# Codex Numbers vs Flag Quiz

The clearest difference is rating: Flag Quiz at 4.4 against Codex Numbers's 1.0. Flag Quiz also leads on in-app purchases (none vs 4) and update cadence (every 4 days vs monthly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Codex Numbers sells 4 one-off in-app purchases. Flag Quiz asks for nothing beyond the download.

Flag Quiz holds the better App Store score, 4.4 against 1.0. That said, the two scores are not equally well evidenced: Flag Quiz has 20 ratings behind it against 1, so its average is the more settled of the two.

Codex Numbers ships an update monthly, Flag Quiz every 4 days. The most recent releases landed on October 7, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Codex Numbers | Flag Quiz |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/codex-numbers/id1050426926/reviews) | **[4.4 (20 ratings)](https://appshunter.io/ios/app/flag-quiz-world-flags-game/id1585548760/reviews)** |
| Number of ratings | 1 | **20** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Monthly | **Every 4 days** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 132 MB | 88 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 9+ |
| Developer | [Alaattin Bedir](https://appshunter.io/developer/924813905) | [Taisuke Hosokawa](https://appshunter.io/developer/1585548762) |

## What reviewers say

### Codex Numbers

[App page](https://appshunter.io/ios/app/codex-numbers/id1050426926)

A logic puzzle game where players race to guess their opponent's secret code before they guess yours. Offers single-player against AI and online multiplayer modes with scoring and leaderboards.

**Highlights:** Secret code guessing gameplay, Single-player AI challenges, Online multiplayer with friends, Training mode for skill improvement, Game Center integration, Scoring and leaderboards, Timed online matches

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Online Game Packet (1000 Games) | $0.99 | one-time |
| No Ads (Remove all ads) | $1.99 | one-time |
| Middle Online Game Package (3000 Games) | $1.99 | one-time |
| Big Online Game Package (5000 Games) | $2.99 | one-time |


### Flag Quiz

[App page](https://appshunter.io/ios/app/flag-quiz-world-flags-game/id1585548760)

Learn and memorize national flags from around the world with this engaging quiz game. It offers short, repeatable quizzes to enhance memory and knowledge of global geography in an entertaining and user-friendly format.

**Highlights:** Short, repeatable quizzes, Progress tracking graph, Memory skill improvement, User-friendly interface, Educational content, Challenging gameplay

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

**In-app purchases:** none


## Frequently asked questions

### Is Codex Numbers free?

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

### Is Flag Quiz free?

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

### Which has better reviews, Codex Numbers or Flag Quiz?

Flag Quiz is rated higher. Codex Numbers averages 1.0 out of 5 from 1 ratings, while Flag Quiz averages 4.4 from 20 ratings.

### Do Codex Numbers or Flag Quiz have ads?

Both Codex Numbers and Flag Quiz show ads.

### Which is updated more often, Codex Numbers or Flag Quiz?

Codex Numbers ships an update monthly, and Flag Quiz every 4 days. Most recently, Codex Numbers was updated on October 7, 2026 and Flag Quiz on September 28, 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.*