# JSON Designer vs Logseq

The clearest difference is rating: Logseq at 4.4 against JSON Designer's 3.3. Logseq also leads on in-app purchases (none vs 1) and update cadence (every 3 weeks vs every 4 months). JSON Designer's advantage is iOS requirement (11.0 vs 14.0). On price, review sentiment, ads and device support there is nothing between them.

Both are free to download. JSON Designer sells 1 in-app purchase, starting at $1.99 per month. Logseq asks for nothing beyond the download.

Logseq holds the better App Store score, 4.4 against 3.3. That said, the two scores are not equally well evidenced: Logseq has 252 ratings behind it against 10, so its average is the more settled of the two. Written reviews point the same way: 52% of JSON Designer's written reviews are positive against 59% of Logseq's.

JSON Designer ships an update every 4 months, Logseq every 3 weeks. The most recent releases landed on October 8, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | JSON Designer | Logseq |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.3 (10 ratings)](https://appshunter.io/ios/app/json-designer/id432736126/reviews) | **[4.4 (252 ratings)](https://appshunter.io/ios/app/logseq/id1601013908/reviews)** |
| Number of ratings | 10 | **252** |
| Positive reviews | 52.0% of reviews | **58.7% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 10 MB | 62 MB |
| Requires iOS | **11.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Cribster](https://appshunter.io/developer/388203112) | [Logseq Inc.](https://appshunter.io/developer/1597272547) |

## What reviewers say

### JSON Designer

[App page](https://appshunter.io/ios/app/json-designer/id432736126)

Visually model and design JSON structures with this intuitive tool. Generate code from your models and export diagrams for documentation. Ideal for developers who want to understand and represent APIs more effectively.

**Highlights:** Graphically model JSON structures, Export JSON models as images, Reverse-generate models from JSON, Browse API examples, Generate Protocol Buffers (.proto), Includes tutorial and open-in functionality

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| App Backer - Code Generators Access | $1.99 | per month |


### 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 JSON Designer free?

JSON Designer is free to download, with in-app purchases available.

### Is Logseq free?

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

### Which has better reviews, JSON Designer or Logseq?

Logseq is rated higher. JSON Designer averages 3.3 out of 5 from 10 ratings, while Logseq averages 4.4 from 252 ratings.

### Do JSON Designer or Logseq have ads?

Neither JSON Designer nor Logseq shows ads.

### Which is updated more often, JSON Designer or Logseq?

JSON Designer ships an update every 4 months, and Logseq every 3 weeks. Most recently, JSON Designer was updated on October 8, 2026 and Logseq on October 7, 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.*