Question 1

Why can't I see SMS or Calls in the Google Play version?

Accepted Answer

Google Play policy prohibits third-party apps from using SMS and Call Log permissions. Download from F-Droid or GitHub for the full-featured version.

Question 2

Why does my browser show "Connection not private"?

Accepted Answer

PlainApp uses a self-signed TLS certificate for encryption. The warning is expected — click Advanced → Proceed to continue.

Question 3

Is PlainApp really free?

Accepted Answer

Yes. PlainApp is 100% free with all features included. No premium tiers, no ads, no in-app purchases. Open source under AGPL 3.0.