# MemNote vs Lumen

The clearest difference is ratings volume: Lumen at 4 against MemNote's 1. MemNote's advantage is device support (4 vs 1) and iOS requirement (15.6 vs 18.0). On price, rating, review sentiment and update cadence 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 MemNote against 5.0 for Lumen. Both are backed by a comparable volume of ratings — 1 and 4 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on September 15, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | MemNote | Lumen |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/memnote-context-aware-memory/id6758226237/reviews) | [5.0 (4 ratings)](https://appshunter.io/ios/app/lumen-knowledge-browser/id6762682475/reviews) |
| Number of ratings | 1 | **4** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | Every 2 weeks |
| Monetization | Free | Free |
| Size | 74 MB | 28 MB |
| Requires iOS | **15.6** | 18.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Random Fact](https://appshunter.io/developer/1871609669) | [Daniel Kosukhin](https://appshunter.io/developer/1852657475) |

## What reviewers say

### MemNote

[App page](https://appshunter.io/ios/app/memnote-context-aware-memory/id6758226237)

This app automatically anchors your notes to the time, place, and device they were created on, enabling recall through association. It offers a fast, mobile-first experience with offline reliability and cross-platform synchronization.

**Highlights:** Automatic context logging (location, time, device), Recall via association (map and timeline views), Local-first, private, and cloud-synced notes, Markdown native with AI compatibility, Cross-platform synchronization, Fast startup and offline-first reliability

**Features:** 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 MemNote free?

MemNote 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, MemNote or Lumen?

MemNote and Lumen are both rated 5.0 out of 5 on the App Store, from 1 and 4 ratings respectively.

### Do MemNote or Lumen have ads?

Neither MemNote nor Lumen shows ads.

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

MemNote ships an update every 2 weeks, and Lumen every 2 weeks. Most recently, MemNote was updated on September 15, 2026 and Lumen on September 28, 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.*