# Lumen vs Habit Craft Master

The clearest difference is in-app purchases: Lumen at none against Habit Craft Master's 2. Lumen also leads on ads (none vs shown). Habit Craft Master's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 18.0). On price and update cadence there is nothing between them.

Both are free to download. Habit Craft Master sells 2 in-app purchases, starting at $19.99 per year. Lumen asks for nothing beyond the download.

Lumen ships an update every 2 weeks, Habit Craft Master every 10 days. The most recent releases landed on October 14, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Lumen | Habit Craft Master |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/lumen-knowledge-browser/id6762682475/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 weeks | **Every 10 days** |
| Monetization | Free | — |
| Size | 28 MB | 61 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Daniel Kosukhin](https://appshunter.io/developer/1852657475) | [md robiul islam](https://appshunter.io/developer/1840936788) |

## 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


### Habit Craft Master

[App page](https://appshunter.io/ios/app/habit-craft-master-atom/id6808446444)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Yearly Premium Subscription | $19.99 | per year |
| Lifetime Pro Access | $49.99 | one-time |


## Frequently asked questions

### Is Lumen free?

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

### Is Habit Craft Master free?

Habit Craft Master is free to download, with in-app purchases available.

### Do Lumen or Habit Craft Master have ads?

Habit Craft Master shows ads; Lumen does not.

### Which is updated more often, Lumen or Habit Craft Master?

Lumen ships an update every 2 weeks, and Habit Craft Master every 10 days. Most recently, Lumen was updated on October 14, 2026 and Habit Craft Master on October 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.*