

crootosoftware.com is missing out on higher CPMs: its app-ads.txt has 2 invalid lines. Buyers' crawlers skip invalid lines, so those sellers can't be verified.

Checked 19 Oct 2026. 8,208 lines, 4,561 unique records, 3,544 duplicates, 2 invalid lines, 29 ad networks detected.

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

AppLovin — account 40eb186cfe8074d54af2fec0c0895ccc: 36 lines in the file
Google AdMob — account pub-4128189146605914: 1 line in the file
Unity Ads — account 4479027: 159 lines in the file, 2 expected lines missing
Liftoff Monetize (Vungle) — account 67f52c02c1727d00118dc2eb: 391 lines in the file
Chartboost — account 698093ae3c5f0ef7932139b5: 400 lines in the file, 1 expected line missing
DT Exchange (Fyber) — account 233642: 400 lines in the file, 12 expected lines missing
InMobi — account 863063838fd744f5984d947b7cf11d0f: 260 lines in the file, 12 expected lines missing
Mintegral — account 54068: 400 lines in the file
TikTok Ad Network (Pangle) — account 5029772: 1 line in the file
Bidmachine — account 1582: 400 lines in the file, 53 expected lines missing
BIGO Ads — accounts 89ji3z059r, 23167881, 1112518: 400 lines in the file, 3 expected lines missing
ironSource / LevelPlay — partner (reseller) lines only: 89 lines in the file, 36 expected lines missing
Yandex Ads — partner (reseller) lines only: 149 lines in the file, 19 expected lines missing
VK Ads (myTarget) — partner (reseller) lines only: 92 lines in the file, 52 expected lines missing
Yango Ads — partner (reseller) lines only: 400 lines in the file, 400 expected lines missing
Bidease — partner (reseller) lines only: 38 lines in the file, 11 expected lines missing
BlueSea — partner (reseller) lines only: 22 lines in the file, 15 expected lines missing
Display.io — partner (reseller) lines only: 11 lines in the file, 21 expected lines missing
DSP Exchange — partner (reseller) lines only: 258 lines in the file, 303 expected lines missing
Madex — partner (reseller) lines only: 4 lines in the file, 14 expected lines missing
Maticoo (zMaticoo) — partner (reseller) lines only: 279 lines in the file, 165 expected lines missing
Monetrix — partner (reseller) lines only: 63 lines in the file, 30 expected lines missing
Prado — partner (reseller) lines only: 18 lines in the file, 9 expected lines missing
Verve (PubNative) — partner (reseller) lines only: 400 lines in the file, 400 expected lines missing
HyprMX — partner (reseller) lines only: 203 lines in the file, 166 expected lines missing
Start.io — partner (reseller) lines only: 124 lines in the file, 33 expected lines missing
Kidoz — partner (reseller) lines only: 14 lines in the file, 8 expected lines missing
CAS.ai — partner (reseller) lines only: 140 lines in the file, 25 expected lines missing
DSail — partner (reseller) lines only: 140 lines in the file, 25 expected lines missing

Invalid lines

b42d42eb28400efa,targetbetter.com, 6451, RESELLER
b42d42eb28400efa,targetbetter.com, 6451, RESELLER

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

FAQ

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

Yes — https://crootosoftware.com/app-ads.txt has 8,208 lines (checked 19 Oct 2026).

Which ad networks does crootosoftware.com work with?

Its app-ads.txt lists AppLovin, Google AdMob, Unity Ads, Liftoff Monetize (Vungle), Chartboost, DT Exchange (Fyber), InMobi, Mintegral, TikTok Ad Network (Pangle), Bidmachine, BIGO Ads, ironSource / LevelPlay and 17 more.

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