About Practice Proof: Practice Log

Practice Proof answers “did you practice?” without an argument. Start a session and put the phone near the instrument. It listens, and counts only the minutes it hears an instrument or singing. Breaths, page turns and short rests count; a long break does not. At the end it shows both numbers: the minutes heard and the time spent at the instrument.

It is made for the parents of music students. Each player gets a daily goal, set to whatever the teacher asked for, and the week is drawn as notes on a staff: a filled note for each day the goal was met. The teacher’s assignments (pieces, scales, études) carry a weekly target, and each session is tagged with what was practiced. A practice sheet for the teacher comes out as a PDF or a spreadsheet, for a week, four weeks or a year, with a line for a parent’s signature. Several players can share one phone.

The sound never leaves the phone. Each second of it is checked on the device, by Apple’s own sound classifier on an iPhone and by a model that ships inside the app on Android, and then thrown away. Nothing is recorded unless a parent turns recording on for a player, and recordings stay on the phone and are removed after 30 days unless you keep them. There is no account. One limit, stated plainly: music from a speaker sounds like practice too. The app hears that music is playing, not who is playing it.

It pays you nothing: no coins, no balance and no cash-out, which is why it sits apart from the reward apps. It is free, with nothing to buy and one banner on the home screen, never on the listening screen. Every ad request is marked as directed at children, so it is not personalized. What the app does send — the ad, anonymous analytics and crash reports — is set out in its own privacy policy.

It is not in either store yet. It is built and in testing on both, and this page will carry the download buttons the day each listing goes live, not before. There is no browser version, because the whole app is a microphone and a page cannot stand in for one.

Screenshots

Home: 9 minutes heard today against a 20-minute goal, and the week drawn as notes on a staff
Home: 9 minutes heard today against a 20-minute goal, and the week drawn as notes on a staff
A session running: 7:11 heard out of 8:02 at the instrument
A session running: 7:11 heard out of 8:02 at the instrument
The finish screen: 11 minutes heard out of 13, and the day's goal met
The finish screen: 11 minutes heard out of 13, and the day's goal met
The practice sheet for the teacher, as a PDF or a spreadsheet
The practice sheet for the teacher, as a PDF or a spreadsheet

How to use it in the moment

  1. Add a player and set a daily goal in minutes.
  2. Tap Start practice and put the phone near the instrument.
  3. Play. The dial counts only the time it hears music, and pauses when the phone leaves the screen.
  4. Tap Finish, tag what was practiced and add a note if you like.
  5. At the end of the week, share the practice sheet with the teacher.

Features

  • Counts only the minutes it hears an instrument or singing
  • Minutes heard and time spent, side by side, with a session timeline
  • A daily goal per player, and the week drawn as notes on a staff
  • The teacher’s assignments with a weekly target
  • A streak, and stickers earned by practicing
  • Several players on one phone
  • Sessions added by hand are marked as added by hand
  • A practice sheet as a PDF or a spreadsheet, with a signature line
  • Optional recording per player, kept on the phone
  • One reminder a day, skipped once everyone’s goal is met
  • Sound checked on the phone and thrown away; no account

Frequently asked questions

When is it coming out?

It's coming soon to the App Store and Google Play, for iPhone, iPad and Android. It's in testing on both now. This page will carry the download buttons the day each listing goes live, and not before.

Does it record my child?

Not unless you turn recording on for that player. Otherwise each second of sound is checked on the phone and thrown away, and only the answer to one question is kept: was music heard? Recordings, when they're on, stay on the phone and are deleted after 30 days unless you keep them. More in the privacy policy.

Can it tell who is playing?

No. Music from a speaker counts too, because the classifier hears that music is playing, not who is playing it. The app says so on onboarding rather than pretend otherwise.

Does this app pay me anything?

No. It has no coins, no balance and no cash-out. The apps we publish that pay are on our apps page.

Is it free?

Yes, with nothing to buy. There's one banner on the home screen and never one on the listening screen, and the ads are marked as directed at children, so they're not personalized.

Can I try it in my browser?

No. The whole app is the microphone listening at the instrument, and a browser page can't stand in for that honestly.

Everything else we publish

Questions about Practice Proof: Practice Log?

Teach music, or have a student who practices with it? Tell us what the practice sheet should show.

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