# Number Join vs Codex!

The clearest difference is rating: Codex! at 5.0 against Number Join's 4.2. Codex! also leads on in-app purchases (none vs 1) and ads (none vs shown). Number Join's advantage is ratings volume (203 vs 10) and device support (3 vs 1). On price there is nothing between them.

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

Codex! holds the better App Store score, 5.0 against 4.2. That said, the two scores are not equally well evidenced: Number Join has 203 ratings behind it against 10, so its average is the more settled of the two. Written reviews point the same way: 66% of Number Join's written reviews are positive against 100% of Codex!'s.

Number Join ships an update every 5 months, Codex! every 4 days. The most recent releases landed on October 6, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Number Join | Codex! |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (203 ratings)](https://appshunter.io/ios/app/number-join-connect-numbers/id603551538/reviews) | **[5.0 (10 ratings)](https://appshunter.io/ios/app/codex/id6738445369/reviews)** |
| Number of ratings | **203** | 10 |
| Positive reviews | 66.1% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | **Every 4 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 11 MB | 11 MB |
| Requires iOS | **13.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Stanley Lam](https://appshunter.io/developer/453164363) | [Steven Phun](https://appshunter.io/developer/1585512108) |

## 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


### Codex!

[App page](https://appshunter.io/ios/app/codex/id6738445369)

Engage your mind with a daily word puzzle that tests your vocabulary and logic. This game offers a classic brain teaser experience for enthusiasts of word games and crosswords.

**Highlights:** Daily brain teaser, Word puzzle challenges, Vocabulary testing, Logic challenges, Classic word game experience

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

**In-app purchases:** none


## Frequently asked questions

### Is Number Join free?

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

### Is Codex! free?

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

### Which has better reviews, Number Join or Codex!?

Codex! is rated higher. Number Join averages 4.2 out of 5 from 203 ratings, while Codex! averages 5.0 from 10 ratings.

### Do Number Join or Codex! have ads?

Number Join shows ads; Codex! does not.

### Which is updated more often, Number Join or Codex!?

Number Join ships an update every 5 months, and Codex! every 4 days. Most recently, Number Join was updated on October 6, 2026 and Codex! on October 10, 2026.

---

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