# Languages  Vocabulary vs DevPrep

The clearest difference is in-app purchases: Languages  Vocabulary at none against DevPrep's 5. Languages  Vocabulary also leads on iOS requirement (12.0 vs 15.1). DevPrep's advantage is device support. On price there is nothing between them.

Both are free to download. DevPrep sells 5 one-off in-app purchases. Languages  Vocabulary asks for nothing beyond the download.

## The numbers

| Metric | Languages  Vocabulary | DevPrep |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | — | No |
| Update frequency | — | Every 2 days |
| Size | 89 MB | 149 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Christian Bustamante](https://appshunter.io/developer/1705576757) | [Thieu Khue](https://appshunter.io/developer/1554439862) |

## What reviewers say

### Languages  Vocabulary

[App page](https://appshunter.io/ios/app/languages-vocabulary/id6466376521)

**In-app purchases:** none


### DevPrep

[App page](https://appshunter.io/ios/app/devprep-ai-interview-coach/id6755906092)

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Backend Scale pack | $9.99 | one-time |
| Data Structure & Algorithms pack | $9.99 | one-time |
| System Design pack | $9.99 | one-time |
| Frontend Engineering pack | $9.99 | one-time |
| Unlock all Pro Packs | $29.99 | one-time |


## Frequently asked questions

### Is Languages  Vocabulary free?

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

### Is DevPrep free?

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

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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.*