# Big Stuff Learning vs Feynman AI

The clearest difference is update cadence: Feynman AI at every 6 days against Big Stuff Learning's fortnightly. Big Stuff Learning's advantage is iOS requirement (16.6 vs 18.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Big Stuff Learning sells 16 in-app purchases, starting at $3.99 per month and Feynman AI sells 7 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Big Stuff Learning ships an update fortnightly, Feynman AI every 6 days. The most recent releases landed on September 15, 2026 and August 29, 2026 respectively.

## The numbers

| Metric | Big Stuff Learning | Feynman AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.6 (50 ratings)](https://appshunter.io/ios/app/feynman-ai-study-notes-maker/id6738310899/reviews)** |
| Number of ratings | — | **50** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 6 days** |
| Monetization | — | Free with in-app purchases |
| Size | 120 MB | 31 MB |
| Requires iOS | **16.6** | 18.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Stundner GmbH](https://appshunter.io/developer/597965104) | [Baris Can Sertkaya](https://appshunter.io/developer/1713137184) |

## What reviewers say

### Big Stuff Learning

[App page](https://appshunter.io/ios/app/big-stuff-learning/id6445987303)

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

**In-app purchases (16)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Web Basic | $3.99 | per month |
| Basic Monthly | $9.99 | per month |
| Basic | $11.99 | per year |
| AI-Basic | $12.99 | per month |
| AI-Pro | $22.99 | per month |
| Pro Monthly | $22.99 | per month |
| Premium Monthly | $29.99 | per month |
| Basic Yearly | $59.99 | per year |
| Pro Yearly | $149.99 | per year |
| Premium Yearly | $249.99 | per year |
| BSL Book | $3.99 | one-time |
| AI Points | $4.99 | one-time |
| Premium Account | $9.99 | one-time |
| AI Points | $24.99 | one-time |
| BSL Book | $34.99 | one-time |
| BSL Book | $44.99 | one-time |


### 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 |


## Frequently asked questions

### Is Big Stuff Learning free?

Big Stuff Learning is free to download, with in-app purchases available.

### Is Feynman AI free?

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

### Do Big Stuff Learning or Feynman AI have ads?

Neither Big Stuff Learning nor Feynman AI shows ads.

### Which is updated more often, Big Stuff Learning or Feynman AI?

Big Stuff Learning ships an update fortnightly, and Feynman AI every 6 days. Most recently, Big Stuff Learning was updated on September 15, 2026 and Feynman AI on August 29, 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.*