Our apps
Apps for Android
Free on Google Play, private by design, and focused on doing one thing well.
Digital Recorder MP3
Voice recorder for MP3, M4A, WAV and FLAC, with transcription and silence trimming.
- Record in MP3, M4A, WAV or FLAC, up to 320 kbps
- On-device speech-to-text in 15 languages
- Automatic Google Drive and Dropbox backup
Random Team Generator & Picker
Random or balanced teams for any game, with a waiting queue so everyone plays.
- Random or strength-balanced teams in one tap
- A bench that rotates players fairly
- Groups for every sport, game or class
Frequency Display
Measure the frequency of any sound in Hz, with its musical note and a live spectrum.
- Live pitch in Hz, readable from a distance
- Nearest note with cents sharp or flat
- Spectrum from 20 Hz to 20 kHz
Compare
At a glance
| Digital Recorder MP3 | Team Generator | Frequency Display | |
|---|---|---|---|
| Price | Free | Free | Free |
| Premium | One-time purchase | One-time purchase | One-time purchase |
| Free trial of Premium | 30 days, no card | 30 days | None |
| Premium adds | FLAC, 320 kbps, cloud backup, custom names and colors, no ads | Unlimited groups, no ads | No ads |
| Works offline | Yes | Yes | Yes |
| Account needed | No | No (only to start the trial) | No |
| Your data | Recordings stay on your device | Players and photos stay on your device | Sound is never recorded |