# SudoDuo vs Squid Sudoku

The clearest difference is update cadence: SudoDuo at every 5 days against Squid Sudoku's every 3 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. SudoDuo sells 4 one-off in-app purchases and Squid Sudoku sells 4 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

SudoDuo ships an update every 5 days, Squid Sudoku every 3 weeks. The most recent releases landed on November 7, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | SudoDuo | Squid Sudoku |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.1 (14 ratings)](https://appshunter.io/ios/app/squid-sudoku/id1590299931/reviews)** |
| Number of ratings | — | **14** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 5 days** | Every 3 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 65 MB | 91 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Simon Braillard](https://appshunter.io/developer/1482266326) | [Shanghai Tiding Information Technology Co., Ltd.](https://appshunter.io/developer/1535433089) |

## What reviewers say

### SudoDuo

[App page](https://appshunter.io/ios/app/sudoduo/id1568002269)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 100 coins | $0.99 | one-time |
| 230 coins | $1.99 | one-time |
| 650 coins | $5.99 | one-time |
| 1400 coins | $9.99 | one-time |


### Squid Sudoku

[App page](https://appshunter.io/ios/app/squid-sudoku/id1590299931)

Engage in classic number puzzles with multiple difficulty levels and daily challenges. Compete against friends or other players in exciting battles, or progress through a stage mode with numerous tasks. The app offers helpful tools like hints and auto-check to enhance your gameplay experience.

**Highlights:** Multiple difficulty levels, Daily challenges, Multiplayer battles, Stage mode with tasks, Hints and auto-check, Replay functionality, Customizable game skins

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Consecutive Monthly | $0.99 | per month |
| Monthly Pro | $1.99 | one-time |
| Quarterly Pro | $4.99 | one-time |
| Yearly Pro | $15.99 | one-time |


## Frequently asked questions

### Is SudoDuo free?

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

### Is Squid Sudoku free?

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

### Do SudoDuo or Squid Sudoku have ads?

Both SudoDuo and Squid Sudoku show ads.

### Which is updated more often, SudoDuo or Squid Sudoku?

SudoDuo ships an update every 5 days, and Squid Sudoku every 3 weeks. Most recently, SudoDuo was updated on November 7, 2026 and Squid Sudoku on November 3, 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.*