Learn · How to fix
app-ads.txt with an invalid HTTPS certificate or HTTP only
Updated Oct 7, 2026 · data from 12 App Store genres · top free + top grossing charts · US · iOS + Android
Short answerThe file can be read, but the HTTPS certificate on the developer domain is invalid (for example expired or issued for another name), or the site has no HTTPS. Strict crawlers may refuse it.
16 of 883
ad-monetized top US apps in this index have this finding (2%)
Why it matters
Buyers' crawlers that verify certificates can treat the app as having no app-ads.txt.
How to fix it
- Renew or fix the certificate on the developer domain, or enable HTTPS.
Apps with this finding
Each report lists the exact lines involved.
- EseeCloud(IP Pro, VR Cam) · Guangdong Juan Intelligent Technology Joint Stock Co., Ltd
- Blood Pressure App-BP Tracker · AKRURA PTE. LTD
- Jewel Coloring · Ta Ta Game Technology Limited
- TalkU: Unlimited Calls + Texts · Newtone Communications Inc
- Kemo · NumLake Tech Limited
- The Weather Forecast App · Position Mobile Ltd SEZC
- Perfect Piano - Learn to Play · Revontulet Soft Inc.
- Jam Bus:Sandfall · Nova Games Technology Limited
- NOAA Radar & Weather Forecast · Position Mobile Ltd SEZC
- Gossip Harbor®: Merge & Story · Microfun Limited
- Flambé®: Merge and Cook · Microfun Limited
- Seaside Escape®: Merge & Story · Microfun Limited
Related
Based on the IAB Tech Lab ads.txt/app-ads.txt and sellers.json specifications. Numbers are automated observations of public files on the date above.