1.24
December 5, 2023
bug fix
1.23
May 30, 2023
bug fix
1.22
May 27, 2023
bug fix
1.21
March 9, 2023
bug fix
1.20
January 1, 2023
bug fix
1.19
December 20, 2022
bug fix
1.18
November 18, 2021
bug fix
1.17
September 1, 2021
bug fix
1.16
June 18, 2021
bug fix
1.15
September 9, 2020
bug fix
Yes, the R21 software is iPad-compatible.
The app was developed by CAVES BOOKS LTD..
The R21 app currently supports iOS 9.0 or later.
There are no ratings available for R21 at the moment.
Education Is The Primary Genre Of The R21 App.
1.24 is the newly released R21 version.
The date of the last R21 update is October 6, 2024.
The R21 app was initially released on February 5, 2023.
The R21 app is rated CAVES BOOKS LTD.: Contains no objectionable material.
R21 currently features the following languages: .
No, R21 is not on Apple Arcade.
No, R21 does not integrate in-app purchases for users.
Unfortunately, R21 is not tailored for compatibility with Apple Vision Pro.
No, R21 does not include ads as part of its experience.