# Lernix AI vs Fehm

The clearest difference is in-app purchases: Fehm at none against Lernix AI's 4. Lernix AI's advantage is iOS requirement (16.4 vs 18.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Lernix AI sells 4 in-app purchases, starting at $9.99 per 7 days. Fehm asks for nothing beyond the download.

Lernix AI ships an update every 3 days, Fehm every 4 days. The most recent releases landed on October 7, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Lernix AI | Fehm |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/lernix-ai-study-anything/id6758575022/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 4 days |
| Monetization | Freemium | — |
| Size | 83 MB | 14 MB |
| Requires iOS | **16.4** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [CurrentOrbit LLC](https://appshunter.io/developer/1873755888) | [Bonded App LLC](https://appshunter.io/developer/1812522064) |

## What reviewers say

### Lernix AI

[App page](https://appshunter.io/ios/app/lernix-ai-study-anything/id6758575022)

Transform your study materials into engaging learning tools. Upload PDFs, audio, or YouTube links to generate summaries, mind maps, flashcards, and quizzes. Interact with your content through AI chat to deepen understanding and streamline your review process.

**Highlights:** Convert PDFs, audio, and YouTube to study materials, Generate summaries and mind maps, Create flashcards and quizzes, Interactive AI chat with study content, Organize and review diverse learning inputs, Streamlined study workflow

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lernix AI Premium | $9.99 | per 7 days |
| Lernix AI Premium | $18.99 | per month |
| Lernix AI Premium | $79.99 | per year |
| Lernix AI Premium | $95.99 | per year |


### Fehm

[App page](https://appshunter.io/ios/app/fehm/id6758907228)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Lernix AI free?

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

### Is Fehm free?

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

### Do Lernix AI or Fehm have ads?

Neither Lernix AI nor Fehm shows ads.

### Which is updated more often, Lernix AI or Fehm?

Lernix AI ships an update every 3 days, and Fehm every 4 days. Most recently, Lernix AI was updated on October 7, 2026 and Fehm on October 5, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*