# Note, Feynman | Briefly AI vs LectureLens

The clearest difference is monetization model: LectureLens at free with in-app purchases against Note, Feynman | Briefly AI's subscription. On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. Note, Feynman | Briefly AI sells 4 in-app purchases, starting at $8.99 per 7 days and LectureLens sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for Note, Feynman | Briefly AI against 5.0 for LectureLens. Both are backed by a comparable volume of ratings — 1 and 2 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Note, Feynman | Briefly AI ships an update every 8 days, LectureLens every 4 days. Both last shipped on October 5, 2026.

## The numbers

| Metric | Note, Feynman | Briefly AI | LectureLens |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/note-feynman-briefly-ai/id6745227334/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/lecturelens-ai-study-buddy/id6746423331/reviews) |
| Number of ratings | 1 | **2** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 8 days | **Every 4 days** |
| Monetization | Subscription | **Free with in-app purchases** |
| Size | 84 MB | 51 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Saqer Alshukaili](https://appshunter.io/developer/1773147914) | [CWB Innovations LLC](https://appshunter.io/developer/1816819233) |

## What reviewers say

### Note, Feynman | Briefly AI

[App page](https://appshunter.io/ios/app/note-feynman-briefly-ai/id6745227334)

Transform information into organized knowledge for faster learning. Import content from various sources, generate AI summaries, create flashcards, and visualize concepts with mind maps. Engage with AI chat and a unique Feynman test mode to deepen understanding.

**Highlights:** One-tap content import, AI summaries and key points, Spaced repetition flashcards, Interactive mind maps, Feynman Test Mode, Contextual AI chat, Cross-device sync

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Briefly AI weekly pro access | $8.99 | per 7 days |
| Briefly AI monthly Pro access | $17.99 | per month |
| Yearly Pro Accesss Promo | $49.99 | per year |
| Briefly AI yearly pro access | $89.99 | per year |


### LectureLens

[App page](https://appshunter.io/ios/app/lecturelens-ai-study-buddy/id6746423331)

This AI-powered app transforms live recordings and uploaded files into study materials like flashcards, tests, and notes. It offers structured study sessions to enhance learning and save time. Optimize your revision with personalized, digestible content.

**Highlights:** AI-generated notes, Practice tests, Flashcard creation, Study guides, Related YouTube videos, Upload various file types, Structured study sessions

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Silver | $9.99 | per month |
| Gold | $19.99 | per month |


## Frequently asked questions

### Is Note, Feynman | Briefly AI free?

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

### Is LectureLens free?

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

### Which has better reviews, Note, Feynman | Briefly AI or LectureLens?

Note, Feynman | Briefly AI and LectureLens are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.

### Do Note, Feynman | Briefly AI or LectureLens have ads?

Neither Note, Feynman | Briefly AI nor LectureLens shows ads.

### Which is updated more often, Note, Feynman | Briefly AI or LectureLens?

Note, Feynman | Briefly AI ships an update every 8 days, and LectureLens every 4 days. Most recently, Note, Feynman | Briefly AI was updated on October 5, 2026 and LectureLens 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.*