Fretster Privacy Policy

Last updated: November 14, 2026

Fretster is a guitar fretboard game made by Heartwood (an individual developer). This policy explains what the app and this website collect. The short version: your game progress stays on your phone, the app only sends an anonymous report when it crashes or hits an error, and this website only keeps the email address you give us to join the waitlist.

What stays on your device

Your progress, scores, streaks, stats, settings and stage name are saved in a file on your iPhone. They are never uploaded to us. Deleting the app deletes them.

What the app collects: crash and error reports

When Fretster crashes or runs into an error, it sends a diagnostic report to Sentry, the service we use to find and fix bugs. A report contains:

• what went wrong and where in the app's code (a stack trace)
• the app version, iOS version and iPhone model
• a short trail of recent app events, such as which screen was open

A report does not contain your name, email, Apple ID, stage name, progress file, location, contacts, photos, screenshots, or any advertising identifier. File paths are shortened so they don't reveal folder names. Reports aren't linked to you, aren't used for advertising or tracking, and aren't sold or shared with anyone else. Sentry deletes them automatically after at most 90 days.

The waitlist on this website

If you join the waitlist, we store your email address, your answer to "Where did you hear about Fretster?", the referral tag on the link you arrived by (for example ?ref=tiktok), if there was one, and the time you signed up. They're kept in a database hosted by Cloudflare, which also runs this website.

We use your email only to tell you about Fretster's launch and beta. We use the "where did you hear" answers, counted together, to learn which places people find Fretster. We don't sell or share your email, and we don't add it to any other list.

To be removed, reply to any email we send or write to the address below, and we'll delete your signup. We delete the whole waitlist within 90 days of Fretster's App Store launch.

This website sets no cookies and has no advertising or tracking scripts.

Purchases

In-app purchases are handled entirely by Apple. We never see your payment details. The app only learns whether your Apple ID holds the All-Access Pass (a subscription or the lifetime unlock), so it can unlock it.

Children

Fretster doesn't knowingly collect personal information from anyone, including children under 13. The waitlist is not meant for children under 13.

Changes

If this policy changes, the new version will be posted here with a new date. If the app ever starts collecting something new, the policy will be updated before that version is released.

Contact

Questions about privacy: hello@heartwoodsoftware.com