Actually there is NO record time-limitation in Recorder Plus now.
Even in the free version of Recorder Plus, the record time-length is only up to free disk space and battery power.
This issue may caused by three reasons:
1. A bug in old verison of Recorder Plus.
Uninstall the app and reinstall the latest app from App store on iPhone/iPad, then Recorder Plus will work fine.
Remember to backup all recordings before uninstalling. Reference: Export recordings with WiFi
2. Recorder Plus is not installed from Apple’s official App Store.
Recorder Plus can only be installed from Apple’s official App Store.
If Recorder Plus is installed from any other piracy site, the integrity check will fail and it can only record 5 minutes.
Uninstall the app and reinstall the latest app from App store on iPhone/iPad, then Recorder Plus will work fine.
Remember to backup all recordings before uninstalling. Reference: Export recordings with WiFi
3. Account is banned due to share account to public domain
Share apps with family is ok.
But share app to public domain may cause the account to be banned.
Official link to Recorder Plus on App Store:
Reference:
Differences between four versions of Recorder Plus