We will end support for apps below iOS/iPadOS 17.4 | Scheduled to take effect in April 2026

2026-02-25 07:38:27 UTC 2026-02-27 05:42:18 UTC

Thank you for your continued use of Teachme Biz.
We would like to inform you of changes to the recommended environment for iOS/iPadOS apps.

Overview

iOS/iPadOS versions below 17.4 will be removed from the recommended environment for the following apps.

  • Teachme Biz Mobile App
  • Teachme Biz Mobile Browser
  • Teachme Player

Change Date

Scheduled for April 2026
Further details regarding the exact timing will be announced in this article once they have been determined.

Details

Reason for Recommended Environment Change

Teachme Biz periodically reviews its recommended OS versions for the following purposes.

  • To provide customers with a more comfortable and secure experience
  • To deliver new features and improvements more quickly

Recommended versions are selected based on a comprehensive assessment of security, stability, and service usage conditions.

What We Ask of Our Customers

If you are using an affected OS, please update it as soon as possible. 

Frequently Asked Questions

Will the applicable apps be completely unusable on OS versions outside the recommended environment?

We do not intend to immediately and intentionally restrict access to all features.
However, some functional limitations may occur in releases after the recommended environment change.
In addition, inquiries regarding usage methods and issues will not be covered by support.

Will new installations and updates no longer be possible?

From April 2026 onward, installation and updates of the Teachme Biz Mobile App and Teachme Player will be restricted on affected OS versions.

Related Links

Teachme Biz Supported Devices and OS Recommended Environment List
https://help.teachme.jp/hc/en-us/articles/14572215297305

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