# Gravity Sudoku vs Boltfall

The clearest difference is ads: Gravity Sudoku at none against Boltfall's shown. Gravity Sudoku also leads on update cadence (daily vs every 3 days). Boltfall's advantage is iOS requirement (18.0 vs 26.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Gravity Sudoku sells 1 one-off in-app purchase and Boltfall sells 7 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Gravity Sudoku ships an update daily, Boltfall every 3 days. The most recent releases landed on October 22, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Gravity Sudoku | Boltfall |
| --- | --- | --- |
| 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 | Yes |
| Ads | **No** | Yes |
| Update frequency | **Daily** | Every 3 days |
| Monetization | Free | — |
| Size | 3 MB | 19 MB |
| Requires iOS | 26.0 | **18.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Andrew Everett](https://appshunter.io/developer/1894044372) | [Asgar Amrahov](https://appshunter.io/developer/1783397230) |

## 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 |


### Boltfall

[App page](https://appshunter.io/ios/app/boltfall-screw-puzzle-3d/id6802309994)

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Starter pouch | $1.99 | one-time |
| Starter Bundle | $2.99 | one-time |
| Tool tin | $4.99 | one-time |
| Remove Ads | $4.99 | one-time |
| Parts crate | $9.99 | one-time |
| Pro Bundle | $12.99 | one-time |
| Full pallet | $19.99 | one-time |


## Frequently asked questions

### Is Gravity Sudoku free?

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

### Is Boltfall free?

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

### Do Gravity Sudoku or Boltfall have ads?

Boltfall shows ads; Gravity Sudoku does not.

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

Gravity Sudoku ships an update daily, and Boltfall every 3 days. Most recently, Gravity Sudoku was updated on October 22, 2026 and Boltfall on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*