DOS is made and published by rongyiqiche Data and Technology Shanghai Co. Ltd. AppBrain is an independent app data site and isn't affiliated with rongyiqiche Data and Technology Shanghai Co. Ltd. The app name, icon, screenshots and description belong to rongyiqiche Data and Technology Shanghai Co. Ltd and are shown as published on the App Store.
About DOS
DOS was an education app developed by rongyiqiche Data and Technology Shanghai Co. Ltd. It was removed from the App Store Nov 13, 2025.
User Ratings
The app had no ratings.
App Information
DOS was free. The app size was 51.38 MB. The last available version was 2.2.2. The last update was on July 6, 2022.
Technical Requirements
The app had a content rating of Everyone. The app had been available on the App Store since March 2018.
Similar apps
Screenshots
Changelog of DOS
No changelog data
Developer information for rongyiqiche Data and Technology Shanghai Co. Ltd
Comments on DOS for iOS
We don't have enough comments to show example comments. Please check back later.