# Feynman AI vs LibGO UMPSA 2026

The clearest difference is in-app purchases: LibGO UMPSA 2026 at none against Feynman AI's 7. LibGO UMPSA 2026 also leads on iOS requirement (15.0 vs 18.6). Feynman AI's advantage is update cadence (every 6 days vs every 6 months). On price, ads and device support there is nothing between them.

Both are free to download. Feynman AI sells 7 in-app purchases, starting at $2.99 per 7 days. LibGO UMPSA 2026 asks for nothing beyond the download.

Feynman AI ships an update every 6 days, LibGO UMPSA 2026 every 6 months. The most recent releases landed on October 24, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Feynman AI | LibGO UMPSA 2026 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (55 ratings)](https://appshunter.io/ios/app/feynman-ai-study-notes-maker/id6738310899/reviews)** | — |
| Number of ratings | **55** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 6 days** | Every 6 months |
| Monetization | Free with in-app purchases | — |
| Size | 31 MB | 34 MB |
| Requires iOS | 18.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Baris Can Sertkaya](https://appshunter.io/developer/1713137184) | [SALLEH HUDIN MUSTAFFA](https://appshunter.io/developer/1886051444) |

## What reviewers say

### Feynman AI

[App page](https://appshunter.io/ios/app/feynman-ai-study-notes-maker/id6738310899)

This app helps you learn complex topics faster by explaining them in your own words, like teaching a child. It provides AI-powered feedback and allows you to create notes from various sources. Ideal for students and self-learners.

**Highlights:** Learn complex topics faster, AI-powered feedback, Create notes from YouTube, audio, text, images, Explain concepts like teaching a child, Refine understanding through repetition

**Features:** Vision Pro support

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly | $2.99 | per 7 days |
| Premium Weekly | $4.99 | per 7 days |
| Weekly Premium | $6.99 | per 7 days |
| Weekly Premium | $6.99 | per 7 days |
| Premium Monthly | $9.99 | per month |
| Yearly Premium | $39.99 | per year |
| Premium Annual | $39.99 | per year |


### LibGO UMPSA 2026

[App page](https://appshunter.io/ios/app/libgo-umpsa-2026/id6760805823)

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

**In-app purchases:** none


## Frequently asked questions

### Is Feynman AI free?

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

### Is LibGO UMPSA 2026 free?

LibGO UMPSA 2026 is free to download, with no in-app purchases.

### Do Feynman AI or LibGO UMPSA 2026 have ads?

Neither Feynman AI nor LibGO UMPSA 2026 shows ads.

### Which is updated more often, Feynman AI or LibGO UMPSA 2026?

Feynman AI ships an update every 6 days, and LibGO UMPSA 2026 every 6 months. Most recently, Feynman AI was updated on October 24, 2026 and LibGO UMPSA 2026 on October 17, 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.*