# UI Components Playground vs Structly

The clearest difference is in-app purchases: UI Components Playground at none against Structly's 3. UI Components Playground also leads on update cadence (weekly vs monthly). On price, review sentiment, ads and device support there is nothing between them.

Both are free to download. Structly sells 3 one-off in-app purchases. UI Components Playground asks for nothing beyond the download.

UI Components Playground ships an update weekly, Structly monthly. The most recent releases landed on October 18, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | UI Components Playground | Structly |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (4 ratings)](https://appshunter.io/ios/app/structly-json-formatter/id6753774575/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Monthly |
| Monetization | Paid | **Free** |
| Size | 17 MB | 10 MB |
| Requires iOS | 18.0 | **17.6** |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Hemal Modi](https://appshunter.io/developer/1522352514) | [Chen He](https://appshunter.io/developer/1843281784) |

## What reviewers say

### UI Components Playground

[App page](https://appshunter.io/ios/app/ui-components-playground/id6747465649)

Explore and interact with native UI components for iOS. This app serves as a collaboration tool for executives, designers, and product teams to ensure design and engineering alignment with real-time fidelity.

**Highlights:** Live native UI elements, Modern liquid glass aesthetic, Design-to-development clarity, Collaborative team tool, Presentation-friendly demos, Up-to-date with latest SDK

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Structly

[App page](https://appshunter.io/ios/app/structly-json-formatter/id6753774575)

This tool enhances your browsing experience by transforming raw JSON data into clear, readable views directly within Safari. It offers effortless formatting, advanced search, and versatile export options, all while prioritizing user privacy with on-device operation and no data collection.

**Highlights:** Effortless JSON formatting, Syntax highlighting and collapsible sections, Line numbers for reference, Offline operation, Search keys and values, Execute JSON Path queries, Export to JSON, YAML, or CSV, Customizable themes

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Tip | $0.99 | one-time |
| Medium Tip | $2.99 | one-time |
| Large Tip | $4.99 | one-time |


## Frequently asked questions

### Is UI Components Playground free?

UI Components Playground is free to download, with no in-app purchases.

### Is Structly free?

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

### Do UI Components Playground or Structly have ads?

Neither UI Components Playground nor Structly shows ads.

### Which is updated more often, UI Components Playground or Structly?

UI Components Playground ships an update weekly, and Structly monthly. Most recently, UI Components Playground was updated on October 18, 2026 and Structly on October 14, 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.*