# TrainTool vs Peek

The clearest difference is device support: TrainTool at 3 against Peek's 1. TrainTool also leads on iOS requirement (15.1 vs 18.0). On price, update cadence, ads and in-app purchases there is nothing between them.

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

TrainTool ships an update every 3 weeks, Peek every 6 weeks. The most recent releases landed on September 18, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | TrainTool | Peek |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 6 weeks |
| Size | 29 MB | 13 MB |
| Requires iOS | **15.1** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [TrainTool](https://appshunter.io/developer/821596020) | [Peek VOF](https://appshunter.io/developer/1562970884) |

## What reviewers say

### TrainTool

[App page](https://appshunter.io/ios/app/traintool/id821596017)

**In-app purchases:** none


### Peek

[App page](https://appshunter.io/ios/app/peek/id1450171348)

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

**In-app purchases:** none


## Frequently asked questions

### Is TrainTool free?

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

### Is Peek free?

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

### Do TrainTool or Peek have ads?

Neither TrainTool nor Peek shows ads.

### Which is updated more often, TrainTool or Peek?

TrainTool ships an update every 3 weeks, and Peek every 6 weeks. Most recently, TrainTool was updated on September 18, 2026 and Peek on September 8, 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.*