Live from App Store
iTunes API · fetched on page loadRating
4.7 ★
2K ratings
Reviews
2K
iOS ratings
Size
249 MB
Download size
Last Updated
Dec 2025
v1.8.0
Original Release
Sep 2023
What's new in v1.8.0
Thank you for playing our Number Sum game. We update this version regularly to give you a better experience. - Add New Event games - Performance optimized - Fixed BUGs Come to download and play!
Source: App Store release notes · Fetched live
About this game
Number Sum is a casual math puzzle game where players fill a grid with numbers to match given sums. It offers a relaxing and accessible way to exercise basic arithmetic skills. The game provides an endless stream of puzzles suitable for quick mental breaks.
Tags
✈️ Offline play👍 One-handed🔇 Mute-friendly⚡ No energy timers👶 Parent-friendly
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👍
One Thumb
The other hand is busy.
👶
New Parent Approved
The only 5 minutes that are yours.
✈️
Fully Offline
Works anywhere. Yes, anywhere.
⚡
No Energy Timers
Play as long as you want.
💨
Quick Fire
In and out. Like a pro.
🚫
No Grind
Progress without the treadmill.
🏁
Proper Endings
Games that actually finish.
📅
Daily Games
One puzzle. Every day. Done.
🧠
Brain Off
No thinking required.
👫
Play Together
Two players, one phone or two.
📖
Story First
Worth reading every word.