# Structly vs Clayshell

The clearest difference is in-app purchases: Clayshell at none against Structly's 3. Clayshell also leads on update cadence (every 5 days vs fortnightly). On price, ads, device support and iOS requirement there is nothing between them.

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

Structly ships an update fortnightly, Clayshell every 5 days. The most recent releases landed on November 3, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Structly | Clayshell |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (4 ratings)](https://appshunter.io/ios/app/structly-json-formatter/id6753774575/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 5 days** |
| Monetization | Free | — |
| Size | 10 MB | 12 MB |
| Requires iOS | **17.6** | 18.0 |
| Devices | **iPhone, iPad, Mac** | iPhone, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Chen He](https://appshunter.io/developer/1843281784) | [Arvind Kumar](https://appshunter.io/developer/1811165108) |

## What reviewers say

### 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, iPhone Duo 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 |


### Clayshell

[App page](https://appshunter.io/ios/app/clayshell/id6819172609)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Structly free?

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

### Is Clayshell free?

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

### Do Structly or Clayshell have ads?

Neither Structly nor Clayshell shows ads.

### Which is updated more often, Structly or Clayshell?

Structly ships an update fortnightly, and Clayshell every 5 days. Most recently, Structly was updated on November 3, 2026 and Clayshell on October 29, 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.*