Focus. Then explain it
in one minute.
A 25-minute focus session followed by a 60-second voice explanation.
Inspired by the Feynman technique.
Discover what you truly understand.
Key Features
Focus Timer
A distraction-free 25-minute countdown to help you concentrate on a single topic.
Voice Explanation
Record a 60-second explanation of what you learned. Teaching reveals understanding.
Auto Transcription
On-device speech recognition creates a transcript of your explanation automatically.
Privacy First
All processing happens on your device. No accounts, no ads, no tracking.
iCloud Sync
Sessions and audio recordings sync seamlessly via your private iCloud account.
Session History
Review past sessions, re-read transcripts, and track your learning progress.
How to Use
Choose your topic
Enter the subject you want to study or review today.
Focus for 25 minutes
Study, read, or practice. The timer keeps you on track.
Explain in 60 seconds
Record a voice explanation as if teaching someone. Speak clearly and simply.
Review your transcript
Read the auto-generated transcript. Reflect on what you understood and what needs more work.
System Requirements
Platform: iOS 17.0 or later
Device: iPhone
Storage: iCloud account for sync
Permissions: Microphone, Speech Recognition, Notifications
Your Privacy Matters
All speech recognition and audio processing happens entirely on your device. Your recordings and transcripts are stored in your private iCloud account and are never sent to external servers.