# Métropolitain vs Chess Codex

The clearest difference is price: Chess Codex at Free against Métropolitain's $0.99. Métropolitain's advantage is ads (none vs shown) and iOS requirement (13.0 vs 15.1). On update cadence, in-app purchases and device support there is nothing between them.

Chess Codex is free to download; Métropolitain costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Métropolitain ships an update daily, Chess Codex every 3 days. The most recent releases landed on October 14, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Métropolitain | Chess Codex |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Daily** | Every 3 days |
| Monetization | Paid | — |
| Size | 48 MB | 36 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jeroen Keij](https://appshunter.io/developer/382999798) | [Vince Lubbers](https://appshunter.io/developer/1889839785) |

## What reviewers say

### Métropolitain

[App page](https://appshunter.io/ios/app/metropolitain/id6468594007)

Guide travelers through the Paris metro in 1924. Help passengers catch the correct train on time by providing directions. Explore historically accurate stations and unlock fascinating details about their origins.

**Highlights:** Guide passengers to correct trains, 25 historically modeled levels, Uniquely generated levels, Unlock historical station details, Challenging time-based gameplay

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

**In-app purchases:** none


### Chess Codex

[App page](https://appshunter.io/ios/app/chess-codex/id6778615817)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Métropolitain free?

Métropolitain costs $0.99, with no in-app purchases.

### Is Chess Codex free?

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

### Do Métropolitain or Chess Codex have ads?

Chess Codex shows ads; Métropolitain does not.

### Which is updated more often, Métropolitain or Chess Codex?

Métropolitain ships an update daily, and Chess Codex every 3 days. Most recently, Métropolitain was updated on October 14, 2026 and Chess Codex on October 15, 2026.

---

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