Privacy Policy

MIGAMO.DIGITAL · Polymachine, our plugins and migamo.digital · Effective 1 November 2026

This policy explains what information MIGAMO.DIGITAL ("we", "us") collects when you use the Polymachine app for iPhone and iPad (including its Audio Unit plugin), our desktop audio plugins, and the website migamo.digital, and what we do with it. The short version: your music stays on your device, we don't sell your data, and the only data we collect is what we need to run the features you choose to use.

1. Polymachine (iPhone and iPad)

Your music and projects

Your projects, presets, samples and recordings are stored on your device. We do not upload them. They only leave your device if you export or share them yourself, or if you choose to send them to other players in a Multiplayer session (see below).

Anonymous usage statistics (you can turn them off)

Polymachine shares anonymous usage statistics to help us improve the app. If you are in the European Union, the European Economic Area, the United Kingdom or Switzerland, this stays off until you agree when asked. Everywhere else it is on by default. Wherever you are, you can turn it off at any time in Options ▸ Feedback ▸ Share Usage; when it is off, nothing is recorded. When it is on, we receive: which pages you open and for how long, which buttons you use, session length, app version, your device type and iOS version, and a random install identifier created by the app. It does not include your name, email, your music, the notes or chords you play, or your recordings. It is not linked to your identity and is not used for advertising or tracking across other apps and websites.

Feedback you send (IDEAS)

If you send us an idea or feedback through the in-app IDEAS form, we receive the text you type, the app version and device type.

Multiplayer (optional)

Multiplayer is the only part of Polymachine that needs an account. You sign in with Sign in with Apple; we receive the identifier Apple provides for our app (and your email only if you choose to share it with us through Apple). We store your handle, display name and avatar so other players can see who you are. While you are in a Session, the changes you make to the shared song (notes, patterns, settings, tempo) are relayed through our server to the other players in that Session, and any samples you choose to send are delivered to them. Audio from your device is not streamed. Messages you post in the global chat are visible to other players, and reports and blocks are kept so we can moderate the service. Multiplayer is intended for people aged 13 and over.

Purchases

In-app purchases (such as Polymachine PRO) are handled by Apple. We do not receive your payment details; Apple only tells the app what you own.

Microphone, camera and live streaming

Polymachine uses the microphone only when you record or monitor audio, and the camera only when you turn it on for a live stream. Recordings stay on your device. If you use LIVE streaming, the stream goes directly from your device to the service you choose (for example YouTube, Facebook, Instagram or Twitch) under that service's own privacy policy; your stream key is stored in your device's Keychain and is never sent to us.

The in-app browser

Websites you open in Polymachine's built-in browser are run by their owners, under their own privacy policies.

Advertising measurement

Polymachine does not use the advertising identifier (IDFA) and does not track you across other companies' apps and websites. To measure our own ads we may use Apple's SKAdNetwork, a privacy-preserving system in which Apple tells advertisers, in aggregate, how many installs an ad campaign produced, without identifying you.

2. Desktop plugins

When you activate a plugin licence, the plugin sends your licence key, the product name and a one-way hashed identifier of your computer to our licence server, so the licence can be tied to your machine. We do not receive the contents of your projects or audio. Purchases on our website are processed by Stripe; we do not see or store your full card number.

3. migamo.digital

4. Who we share data with

We do not sell or rent your personal information. We share data only with service providers that run parts of our service for us, and only as needed: Apple (sign-in, purchases, ad measurement), Cloudflare (Multiplayer, feedback and usage servers), Stripe (payments), our database and hosting providers (licences and the website), and Meta, Google and TikTok (ad measurement on our website). We may also disclose information if the law requires it.

5. How long we keep data

We keep data only as long as we need it for the purpose it was collected: usage statistics in aggregate form, Multiplayer profiles until you ask us to delete them, licence and purchase records as long as you own the licence and as required for tax and accounting, and newsletter emails until you unsubscribe.

6. Your choices and rights

You can turn usage statistics off in the app at any time, stop using Multiplayer, and unsubscribe from emails. You can ask us to access, correct or delete the personal information we hold about you, including your Multiplayer profile (see How to delete your data), by emailing info@mikegao.com; we respond within 30 days. Depending on where you live (for example under the GDPR or the CCPA) you may have additional rights, and you can complain to your local data protection authority.

7. How to delete your data

You can delete your data yourself, or ask us to do it. Here is how for each product.

Polymachine app

Desktop plugins

migamo.digital

Ask us to delete it

Email info@mikegao.com with the subject "Data deletion request", saying which product and, if you can, your Multiplayer handle, your licence key or the email address you used. We confirm and complete the deletion within 30 days, and tell you if anything has to be kept by law. If you came from Facebook or Instagram (for example through one of our ads), the same address works for deleting any data connected to that.

8. Children

Our products are not directed at children under 13, and we do not knowingly collect personal information from children under 13. If you believe a child has given us personal information, contact us and we will delete it.

9. Changes to this policy

If we change this policy, we will post the new version on this page and update the date at the top. Significant changes will also be announced in the app or by email where appropriate.

10. Contact

MIGAMO.DIGITAL (Mike Gao) · info@mikegao.com · migamo.digital


Product names and brands mentioned in our products are trademarks of their respective owners, used only to describe what is emulated. We are not affiliated with or endorsed by them.