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.

ultimatevoiceassistant.com app-ads.txt check

ultimatevoiceassistant.com achieves the best ad optimization: its app-ads.txt has no errors and matches what its 3 ad networks expect (100% of 3 lines).

Checked 19 Oct 2026. 28 lines, 23 unique records, 0 duplicates, 0 invalid lines, 3 ad networks detected.

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

Google AdMob — account pub-5149759708329031: 1 line in the file
Meta Audience Network — account 1560834417325426: 1 line in the file
Amazon Publisher Services — account e94051f0-1f95-490c-a207-2c74b6bd2b99: 1 line in the file

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

FAQ

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

Yes — https://ultimatevoiceassistant.com/app-ads.txt has 28 lines (checked 19 Oct 2026).

Which ad networks does ultimatevoiceassistant.com work with?

Its app-ads.txt lists Google AdMob, Meta Audience Network, Amazon Publisher Services.

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