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Fretuno
Zielonka, Poland
What it is
Fretuno is an Android app that brings ear training, music theory and fretboard practice together for guitar, ukulele and bass. Its adaptive practice plan uses goals, earlier attempts, accuracy, estimated mastery and review timing to select exercises. The learning path spans notation, scales, chords, rhythm, harmony, analysis and improvisation. Lessons include eight interactive explorer types, such as note maps, interval and chord tools, harmony paths and a circle of fifths. A tuner supports all three instruments with 18 presets and automatic or manual modes. Progress views cover practice activity, accuracy, interval mastery and a note-by-note fretboard map. Core lessons, training and on-device pitch analysis can work offline, while purchases and subscription refreshes need a connection. The free plan includes unlimited five-question sessions, core intervals, the first five frets, two saved strings, all tuner presets and Foundations lessons. Pro adds longer sessions, all intervals, up to 24 frets, microphone practice and the complete curriculum; Google Play displays its local price and billing terms before purchase.
For and against
For
- Supports guitar, ukulele and bass.
- Practice adapts to goals and prior results.
- Core lessons and training can work offline.
- Free plan includes all tuner presets.
- Raw audio is not saved or uploaded.
Against
- Available on Android only.
- Free sessions use five questions.
- Local training data is removed if app storage is cleared.
The verdict
Fretuno combines structured music learning with instrument-specific tuning and progress views. The free plan covers core practice, while broader lessons and longer sessions require Pro.
Who it suits
Fretuno suits guitar, ukulele and bass players who want structured practice across ear training, theory and fretboard skills. Its free plan offers a starting point for learners, while Pro is for those seeking longer sessions and the complete curriculum.
Plans and prices
Free
Unlimited five-question sessions · core intervals · first five frets · two saved strings
Read 8 Oct 2026 · fretuno.com
Pro
Longer sessions · all intervals · up to 24 frets · microphone practice
Read 8 Oct 2026 · fretuno.com
On the record
- Adaptive practice
- Its adaptive plan uses goals, prior attempts, accuracy, estimated mastery and review timing to choose practice.fretuno.com · read 8 Oct 2026
- Curriculum
- The learning path covers notation, ear training, scales, chords, rhythm, harmony, analysis and improvisation.fretuno.com · read 8 Oct 2026
- Data storage
- Training history is stored locally and is not synchronized to Fretuno’s server; uninstalling or clearing app storage removes local data.fretuno.com · read 8 Oct 2026
- Interactive tools
- The lessons include eight types of explorers, including note maps, scales, intervals, chords, harmony paths and a circle of fifths.fretuno.com · read 8 Oct 2026
- Microphone privacy
- Short audio frames are analysed in memory on the device and discarded; raw audio is not saved or uploaded.fretuno.com · read 8 Oct 2026
- Offline use
- Core lessons, training and on-device pitch analysis can work offline; purchases, restore and subscription refresh require a connection.fretuno.com · read 8 Oct 2026
- Product
- Fretuno combines ear training, practical music theory and fretboard practice for guitar, ukulele and bass players.fretuno.com · read 8 Oct 2026
- Progress tracking
- Progress views include practice activity, accuracy, interval mastery and a note-by-note fretboard map.fretuno.com · read 8 Oct 2026
- Security
- The maker says traffic uses HTTPS, server tokens are stored as hashes, endpoints are rate-limited and database ports are not public.fretuno.com · read 8 Oct 2026
- Subscription
- Pro subscriptions are purchased and renewed through Google Play, which displays localized price, billing period, trial eligibility and renewal terms before confirmation.fretuno.com · read 8 Oct 2026
- Support
- The maker provides support and privacy contact by email at [email protected].fretuno.com · read 8 Oct 2026
- Tuner
- The tuner supports guitar, ukulele and bass, with 18 tuning presets and automatic or manual modes.fretuno.com · read 8 Oct 2026
