- Now SUM! is compatible with iOS 14! - Added haptic feedback when making a 10. - Updated the image of the character "5" and buttons in the settings screen. - Fixed some minor bugs.

Thanks a lot for playing SUM! You can play SUM! with iPhone 14! New splash screen designs!

Support for iPhone 12!

Compatible with iOS 14!

Some program adjustments according to the human interface guideline.

Compatible with iOS 13!

Thanks for updating the app! 1.17 The design of the main character "Uno" has been updated. Now it's even cuter than ever!

1.16 SUM! Trump is now on sale. Enjoy math with cute SUM! characters with cards now! See details from the "SUM! Trump" button in the settings page!

Happy New Year! Now Christmas is over, characters are now back to normal again! The start menu and the game over screen are refreshed!

Christmas version is here! This year, SUM! characters wear Christmas costumes designed by kids! We selected designs from all the works submitted from our website. - 1, 10 and 11 have limited version of Christmas costumes! - Monster #5 has been renewed.

SUM! is now "SUM! Family" from this version! Kids and parents, enjoy SUM! always to compete each other! What's new in this version; - Compatible with iOS12! - New title screen design!

Now the characters have become back to normal again. They will change their costumes again, so stay tuned!

Surprise!! This new update is a very limited version of PoupeIIe Of Chimney Town! Make a 10 and wow, there's the face of Lubicchi, the leading character of the story!! The game BGM is changed to the melody of PoupeIIe Of Chimney Town! Now you can enjoy playing SUM! while singing the popular song along the music!!

Happy new year! Now Christmas is over, SUM! characters have taken off the Santa costumes. Stay tuned for the next fun change.

Christmas version of SUM! is here! Only during this season, bubbles #1 and #11 are wearing winter costumes!

Support for iPhone X!

Support for iOS 11 Thanks a lot for enjoying SUM!

1.8 Added tutorial movies! 1.7 New character animation movies added! (The character movie set won Digital Elon (Picture Book) Award 2017)

New character animation movies added! (The character movie set won Digital Elon (Picture Book) Award 2017)

Added Game Center in the menu. SUM! will be evolved even more!

Fixed sound issues.

Bubble speed adjusted for better game experiences. Fixed some bugs. Now the game sound works fine.

Now compatible with iOS 10! A few bugs fixed. Game difficulty adjustment– Bubbles slow down at every 10,000 points! You can take a break and get more scores!

Bug fixes!

1.3 Compatible with Game Center! You can play on your iPad more comfortably. 1.3.1 Fixed a glitch on Game Center