Manabii iconManabii
JP/EN

Manabii Support

Last updated: 2025-10-11

This page provides answers to common questions, troubleshooting tips, contact information, and instructions for requesting data deletion or export. It also serves as the public “Support URL” for the App Store.

Contact

  • Email: support@aisara.jp
  • Support hours: Weekdays 10:00–17:00 (JST)
  • Supported languages: Japanese / English

We aim to reply within 48 hours (excluding busy periods).

App Information

  • App name: Manabii — English–Japanese Exposure Balance
  • Supported OS: iOS 15 or later (subject to change)
  • To check your app version: see the “Version History” on the App Store or “Settings” within the app.

Frequently Asked Questions (FAQ)

I can’t sign in (including anonymous sign-in)
  1. Check your internet connection (Wi-Fi / mobile) and try again.
  2. Disable Airplane Mode or VPN, then retry.
  3. Close and restart the app. If the issue persists, reinstall it.

If the problem continues, please contact us with your device model, iOS version, and app version.

The English–Japanese slider doesn’t respond or save

Please ensure you’re using the latest app version, then restart the app. If the issue continues, include the reproduction steps (which screen and actions) when contacting us.

Where is my data stored?

Your records are transmitted and stored securely on our servers via encrypted communication. For details, see the Privacy Policy.

Troubleshooting

  • Try restarting your device, restarting the app, or switching networks (Wi-Fi ⇄ 4G/5G).
  • On iOS, go to Settings → Manabii → Mobile Data, and make sure it’s enabled.
  • If the issue persists, please provide the reproduction steps, date/time of occurrence, and a screenshot if possible.

Data Deletion / Export

To request deletion or export of your data, please use the template below. For identity verification, we may ask you to provide minimal additional information.

Email address:

support@aisara.jp

Subject:

[Manabii] Data Deletion (or Export) Request

Message body (required info):

  • Your email address (if registered)
  • Device name / iOS version / App version
  • Scope of data (All / Date range / Specific records)
  • Other requests

Unless required by law, we will respond promptly and within a reasonable time.