# DOHzel vs Lumen

The clearest difference is review sentiment: Lumen at 100% against DOHzel's 50%. Lumen also leads on rating (5.0 vs 3.3). DOHzel's advantage is device support (3 vs 1) and iOS requirement (14.0 vs 18.0). On price, ratings volume, 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 3.3. Both are backed by a comparable volume of ratings — 3 and 4 respectively. Written reviews point the same way: 50% of DOHzel's written reviews are positive against 100% of Lumen's.

## The numbers

| Metric | DOHzel | Lumen |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.3 (3 ratings)](https://appshunter.io/ios/app/dohzel/id6471498037/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/lumen-knowledge-browser/id6762682475/reviews)** |
| Number of ratings | 3 | **4** |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 2 weeks |
| Monetization | Free | Free |
| Size | 4 MB | 28 MB |
| Requires iOS | **14.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Hafnova SA](https://appshunter.io/developer/1772723673) | [Daniel Kosukhin](https://appshunter.io/developer/1852657475) |

## What reviewers say

### DOHzel

[App page](https://appshunter.io/ios/app/dohzel/id6471498037)

This app provides real-time threat detection and web protection to safeguard your device from viruses, adware, and espionage attempts. It also enhances privacy by cleaning sensitive information, ensuring your personal data remains secure while browsing.

**Highlights:** Real-time threat detection, Web threat protection, Proactive adware defense, Privacy enhancement, Virus scanning

**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 DOHzel free?

DOHzel 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, DOHzel or Lumen?

Lumen is rated higher. DOHzel averages 3.3 out of 5 from 3 ratings, while Lumen averages 5.0 from 4 ratings.

### Do DOHzel or Lumen have ads?

Neither DOHzel nor Lumen shows ads.

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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.*