# ∞ Sudoku vs Kotobadle

The clearest difference is review sentiment: Kotobadle at 100% against ∞ Sudoku's 57%. Kotobadle also leads on update cadence (daily vs weekly). ∞ Sudoku's advantage is device support (4 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. ∞ Sudoku sells 2 in-app purchases, starting at $1.99 per month and Kotobadle sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

∞ Sudoku ships an update weekly, Kotobadle daily. The most recent releases landed on November 4, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | ∞ Sudoku | Kotobadle |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (25 ratings)](https://appshunter.io/ios/app/sudoku/id6473160292/reviews)** | — |
| Number of ratings | **25** | — |
| Positive reviews | 57.1% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Daily** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 10 MB | 5 MB |
| Requires iOS | 17.0 | **16.6** |
| Devices | **iPhone, iPad, Mac, Vision Pro** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Yusuke Sugamiya](https://appshunter.io/developer/1527567240) | [Tanveer Dhaliwal](https://appshunter.io/developer/1885877614) |

## What reviewers say

### ∞ Sudoku

[App page](https://appshunter.io/ios/app/sudoku/id6473160292)

Enjoy an endless Sudoku experience with this ad-free, offline logic puzzle game. Its minimalist design ensures fast downloads and smooth performance, focusing on high-quality puzzles and beautiful typography. Play at your own pace, from challenging your mind to relaxing with the game.

**Highlights:** Ad-free experience, Offline play, Endless puzzles, Minimalist design, High-quality puzzles, Beautiful typography

**Features:** Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $1.99 | per month |
| Lifetime | $9.99 | one-time |


### Kotobadle

[App page](https://appshunter.io/ios/app/kotobadle/id6763937323)

Engage your vocabulary and deduction skills with this Japanese word puzzle game. Discover the correct five-letter word using color-coded hints. Features multiple modes for casual play or intense challenges.

**Highlights:** Five-letter Japanese word guessing, Color-coded hint system, Daily global challenge, Classic endless mode, Time Attack mode, Blind Mode for memory challenge, Survival Mode with limited lives

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Kotobadle Pro | $2.99 | per month |
| Kotobadle Pro Yearly | $19.99 | per year |


## Frequently asked questions

### Is ∞ Sudoku free?

∞ Sudoku is free to download, with in-app purchases available.

### Is Kotobadle free?

Kotobadle is free to download, with in-app purchases available.

### Do ∞ Sudoku or Kotobadle have ads?

Neither ∞ Sudoku nor Kotobadle shows ads.

### Which is updated more often, ∞ Sudoku or Kotobadle?

∞ Sudoku ships an update weekly, and Kotobadle daily. Most recently, ∞ Sudoku was updated on November 4, 2026 and Kotobadle on October 31, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*