# Co vs Train

The clearest difference is update cadence: Train at weekly against Co's every 3 weeks. Co's advantage is iOS requirement (14.0 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

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

Co ships an update every 3 weeks, Train weekly. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Co | Train |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Size | 64 MB | 11 MB |
| Requires iOS | **14.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [KallosSoft](https://appshunter.io/developer/1599612635) | [Tom Magnus Tobiasson](https://appshunter.io/developer/6788044769) |

## What reviewers say

### Co

[App page](https://appshunter.io/ios/app/co-fi-map-work-and-coffee/id6526489193)

**Features:** macOS Compatibility

**In-app purchases:** none


### Train

[App page](https://appshunter.io/ios/app/train-tracker/id6788044767)

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

**In-app purchases:** none


## Frequently asked questions

### Is Co free?

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

### Is Train free?

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

### Do Co or Train have ads?

Neither Co nor Train shows ads.

### Which is updated more often, Co or Train?

Co ships an update every 3 weeks, and Train weekly. Most recently, Co was updated on October 25, 2026 and Train on October 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.*