# NinjaSudoku vs SnapSeven

The clearest difference is in-app purchases: NinjaSudoku at none against SnapSeven's 2. SnapSeven's advantage is update cadence (fortnightly vs every 52 months) and iOS requirement (13.0 vs 15.6). On price, ads and device support there is nothing between them.

Both are free to download. SnapSeven sells 2 in-app purchases, starting at $1.99 per month. NinjaSudoku asks for nothing beyond the download.

NinjaSudoku ships an update every 52 months, SnapSeven fortnightly. The most recent releases landed on November 6, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | NinjaSudoku | SnapSeven |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 52 months | **Fortnightly** |
| Size | 1 MB | 52 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Compiled](https://appshunter.io/developer/520829733) | [RANKA s.r.o.](https://appshunter.io/developer/352576574) |

## What reviewers say

### NinjaSudoku

[App page](https://appshunter.io/ios/app/ninjasudoku/id1236311684)

**Features:** macOS Compatibility

**In-app purchases:** none


### SnapSeven

[App page](https://appshunter.io/ios/app/snapseven/id6776776722)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SnapSeven Plus | $1.99 | per month |
| 100 hints | $0.99 | one-time |


## Frequently asked questions

### Is NinjaSudoku free?

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

### Is SnapSeven free?

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

### Do NinjaSudoku or SnapSeven have ads?

Neither NinjaSudoku nor SnapSeven shows ads.

### Which is updated more often, NinjaSudoku or SnapSeven?

NinjaSudoku ships an update every 52 months, and SnapSeven fortnightly. Most recently, NinjaSudoku was updated on November 6, 2026 and SnapSeven 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.*