# Number Join vs ChessSweeper

The clearest difference is in-app purchases: ChessSweeper at none against Number Join's 1. ChessSweeper also leads on ads (none vs shown) and update cadence (every 2 days vs every 5 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Number Join sells 1 one-off in-app purchase. ChessSweeper asks for nothing beyond the download.

Number Join ships an update every 5 months, ChessSweeper every 2 days. The most recent releases landed on October 15, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Number Join | ChessSweeper |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (203 ratings)](https://appshunter.io/ios/app/number-join-connect-numbers/id603551538/reviews)** | — |
| Number of ratings | **203** | — |
| Positive reviews | 66.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | **Every 2 days** |
| Monetization | Free with in-app purchases | — |
| Size | 11 MB | 23 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Stanley Lam](https://appshunter.io/developer/453164363) | [Gustaf Brostrom](https://appshunter.io/developer/1607837040) |

## What reviewers say

### Number Join

[App page](https://appshunter.io/ios/app/number-join-connect-numbers/id603551538)

A logic puzzle game where you fill in missing numbers sequentially, horizontally or vertically. Features multiple difficulty levels, over 500 puzzles, and helpful tools like a "Check" function to highlight errors. It also tracks your best completion times and offers Game Center achievements.

**Highlights:** Fill missing numbers sequentially, Horizontal and vertical paths only, 5 difficulty levels, Over 500 levels, Highlight wrong numbers function, Auto-save progress, Record best completion times

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Upgrade to Full Version | $0.99 | one-time |

**What reviewers like**

- 🧠 Great mind exercise
- 🧩 Fun and challenging puzzle
- 👍 Intuitive and well-thought-out
- 💡 Satisfying gameplay
- ⏳ Good time passer

**What reviewers complain about**

- 🐛 Frequent crashes
- 🖱️ Non-intuitive controls
- 📱 UI issues after updates
- 💰 Unclear monetization
- 🖱️ Small and close undo/redo buttons

**Reported bugs**

- Game crashes upon opening
- Game crashes during gameplay
- Update issues: game alignment, inaccessible older games
- View mode screwed up, nothing lines up
- Congrats window blocks game

**Requested features**

- More puzzles, larger grids (11x11+)
- Ability to set up puzzles from external sources
- More distinguishing colors for tiles
- A 'backwards mode' for reverse number solving
- Different color tiles for next vs. back numbers


### ChessSweeper

[App page](https://appshunter.io/ios/app/chesssweeper/id6475792499)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Number Join free?

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

### Is ChessSweeper free?

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

### Do Number Join or ChessSweeper have ads?

Number Join shows ads; ChessSweeper does not.

### Which is updated more often, Number Join or ChessSweeper?

Number Join ships an update every 5 months, and ChessSweeper every 2 days. Most recently, Number Join was updated on October 15, 2026 and ChessSweeper on October 8, 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.*