Privacy Policy
Controller
Horváth Máté, sole proprietor (egyéni vállalkozó, registration no. 62941576), Ferenciek tere 2. fsz., 1053 Budapest, Hungary, support@mattronome.com.
What stays on your device
Your patterns, feels, stickings, sequences and settings are stored only in your browser, on your device. We never receive them.
What we store and why
| Data | Purpose | Legal basis | Kept |
|---|---|---|---|
| Email address, sign-in times | Your account and sign-in | Contract | Until you delete your account |
| Trial dates, purchase date | Knowing whether the full version is unlocked | Contract | Until you delete your account |
| Purchase records | Invoicing and tax | Legal obligation | 8 years under Hungarian accounting law |
Who processes it
- Supabase — account and plan database, region EU (Ireland).
- Stripe — payments and card details (we never see your card). Stripe acts as an independent controller for payment data; see stripe.com/privacy.
- Google — only if you choose “Continue with Google”: your name and email are shared with us for sign-in.
- Netlify — hosting of the site and the app; processes your IP address to deliver them.
- Resend — sends the sign-in emails; processes your email address.
- Billingo — issues invoices for purchases; processes your name, email and billing details.
- Google Fonts and jsDelivr — fonts and the sign-in library are loaded from these services, which see your IP address.
Cookies and tracking
We use no advertising or tracking cookies. Your browser's local storage keeps your sign-in session and app data.
Your rights
You can ask for access to, correction or deletion of your data, or a copy of it, by writing to support@mattronome.com. You can also complain to the Hungarian data protection authority (NAIH, naih.hu) or the authority in your country.