# ZeroOneFlow vs Unblock my Sudoku

The clearest difference is iOS requirement: ZeroOneFlow at 16.2 against Unblock my Sudoku's 18.6. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. ZeroOneFlow sells 1 one-off in-app purchase and Unblock my Sudoku sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | ZeroOneFlow | Unblock my Sudoku |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/unblock-my-sudoku/id6762530207/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Monetization | — | Free with in-app purchases |
| Size | 1 MB | 82 MB |
| Requires iOS | **16.2** | 18.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Fu Ni](https://appshunter.io/developer/1560534229) | [ALAN PETERSON](https://appshunter.io/developer/1436516782) |

## What reviewers say

### ZeroOneFlow

[App page](https://appshunter.io/ios/app/zerooneflow/id1563516711)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tornado | $0.99 | one-time |


### Unblock my Sudoku

[App page](https://appshunter.io/ios/app/unblock-my-sudoku/id6762530207)

This app helps you solve Sudoku puzzles by scanning your partially completed grids with your device's camera. It provides progressive, visual hints to guide you through the logic, teaching you advanced techniques without leaving your current puzzle. Enjoy frustration-free Sudoku and improve your skills with on-device processing for privacy.

**Highlights:** Smart camera scanning for puzzles, Progressive, educational hints, Supports all Sudoku difficulties, Learn on your own puzzle, Offline privacy, Visual logic instruction

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Hints | $4.99 | one-time |


## Frequently asked questions

### Is ZeroOneFlow free?

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

### Is Unblock my Sudoku free?

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

### Do ZeroOneFlow or Unblock my Sudoku have ads?

Neither ZeroOneFlow nor Unblock my Sudoku shows ads.

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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.*