# Sosu der vs Sudogu

The clearest difference is ads: Sudogu at none against Sosu der's shown. Sudogu also leads on update cadence (fortnightly vs every 4 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Sosu der ships an update every 4 months, Sudogu fortnightly. The most recent releases landed on October 17, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Sosu der | Sudogu |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/sudogu/id6739965254/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Fortnightly** |
| Monetization | — | Free |
| Size | 140 MB | 18 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Hirobumi Onishi](https://appshunter.io/developer/1740115066) | [Neil Rohan](https://appshunter.io/developer/1522614743) |

## What reviewers say

### Sosu der

[App page](https://appshunter.io/ios/app/sosu-der/id6483364985)

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

**In-app purchases:** none


### Sudogu

[App page](https://appshunter.io/ios/app/sudogu/id6739965254)

This app offers a unique take on Sudoku with user-loaded solution algorithms and instant feedback on incorrect guesses. Enjoy multiple difficulty levels, no time limits, and save your progress anytime. It provides a relaxed, ad-free gaming experience for all ages.

**Highlights:** User loaded solution algorithms, Immediate feedback on wrong guesses, Four difficulty levels, No time limits, Save progress anytime, Detailed game records, Ad-free experience

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

**In-app purchases:** none


## Frequently asked questions

### Is Sosu der free?

Sosu der is free to download, with no in-app purchases.

### Is Sudogu free?

Sudogu is free to download, with no in-app purchases.

### Do Sosu der or Sudogu have ads?

Sosu der shows ads; Sudogu does not.

### Which is updated more often, Sosu der or Sudogu?

Sosu der ships an update every 4 months, and Sudogu fortnightly. Most recently, Sosu der was updated on October 17, 2026 and Sudogu on October 9, 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.*