# Sudoku.online vs Bolt Master

The clearest difference is in-app purchases: Sudoku.online at none against Bolt Master's 1. Sudoku.online also leads on ads (none vs shown) and update cadence (every 3 days vs every 7 months). On price and device support there is nothing between them.

Both are free to download. Bolt Master sells 1 one-off in-app purchase. Sudoku.online asks for nothing beyond the download.

Sudoku.online ships an update every 3 days, Bolt Master every 7 months. Both last shipped on October 30, 2026.

## The numbers

| Metric | Sudoku.online | Bolt Master |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 days** | Every 7 months |
| Size | 416 MB | 388 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [EDEV GROUP LIMITED](https://appshunter.io/developer/1745102606) | [Gameware Europe Ltd](https://appshunter.io/developer/1794895323) |

## What reviewers say

### Sudoku.online

[App page](https://appshunter.io/ios/app/sudokuonline/id6502346045)

**In-app purchases:** none


### Bolt Master

[App page](https://appshunter.io/ios/app/bolt-master/id6741691088)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Adverts | $4.99 | one-time |


## Frequently asked questions

### Is Sudoku.online free?

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

### Is Bolt Master free?

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

### Do Sudoku.online or Bolt Master have ads?

Bolt Master shows ads; Sudoku.online does not.

### Which is updated more often, Sudoku.online or Bolt Master?

Sudoku.online ships an update every 3 days, and Bolt Master every 7 months. Most recently, Sudoku.online was updated on October 30, 2026 and Bolt Master on October 30, 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.*