Legal

Privacy Policy

Effective October 12, 2026. Applies to the ToneHub app for iPhone and this website.

ToneHub is a free guitar app: it matches the tone of a song to your own amp and helps you practice the song. This policy explains what information ToneHub uses, where it goes, and the choices you have. ToneHub requires an account, created with Sign in with Apple or Google, so your tones, gear and practice are saved and synced. We don't sell your data, show ads, or use third-party analytics or tracking.

By using ToneHub you agree to this policy. If you don't agree, please don't use the app.

Summary

• Your microphone and guitar sound stay on your iPhone. Audio is processed on the device, and song clips are kept in memory only.
• Video search uses YouTube API Services. Your search words go to our server and to YouTube. Videos play in YouTube's own embedded player.
• An account is required. You sign in with Apple or Google. Your account stores your saved tones, gear, recent songs and practice so they sync and are backed up. You can delete it in the app at any time.
• Song lookups send a song's title and artist to music services (Apple Music, MusicBrainz, GetSongBPM) to find details like key and tempo.

Microphone and audio

• ToneHub uses the microphone or your audio interface to play your guitar through its amp models, to tune, and to listen to a song you want to match.
• All of this audio is processed on your iPhone. Your guitar sound is never recorded to a server.
• When you match a song, the clip is kept in memory only, while its result is open, so you can compare it. It is deleted when you leave that screen and is never saved to a file or uploaded.
• To recognize a song, ToneHub uses Apple's ShazamKit, which sends Apple an audio signature (not a recording) of the clip. The recognized song is added to your recent songs, which are saved to your account. See Apple's Privacy Policy.

Apple Music and MusicKit

• If you allow it, ToneHub uses Apple's MusicKit to search the Apple Music catalog, check whether you can play full songs, and play songs inside the app. iOS asks for your permission first, and you can change it any time in Settings.
• These requests go directly from your device to Apple. ToneHub does not receive your Apple ID, your listening history or your library. Apple's handling is covered by Apple's Privacy Policy.

Your account

ToneHub requires an account. You create it at the end of setup with Sign in with Apple or Google. Your account is run on Supabase, our hosting provider, and only you can read or change the data in it.

• What we store: your sign-in identifier and the email address your sign-in provider shares (Sign in with Apple can share a private relay address), plus what you keep in the app: your saved tones (song, amp settings, pedals and notes like tuning), your gear (guitar, amp, pedals and whether you use an audio interface), your recent songs, the keys you set for songs, and your practice history (time practiced per song or activity per day, drill tempos and your practice plan).
• Why: to sync this data between your devices and back it up, so it isn't lost if you change or reset your iPhone. ToneHub keeps a copy on your device and works offline; changes sync when you're back online.
• Shared tone library: if you choose a handle and publish tones, we also store the handle and the tones, songs, sections, votes, reports and blocks you create. Others see your handle and the tones you publish as public or unlisted.
• Deleting your account: in the app, go to Settings › Account › Delete account. This deletes your account and everything stored with it on our server (your tones, gear, recent songs, practice history and profile) and removes it from your device. For Sign in with Apple, ToneHub also revokes its access at Apple. You can also email [email protected] to ask us to delete your account.
• Signing out removes your data from the device. It stays in your account until you delete it.

Song details and amp models

• MusicBrainz (musicbrainz.org): song searches send the search words to identify recordings.
• GetSongBPM (getsongbpm.com): a song's title and artist are sent to look up its key and tempo.
• TONE3000 (tone3000.com): if you connect a TONE3000 account under Play › More amps, you sign in on TONE3000's site, and ToneHub uses that sign-in only to list and download amp models you choose. Your TONE3000 password never passes through ToneHub. TONE3000's own privacy policy applies to that account.

These lookups don't include your name, email or account details.

Information our server handles to prevent abuse

To keep the shared YouTube search fair and within YouTube's limits, ToneHub's server counts requests per network address and per installation of the app. The app sends a random installation ID that isn't linked to you or your account. The server stores only a one-way hash of the network address and of that ID, keeps the counts for up to 2 days, and uses them for rate limiting only. Like most web services, our hosting provider may also keep standard request logs for a short time for security.

Data stored on your device

ToneHub keeps your settings and caches (such as search results) on your iPhone, along with a working copy of your saved tones, gear, recent songs and practice so the app works offline. Deleting the app removes the copy on your device; your account keeps the synced data until you delete your account.

Sharing

We share information only with the services described above, as needed to provide the feature you use, or when required by law. We do not sell or rent personal information, and we don't allow third parties to serve ads in ToneHub.

Children

ToneHub is not directed to children under 13, and we don't knowingly collect personal information from them.

Your choices

• Turn off microphone or Apple Music access at any time in the iOS Settings app.
• Delete your account and its data in the app (Settings › Account › Delete account), or by emailing us.
• Ask us to delete any data related to you by contacting us at the address below.

Changes

If this policy changes, we'll update the effective date above, and for significant changes we'll tell you in the app.

Contact

Questions or requests about privacy: [email protected]

See also: Terms of Use · YouTube Terms of Service · Google Privacy Policy