# chuuchuu vs Trayn

The clearest difference is iOS requirement: Trayn at 18.0 against chuuchuu's 26.0. On price, review sentiment, update cadence and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on October 24, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | chuuchuu | Trayn |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/chuuchuu/id6748694096/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | Every 2 weeks |
| Monetization | Free | Free |
| Size | 53 MB | 8 MB |
| Requires iOS | 26.0 | **18.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Chuuchuu](https://appshunter.io/developer/1827019026) | [Trayn](https://appshunter.io/developer/1889143926) |

## What reviewers say

### chuuchuu

[App page](https://appshunter.io/ios/app/chuuchuu/id6748694096)

This app helps travelers across Europe plan train journeys by showing train reliability and predicting potential delays. Get real-time updates, compare journeys based on various factors, and track your trip on your lock screen.

**Highlights:** Live Activities for lock screen tracking, Early delay predictions, Journey reliability scores, Smart journey comparison, Real-time disruption notifications, Deep travel insights

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

**In-app purchases:** none


### Trayn

[App page](https://appshunter.io/ios/app/trayn-train-tracker/id6761366082)

This app provides real-time updates for train journeys in France, including schedules, delays, platform information, and alerts for disruptions. It offers a live map of train movements and allows users to track past and upcoming trips.

**Highlights:** Real-time train schedules, Delay and disruption alerts, Platform assignments, Live train map, Journey history, Ticket scanning for journeys, Lock Screen and Dynamic Island integration

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

**In-app purchases:** none


## Frequently asked questions

### Is chuuchuu free?

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

### Is Trayn free?

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

### Do chuuchuu or Trayn have ads?

Neither chuuchuu nor Trayn shows ads.

### Which is updated more often, chuuchuu or Trayn?

chuuchuu ships an update every 2 weeks, and Trayn every 2 weeks. Most recently, chuuchuu was updated on October 24, 2026 and Trayn on October 23, 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.*