# JSON Tree vs VisuStruct

The clearest difference is price: VisuStruct at Free against JSON Tree's $1.99. VisuStruct also leads on review sentiment (33% vs 0%) and update cadence (every 4 days vs every 3 weeks). JSON Tree's advantage is device support (4 vs 2) and iOS requirement (15.6 vs 17.0). On ads and in-app purchases there is nothing between them.

VisuStruct is free to download; JSON Tree costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

JSON Tree ships an update every 3 weeks, VisuStruct every 4 days. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | JSON Tree | VisuStruct |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Positive reviews | 0.0% of reviews | **33.3% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 4 days** |
| Monetization | Paid | **Free** |
| Size | 2 MB | 3 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [金攀 虞](https://appshunter.io/developer/1674729630) | [Holger Sebastiao](https://appshunter.io/developer/1755040360) |

## What reviewers say

### JSON Tree

[App page](https://appshunter.io/ios/app/json-tree/id6702017445)

This app provides a lightweight way to view and format JSON data. It offers features like collapsing nodes, exporting type declarations for various languages, and handling large files efficiently with lazy loading. Seamless system integration and customizable themes enhance the user experience.

**Highlights:** JSON tree structure preview, Export type declarations (Java, TS, Go), Collapse and expand nodes, Lazy loading for large files, Smart copying of JSON objects, Drag and drop support, Customizable themes and font sizes

**Features:** Safari Extension, Vision Pro support

**In-app purchases:** none


### VisuStruct

[App page](https://appshunter.io/ios/app/visustruct/id6761957046)

Visually create algorithms using drag-and-drop structured diagrams. Watch your logic execute step-by-step with an integrated simulator, then automatically generate code. This tool focuses on programming logic before syntax, ideal for learning.

**Highlights:** Visual algorithm creation with drag-and-drop, Nassi-Shneiderman diagram support, Automatic code generation, Step-by-step algorithm simulation, Focus on logic before syntax, Clean, distraction-free interface

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is JSON Tree free?

JSON Tree costs $1.99, with no in-app purchases.

### Is VisuStruct free?

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

### Do JSON Tree or VisuStruct have ads?

Neither JSON Tree nor VisuStruct shows ads.

### Which is updated more often, JSON Tree or VisuStruct?

JSON Tree ships an update every 3 weeks, and VisuStruct every 4 days. Most recently, JSON Tree was updated on October 27, 2026 and VisuStruct on October 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*