# Logseq vs HTML Previewer

The clearest difference is price: Logseq at Free against HTML Previewer's $5.99. Logseq also leads on iOS requirement (14.0 vs 17.0). HTML Previewer's advantage is update cadence (every 4 days vs every 3 weeks). On ads, in-app purchases and device support there is nothing between them.

Logseq is free to download; HTML Previewer costs $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Logseq ships an update every 3 weeks, HTML Previewer every 4 days. The most recent releases landed on October 7, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Logseq | HTML Previewer |
| --- | --- | --- |
| Price | **Free** | $5.99 |
| Rating | **[4.4 (252 ratings)](https://appshunter.io/ios/app/logseq/id1601013908/reviews)** | — |
| Number of ratings | **252** | — |
| Positive reviews | 58.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 4 days** |
| Monetization | Free | — |
| Size | 62 MB | 9 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Logseq Inc.](https://appshunter.io/developer/1597272547) | [SHIFENG ZHANG](https://appshunter.io/developer/1886637404) |

## What reviewers say

### 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


### HTML Previewer

[App page](https://appshunter.io/ios/app/html-previewer/id6785794966)

**In-app purchases:** none


## Frequently asked questions

### Is Logseq free?

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

### Is HTML Previewer free?

HTML Previewer costs $5.99, with no in-app purchases.

### Do Logseq or HTML Previewer have ads?

Neither Logseq nor HTML Previewer shows ads.

### Which is updated more often, Logseq or HTML Previewer?

Logseq ships an update every 3 weeks, and HTML Previewer every 4 days. Most recently, Logseq was updated on October 7, 2026 and HTML Previewer on October 11, 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.*