# DarkPDF vs Logseq

The clearest difference is price: Logseq at Free against DarkPDF's $0.99. Logseq also leads on ratings volume (252 vs 27) and review sentiment (59% vs 47%). DarkPDF's advantage is update cadence (every 4 days vs every 3 weeks). On rating, ads, in-app purchases and device support there is nothing between them.

Logseq is free to download; DarkPDF costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 4.3 for DarkPDF against 4.4 for Logseq. That said, the two scores are not equally well evidenced: Logseq has 252 ratings behind it against 27, so its average is the more settled of the two. Written reviews are what separate them: 47% of DarkPDF's written reviews are positive against 59% of Logseq's.

DarkPDF ships an update every 4 days, Logseq every 3 weeks. The most recent releases landed on September 21, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | DarkPDF | Logseq |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [4.3 (27 ratings)](https://appshunter.io/ios/app/darkpdf/id1487657766/reviews) | **[4.4 (252 ratings)](https://appshunter.io/ios/app/logseq/id1601013908/reviews)** |
| Number of ratings | 27 | **252** |
| Positive reviews | 47.1% of reviews | **58.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 3 weeks |
| Monetization | Paid | **Free** |
| Size | 3 MB | 62 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Numathic](https://appshunter.io/developer/1000499318) | [Logseq Inc.](https://appshunter.io/developer/1597272547) |

## What reviewers say

### DarkPDF

[App page](https://appshunter.io/ios/app/darkpdf/id1487657766)

This app allows you to read PDF documents in dark mode, inverting text and background colors to reduce eye strain. It also offers the ability to compress margins and blank spaces for a larger text display.

**Highlights:** Dark mode PDF reading, Invert text and background, Larger text display, Margin compression, Cross-platform compatibility (macOS & iOS)

**Features:** Vision Pro support

**In-app purchases:** none


### Logseq

[App page](https://appshunter.io/ios/app/logseq/id1601013908)

This open-source outliner helps you write, organize, and share your thoughts using local Markdown and Org-mode files. Manage tasks, build a digital garden, and integrate with various services for enhanced productivity.

**Highlights:** Backlinks, Knowledge Graph, Page and block references, Tasks & Todos, SRS Cards, Zotero integration, Audio recorder

**In-app purchases:** none

**What reviewers like**

- 🚀 Powerful note-taking features
- 👍 Intuitive interface
- 🔒 Local data storage
- 💡 Unique folderless structure
- 🚀 Efficient for daily note-taking

**What reviewers complain about**

- 🐛 Sync issues and data loss
- 🔍 Confusing mobile navigation
- 🔍 Lack of plugin support on mobile
- 🔍 Sluggish performance on older devices
- 🔍 Limited sync options (only iCloud)

**Reported bugs**

- Sync issues leading to data loss
- Inconsistent behavior when creating new blocks
- Cursor jumping issues when editing text
- Disappearing UI elements on mobile

**Requested features**

- Add support for other cloud storage options (Dropbox, Google Drive, etc.)
- Improve mobile UI and UX for better usability
- Implement plugin support on mobile
- Optimize performance for older devices


## Frequently asked questions

### Is DarkPDF free?

DarkPDF costs $0.99, with no in-app purchases.

### Is Logseq free?

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

### Which has better reviews, DarkPDF or Logseq?

Logseq is rated higher. DarkPDF averages 4.3 out of 5 from 27 ratings, while Logseq averages 4.4 from 252 ratings.

### Do DarkPDF or Logseq have ads?

Neither DarkPDF nor Logseq shows ads.

### Which is updated more often, DarkPDF or Logseq?

DarkPDF ships an update every 4 days, and Logseq every 3 weeks. Most recently, DarkPDF was updated on September 21, 2026 and Logseq on September 19, 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.*