Number Join vs Codex!
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Number Join
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.
- 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
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This game is a logic puzzle with simple rules. Your aim is to fill in the missing numbers, in sequential order, going horizontally or vertically only. Diagonal paths are not allowed. **** Features **** # Content - 5 difficulty levels - more than 500 levels # Features - "Check" function can highlight wrong numbers - option to enable automatically highlight wrong numbers - Auto-save the process of unfinished levels - Record best completion time for each level # Challenge - Game Center Achievements - Try to complete as many levels as possible
Codex!
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.
- Daily brain teaser
- Word puzzle challenges
- Vocabulary testing
- Logic challenges
- Classic word game experience
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Are you a word puzzle master? Whether you enjoy classic crossword puzzles or modern word games, Codex! will get you thinking. Take on the daily brain teaser and challenge your brain with this word game.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Number Join | Codex! |
|---|---|---|
| Price | Free | Free |
| Rating | 4.2 (203 ratings) | 5.0 (10 ratings) — better |
| Positive reviews | 66.1% of reviews | 100.0% of reviews — better |
| Number of ratings | 203 — better | 10 |
| Update frequency | Every 5 months | Every 4 days — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 13.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 11 MB | 11 MB |
| Age rating | 4+ | 4+ |
| Developer | Stanley Lam | Steven Phun |
Customer experience
Number Join
Codex!
Bugs and requests
Number Join
Reported bugs
6 issues- 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
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- Game stops podcasts playing in background
Requested features
8 requests- 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
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- Option to choose number direction (up/down) manually
- Continuous puzzles at each level, not repeating ones
- Pencil options for number entry
Codex!
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Number Join
- Upgrade to Full Version$0.99
Codex!
No in-app purchases
