# Unlock a Code vs Train Jam

The clearest difference is iOS requirement: Unlock a Code at 10.0 against Train Jam's 14.0. 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.

## The numbers

| Metric | Unlock a Code | Train Jam |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Fortnightly | — |
| Size | 182 MB | 120 MB |
| Requires iOS | **10.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [1st-impact co.,ltd.](https://appshunter.io/developer/438027937) | [BooBoo Games](https://appshunter.io/developer/1527042659) |

## What reviewers say

### Unlock a Code

[App page](https://appshunter.io/ios/app/unlock-a-code/id1567165987)

**Features:** macOS Compatibility

**In-app purchases:** none


### Train Jam

[App page](https://appshunter.io/ios/app/train-jam/id6476666380)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Unlock a Code free?

Unlock a Code is free to download, with no in-app purchases.

### Is Train Jam free?

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

### Do Unlock a Code or Train Jam have ads?

Both Unlock a Code and Train Jam show ads.

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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.*