Comparisons
BlackBox vs the rest.
BlackBox is built for one job: recording in the background all day or on a schedule, in hourly files, transcribed on your phone. Plenty of apps do other jobs better. Each page below compares 17 features from the other app's own listing, summarises what its users complain about, and says plainly when to pick it instead.
Built-in recorders
The recorder that came with your phone.
Recorder apps
Dedicated recording apps from the App Store and Google Play.
AI transcription and note-takers
Cloud transcription and AI note-taking services.
Buying guides
Several apps or devices at once, compared from their own listings.
Recording that runs itself. Get BlackBox.
All-day and scheduled background recording, hourly files and on-device transcription — no account, audio stays on your phone. iPhone and Android.