# Wisen vs Lumen

The clearest difference is review sentiment: Lumen at 100% against Wisen's 0%. Lumen also leads on rating (5.0 vs 3.0) and ratings volume (4 vs 1). On price, update cadence, ads and in-app purchases there is nothing between them.

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

Lumen holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 1 and 4 respectively. Written reviews point the same way: 0% of Wisen's written reviews are positive against 100% of Lumen's.

Wisen ships an update every 6 days, Lumen every 2 weeks. The most recent releases landed on October 6, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Wisen | Lumen |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (1 ratings)](https://appshunter.io/ios/app/wisen-ai-notes-and-knowledge/id6760642726/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/lumen-knowledge-browser/id6762682475/reviews)** |
| Number of ratings | 1 | **4** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 days** | Every 2 weeks |
| Monetization | Free | Free |
| Size | 21 MB | 28 MB |
| Requires iOS | 18.0 | 18.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [DARIA LENSKAJA](https://appshunter.io/developer/1885471826) | [Daniel Kosukhin](https://appshunter.io/developer/1852657475) |

## What reviewers say

### Wisen

[App page](https://appshunter.io/ios/app/wisen-ai-notes-and-knowledge/id6760642726)

This app intelligently analyzes your notes to surface forgotten ideas, patterns, and unresolved questions. It offers daily digests, AI-powered chat for querying your notes, and visual knowledge mapping. Learn and retain information effectively through spaced repetition.

**Highlights:** AI-powered idea surfacing, Daily note digests, AI chat for note queries, Visual knowledge mapping, Spaced repetition learning, PDF, image, and voice import

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Wisen free?

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

### Is Lumen free?

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

### Which has better reviews, Wisen or Lumen?

Lumen is rated higher. Wisen averages 3.0 out of 5 from 1 ratings, while Lumen averages 5.0 from 4 ratings.

### Do Wisen or Lumen have ads?

Neither Wisen nor Lumen shows ads.

### Which is updated more often, Wisen or Lumen?

Wisen ships an update every 6 days, and Lumen every 2 weeks. Most recently, Wisen was updated on October 6, 2026 and Lumen on October 14, 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.*