Fun With Sudoku vs rairyu
Price, ratings, monetisation and update history for both games, side by side โ with what reviewers say about each.
Fun With Sudoku
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Game Rules: Sudoku is a classic puzzle game. Fill the grid so that every row, every column, and every 3x3 block contains the numbers 1 to 9, with no repeats in each row, column, or block. How to Play: Click on any empty cell to bring up number options. Select a number to fill in the space. If you click a cell you have already filled, you can change the number by selecting a new one. Memo Function: If you're not sure about a cell, you can use the handwriting feature to make a memo or jot down possible numbers. Difficulty Levels: There are three modes to choose from: Easy, Normal, and Hard. Hints: If you get stuck, a hint will appear after a certain amount of time to help you continue.
rairyu
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Screenshots
Verdict
The clearest difference is update cadence: Fun With Sudoku at every 3 days against rairyu's every 3 weeks. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Fun With Sudoku ships an update every 3 days, rairyu every 3 weeks. The most recent releases landed on November 3, 2026 and October 25, 2026 respectively.
| Parameter | Fun With Sudoku | rairyu |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 days โ better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details โ not scored | ||
| Size | 20 MB | 29 MB |
| Age rating | 4+ | 4+ |
| Developer | kitamura hira | ้น ๅญ |
In-app purchases
Fun With Sudoku
No in-app purchases
rairyu
No in-app purchases
Questions
Is Fun With Sudoku free?
Is rairyu free?
Do Fun With Sudoku or rairyu have ads?
Which is updated more often, Fun With Sudoku or rairyu?
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