About
Engage in a daily arithmetic logic puzzle with rotating concentric rings. Solve for the target sum on each spoke to complete the daily challenge. Offers multiple difficulty tiers and practice modes, with a privacy-first approach and no tracking.
What's New in Rinmath Math Number Puzzle
1.2.13
July 27, 2026
Bug fixes
In-App Purchases
$1.99
Rinmath Pro
Stats and full History. No subscription.
Developer apps
FAQ
What is Rinmath?
Rinmath is a daily rotational arithmetic puzzle game. Players rotate concentric rings to make the numbers on each spoke add up to a daily target number. It's designed to be a quick, engaging mental exercise.
How does Rinmath work?
You choose a spoke count (2, 4, 6, or 8) which sets the daily tier. By dragging the rings, you align tiles so that the numbers on each spoke sum to the day's target. Once all spokes reach the target, the puzzle is solved.
Can I play Rinmath offline?
Yes, normal play for Rinmath is offline. Purchases and restores use the Apple StoreKit, but the core gameplay does not require an internet connection.
What are the different difficulty tiers in Rinmath?
Rinmath offers daily tiers based on spoke count: 2 spokes (trainer), 4 spokes (warm-up), 6 spokes (standard), and 8 spokes (full grind). Difficulty also ramps by weekday, with Monday/Tuesday being Easy and Sunday being Expert.
Does Rinmath have ads?
No, Rinmath does not have any advertisements. The app is designed with a privacy-first approach and does not include advertising libraries.
What devices does Rinmath support?
Rinmath is a universal app designed for all Apple devices, including iPhone, iPad, and Mac. It also integrates with Siri and Shortcuts for easy access.
How often is the Rinmath puzzle updated?
The daily puzzle in Rinmath is refreshed at UTC midnight. Each tier has its own deterministic daily puzzle, ensuring a new challenge each day.
What languages does Rinmath support?
Rinmath supports twelve languages, including English, Spanish, French, German, Italian, Brazilian Portuguese, Japanese, Korean, Simplified Chinese, Russian, Dutch, and Arabic.