Privacy Policy
This page explains what Dopa Eigo collects and how it is used. The app is operated by Taichi Akimoto, an individual developer. Effective date: October 10, 2026.
What we collect
When you use the app, the following information is sent to the app server and stored there.
- An anonymous ID that the app creates automatically
- Your progress (the sections you finished, stars, personal bests, combos)
- The days you played
- The app version
- Information that arrives with communication (the type and version of your OS, your IP address)
The anonymous ID is not linked to your name or your email address.
What we do not collect
We do not collect the following information.
- Name or email address
- Your voice or microphone audio
- Location
- Contacts
- Photos
- Advertising ID
The app does not use the microphone. It does not record your voice and does not send it.
How we use it
We use this information to keep your progress. We do not use it for advertising.
Who stores it
Data storage is handled by Supabase (Tokyo).
Ads, payment, and analytics
The app has no ads and no payment. It does not use analytics tools.
How long we keep it
Data is kept until you delete it.
How to delete it
In the app, open the "コース" (Course) screen, tap "設定" (Settings), and choose "学習データを消す" (Delete study data). This deletes your data from both your device and the server.
If you cannot open the app, email us at italyitalienitalia@gmail.com. Because the data is anonymous, we will tell you what we need to confirm that the data is yours after you contact us.
Device backups
On Android, your progress may be included in your device backup.
Changes to this policy
If we change this policy, we will post the change on this page.