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.

coolmobilesolution.com app-ads.txt check

coolmobilesolution.com is missing out on higher CPMs: its app-ads.txt has 1 invalid line. Buyers' crawlers skip invalid lines, so those sellers can't be verified.

Checked 20 Oct 2026. 57 lines, 56 unique records, 0 duplicates, 1 invalid lines, 9 ad networks detected.

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

Google AdMob — account pub-8444112780072836: 1 line in the file
Index Exchange — account 199159: 1 line in the file
OpenX — account 557087220: 1 line in the file
PubMatic — account 159856: 1 line in the file
Mintegral — partner (reseller) lines only: 16 lines in the file, 400 expected lines missing
Chartboost — partner (reseller) lines only: 15 lines in the file, 400 expected lines missing
Yango Ads — partner (reseller) lines only: 28 lines in the file, 400 expected lines missing
DSP Exchange — partner (reseller) lines only: 13 lines in the file, 400 expected lines missing
Bidmachine — partner (reseller) lines only: 14 lines in the file, 400 expected lines missing

Invalid lines

83e75a7ae333ca9d

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

FAQ

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

Yes — https://coolmobilesolution.com/app-ads.txt has 57 lines (checked 20 Oct 2026).

Which ad networks does coolmobilesolution.com work with?

Its app-ads.txt lists Google AdMob, Index Exchange, OpenX, PubMatic, Mintegral, Chartboost, Yango Ads, DSP Exchange, Bidmachine.

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