# Assystem L&D vs Prepstr

The clearest difference is in-app purchases: Assystem L&D at none against Prepstr's 3. Prepstr's advantage is update cadence (every 4 days vs every 9 days). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Prepstr sells 3 in-app purchases, starting at $3.99 per 7 days. Assystem L&D asks for nothing beyond the download.

Assystem L&D ships an update every 9 days, Prepstr every 4 days. The most recent releases landed on November 7, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Assystem L&D | Prepstr |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 9 days | **Every 4 days** |
| Size | 136 MB | 40 MB |
| Requires iOS | **16.4** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [SQUARANCE](https://appshunter.io/developer/1060029013) | [Prepstr](https://appshunter.io/developer/1896594682) |

## What reviewers say

### Assystem L&D

[App page](https://appshunter.io/ios/app/assystem-l-and-d/id1628825405)

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

**In-app purchases:** none


### Prepstr

[App page](https://appshunter.io/ios/app/prepstr-toeic-and-toefl/id6768670573)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Hebdomadaire | $3.99 | per 7 days |
| Mensuel | $11.99 | per month |
| Annuel | $49.99 | per year |


## Frequently asked questions

### Is Assystem L&D free?

Assystem L&D is free to download, with no in-app purchases.

### Is Prepstr free?

Prepstr is free to download, with in-app purchases available.

### Do Assystem L&D or Prepstr have ads?

Neither Assystem L&D nor Prepstr shows ads.

### Which is updated more often, Assystem L&D or Prepstr?

Assystem L&D ships an update every 9 days, and Prepstr every 4 days. Most recently, Assystem L&D was updated on November 7, 2026 and Prepstr on October 31, 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.*