# Lumen vs AI Note Taker & Recorder

The clearest difference is monetization model: Lumen at free against AI Note Taker & Recorder's free with in-app purchases. Lumen also leads on ratings volume (4 vs 1). AI Note Taker & Recorder's advantage is iOS requirement (15.0 vs 18.0). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for Lumen against 5.0 for AI Note Taker & Recorder. Both are backed by a comparable volume of ratings — 4 and 1 respectively.

Lumen ships an update every 2 weeks, AI Note Taker & Recorder weekly. The most recent releases landed on June 28, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | Lumen | AI Note Taker & Recorder |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (4 ratings)](https://appshunter.io/ios/app/lumen-knowledge-browser/id6762682475/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/ai-note-taker-and-recorder/id6780421761/reviews) |
| Number of ratings | **4** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Weekly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 28 MB | 8 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Daniel Kosukhin](https://appshunter.io/developer/1852657475) | [Onetapp Ltd](https://appshunter.io/developer/1766253034) |

## What reviewers say

### Lumen

[App page](https://appshunter.io/ios/app/lumen-knowledge-browser/id6762682475)

This app acts as a browser that remembers what you read, building a personal knowledge base from engaged pages. It allows you to ask questions in plain English about your reading history, with answers generated by an on-device AI. All your data remains private and offline.

**Highlights:** On-device AI knowledge base, Plain English questioning, Automatic content organization, Private and offline browsing, Tracker blocking, Source citation for answers

**In-app purchases:** none


### AI Note Taker & Recorder

[App page](https://appshunter.io/ios/app/ai-note-taker-and-recorder/id6780421761)

This app transforms audio recordings, files, and YouTube videos into concise, structured notes. It automatically transcribes speech, generates summaries, and extracts action items, saving you hours of manual work. Engage with your notes through AI chat and easily organize them in a library.

**Highlights:** Voice recording, Audio file import, YouTube video import, Automatic transcription, Short and detailed summaries, Action item extraction, AI chat for notes

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

**In-app purchases:** none


## Frequently asked questions

### Is Lumen free?

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

### Is AI Note Taker & Recorder free?

AI Note Taker & Recorder is free to download, with no in-app purchases.

### Which has better reviews, Lumen or AI Note Taker & Recorder?

Lumen and AI Note Taker & Recorder are both rated 5.0 out of 5 on the App Store, from 4 and 1 ratings respectively.

### Do Lumen or AI Note Taker & Recorder have ads?

Neither Lumen nor AI Note Taker & Recorder shows ads.

### Which is updated more often, Lumen or AI Note Taker & Recorder?

Lumen ships an update every 2 weeks, and AI Note Taker & Recorder weekly. Most recently, Lumen was updated on June 28, 2026 and AI Note Taker & Recorder on September 7, 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.*