# TrainTool vs Slim Academy

The clearest difference is update cadence: TrainTool at every 3 weeks against Slim Academy's every 3 months. 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.

TrainTool ships an update every 3 weeks, Slim Academy every 3 months. The most recent releases landed on September 18, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | TrainTool | Slim Academy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/slim-academy/id6461727024/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Monetization | — | Free |
| Size | 29 MB | 25 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [TrainTool](https://appshunter.io/developer/821596020) | [Slim Academy](https://appshunter.io/developer/1702670527) |

## What reviewers say

### TrainTool

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

**In-app purchases:** none


### Slim Academy

[App page](https://appshunter.io/ios/app/slim-academy/id6461727024)

Access concise study summaries and lecture notes created by students for students. Test your knowledge with practice questions and stay updated with the latest exam material for various fields of study.

**Highlights:** Student-created summaries, Lecture notes, Practice questions, Tentamen-focused content, Up-to-date material, Clear formatting

**In-app purchases:** none


## Frequently asked questions

### Is TrainTool free?

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

### Is Slim Academy free?

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

### Do TrainTool or Slim Academy have ads?

Neither TrainTool nor Slim Academy shows ads.

### Which is updated more often, TrainTool or Slim Academy?

TrainTool ships an update every 3 weeks, and Slim Academy every 3 months. Most recently, TrainTool was updated on September 18, 2026 and Slim Academy on September 20, 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.*