# DevTools+ vs JSON Viewer Pro

The clearest difference is price: DevTools+ at Free against JSON Viewer Pro's $2.99. DevTools+ also leads on iOS requirement (15.1 vs 17.0). JSON Viewer Pro's advantage is in-app purchases (none vs 2). On ads and device support there is nothing between them.

DevTools+ is free to download; JSON Viewer Pro costs $2.99 up front. DevTools+ sells 2 in-app purchases, starting at $1.99 per month. JSON Viewer Pro asks for nothing beyond the download.

## The numbers

| Metric | DevTools+ | JSON Viewer Pro |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 11 days | — |
| Monetization | Freemium | — |
| Size | 57 MB | 3 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Tosh Labs Private Limited](https://appshunter.io/developer/1880605120) | [晨 张](https://appshunter.io/developer/1893394478) |

## What reviewers say

### DevTools+

[App page](https://appshunter.io/ios/app/devtools-plus-dev-tools-and-code/id6759056096)

A comprehensive suite of developer tools for mobile devices. Quickly format, convert, decode, and test code with a vast collection of utilities. Designed for efficient local processing with no account required.

**Highlights:** JSON formatter, validator, and converter, API tester with REST, GraphQL, and cURL support, Regex tester and highlighter, JWT decoder and analysis, Base64 encoder/decoder, Timestamp and timezone conversion, Local-first data processing

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $1.99 | per month |
| Pro Annual | $19.99 | per year |


### JSON Viewer Pro

[App page](https://appshunter.io/ios/app/json-viewer-pro/id6797175683)

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

**In-app purchases:** none


## Frequently asked questions

### Is DevTools+ free?

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

### Is JSON Viewer Pro free?

JSON Viewer Pro costs $2.99, with no in-app purchases.

### Do DevTools+ or JSON Viewer Pro have ads?

Neither DevTools+ nor JSON Viewer Pro shows ads.

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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.*