# Kosmos LMS vs DevPrep

The clearest difference is in-app purchases: Kosmos LMS at none against DevPrep's 4. DevPrep's advantage is iOS requirement (13.0 vs 15.1). On price, ads and device support there is nothing between them.

Both are free to download. DevPrep sells 4 one-off in-app purchases. Kosmos LMS asks for nothing beyond the download.

## The numbers

| Metric | Kosmos LMS | DevPrep |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Size | 19 MB | 25 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Nomadian](https://appshunter.io/developer/1789267036) | [Shohruxbek Atavullayev](https://appshunter.io/developer/1859528937) |

## What reviewers say

### Kosmos LMS

[App page](https://appshunter.io/ios/app/kosmos-lms/id6758995553)

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

**In-app purchases:** none


### DevPrep

[App page](https://appshunter.io/ios/app/devprep-coding-interview-prep/id6775566429)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Dart | $12.99 | one-time |
| Unlock JavaScript | $12.99 | one-time |
| Unlock Python | $12.99 | one-time |
| Unlock Swift | $12.99 | one-time |


## Frequently asked questions

### Is Kosmos LMS free?

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

### Is DevPrep free?

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

### Do Kosmos LMS or DevPrep have ads?

Neither Kosmos LMS nor DevPrep shows 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.*