# Collaborative Sudoku vs QuietGrid

The clearest difference is in-app purchases: Collaborative Sudoku at none against QuietGrid's 2. Collaborative Sudoku also leads on iOS requirement (15.1 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. QuietGrid sells 2 in-app purchases, starting at $2.99 per month. Collaborative Sudoku asks for nothing beyond the download.

## The numbers

| Metric | Collaborative Sudoku | QuietGrid |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/collaborative-sudoku/id6757662311/reviews)** | — |
| Number of ratings | **4** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Monetization | Free | — |
| Size | 29 MB | 1 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Jason Huang](https://appshunter.io/developer/1704879454) | [Jasko Hodzic](https://appshunter.io/developer/6780306802) |

## What reviewers say

### Collaborative Sudoku

[App page](https://appshunter.io/ios/app/collaborative-sudoku/id6757662311)

Engage in real-time Sudoku challenges with friends on a shared grid. This app offers live updates, collaborative note-taking, and a minimalist design for a smarter, team-based puzzle experience.

**Highlights:** Real-time collaborative gameplay, Shared puzzle rooms, Live player move updates, Shared notes and markings, Clean, minimalist design, Optimized for iPhone and iPad

**Features:** macOS Compatibility

**In-app purchases:** none


### QuietGrid

[App page](https://appshunter.io/ios/app/quietgrid-sudoku-focus/id6793663023)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| QuietGrid Pro Monthly | $2.99 | per month |
| QuietGrid Pro Lifetime | $22.99 | one-time |


## Frequently asked questions

### Is Collaborative Sudoku free?

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

### Is QuietGrid free?

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

### Do Collaborative Sudoku or QuietGrid have ads?

Neither Collaborative Sudoku nor QuietGrid 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.*