# PrepAI vs MLExplorer

The clearest difference is device support: MLExplorer at 2 against PrepAI's —. MLExplorer also leads on iOS requirement (17.0 vs 26.2). On price and in-app purchases there is nothing between them.

Both are free to download. PrepAI sells 3 in-app purchases, starting at $5.99 per month and MLExplorer sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | PrepAI | MLExplorer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/mlexplorer/id6760930397/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | — | No |
| Update frequency | — | Every 2 days |
| Monetization | — | Free with in-app purchases |
| Size | 24 MB | 10 MB |
| Requires iOS | 26.2 | **17.0** |
| Devices | — | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Rajendra Choudhary](https://appshunter.io/developer/1884909495) | [Rui Huang](https://appshunter.io/developer/1886887898) |

## What reviewers say

### PrepAI

[App page](https://appshunter.io/ios/app/prepai-aillm-interview-prep/id6760548115)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PrepAI Premium | $5.99 | per month |
| PrepAI Premium | $14.99 | per 3 months |
| PrepAI Premium | $39.99 | per year |


### MLExplorer

[App page](https://appshunter.io/ios/app/mlexplorer/id6760930397)

Prepare for machine learning engineering interviews with AI-powered insights on research papers, coding challenges, system design, and mock interviews. Access curated paper collections and practice with company-specific interview simulations.

**Highlights:** AI insights on 6,000+ ML papers, 663 coding challenges with solutions, System design walkthroughs, Paper collections around landmark research, AI mock interviews by company, 7-day free trial

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ML Explorer Pro | $2.99 | per month |
| ML Explorer Pro (Annual) | $9.99 | per year |


## Frequently asked questions

### Is PrepAI free?

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

### Is MLExplorer free?

MLExplorer 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.*