
Sustain: Practice Spotter
Monitor and log your practice.
About
This app uses AI to detect when a musician is practicing their instrument and provides feedback on their sessions. It rewards practice points and logs your progress to help you improve your habits and reach your musical goals.
What's New in Sustain
2.4.0+23
October 25, 2026
Improved UI and added key stats (day streak and day max practice time).
FAQ
What instruments can Sustain: Practice Spotter detect?
The app uses AI object detection and sound classification to identify instruments. While specific instruments are not listed, it is designed to work with a variety of musical instruments that can be seen and heard by the device's camera and microphone.
Does Sustain: Practice Spotter upload any of my practice data?
No, the app explicitly states that no visual or audio data is uploaded from your device. All processing and data logging occur locally on your phone or tablet.
How does Sustain: Practice Spotter measure practice progress?
Progress is measured by awarding practice points whenever the instrument is seen and heard by the AI. The app only counts progress while you are actively practicing.
What devices is Sustain: Practice Spotter available on?
Sustain: Practice Spotter is available for iPhone and iPad devices.
How often is Sustain: Practice Spotter updated?
The latest version is 2.4.0+23, and the app was last updated on October 25, 2026, indicating active development and regular updates.
What is the age rating for Sustain: Practice Spotter?
Sustain: Practice Spotter has an age rating of 4+, making it suitable for a wide range of users.
Does Sustain: Practice Spotter have ads?
No, Sustain: Practice Spotter does not contain advertisements.
What are the future plans for Sustain: Practice Spotter?
Future features planned include rewards for practice streaks and cumulative time, additional spotter faces, leaderboards, and practice quality feedback on intonation and tone.



