# Gravity Sudoku vs NumRush

The clearest difference is in-app purchases: NumRush at none against Gravity Sudoku's 1. NumRush also leads on iOS requirement (15.1 vs 26.0). Gravity Sudoku's advantage is update cadence (daily vs every 6 weeks). On price, ads and device support there is nothing between them.

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

Gravity Sudoku ships an update daily, NumRush every 6 weeks. Both last shipped on October 31, 2026.

## The numbers

| Metric | Gravity Sudoku | NumRush |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/gravity-sudoku/id6762402930/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Daily** | Every 6 weeks |
| Monetization | Free | — |
| Size | 3 MB | 30 MB |
| Requires iOS | 26.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Andrew Everett](https://appshunter.io/developer/1894044372) | [LUKAS ANDREAS NILSEN](https://appshunter.io/developer/1866243718) |

## What reviewers say

### Gravity Sudoku

[App page](https://appshunter.io/ios/app/gravity-sudoku/id6762402930)

A distraction-free Sudoku game offering classic logic puzzles with unique social features. Challenge friends to beat your times or get human hints when stuck. Enjoy five difficulty levels with an optional one-time upgrade.

**Highlights:** Human hints for stuck cells, Race friends' ghost times, Five difficulty levels, Candidate notes and reasoning workspace, Input coach for explanations, No ads or subscriptions

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Gravity Plus | $0.99 | one-time |


### NumRush

[App page](https://appshunter.io/ios/app/numrush-puzzlemonster/id6782884773)

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

**In-app purchases:** none


## Frequently asked questions

### Is Gravity Sudoku free?

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

### Is NumRush free?

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

### Do Gravity Sudoku or NumRush have ads?

Neither Gravity Sudoku nor NumRush shows ads.

### Which is updated more often, Gravity Sudoku or NumRush?

Gravity Sudoku ships an update daily, and NumRush every 6 weeks. Most recently, Gravity Sudoku was updated on October 31, 2026 and NumRush 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.*