# REST API Client vs API Zen

The clearest difference is ads: API Zen at none against REST API Client's shown. REST API Client's advantage is update cadence (every 3 weeks vs every 2 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. REST API Client sells 1 one-off in-app purchase and API Zen sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

REST API Client ships an update every 3 weeks, API Zen every 2 months. The most recent releases landed on September 21, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | REST API Client | API Zen |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (6 ratings)](https://appshunter.io/ios/app/rest-api-client/id1583154375/reviews)** | — |
| Number of ratings | **6** | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 17 MB | 7 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tevon Wallace](https://appshunter.io/developer/1427833594) | [Jaseem Valiya Valappil](https://appshunter.io/developer/1714873997) |

## What reviewers say

### REST API Client

[App page](https://appshunter.io/ios/app/rest-api-client/id1583154375)

This tool allows users to send and analyze API requests with customizable parameters, authorization, and body content. It offers robust search and filtering capabilities for managing saved requests, optimized for iPadOS with keyboard support.

**Highlights:** Send and analyze API requests, Customize query parameters, authorization, and headers, Support for four body types, Search and filter requests, Create, save, update, and delete requests, Optimized for iPadOS with keyboard support

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |


### API Zen

[App page](https://appshunter.io/ios/app/api-zen/id6471152115)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Thanks | $3.99 | one-time |
| Thank you | $5.99 | one-time |
| Thank you very much | $7.99 | one-time |


## Frequently asked questions

### Is REST API Client free?

REST API Client is free to download, with in-app purchases available.

### Is API Zen free?

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

### Do REST API Client or API Zen have ads?

REST API Client shows ads; API Zen does not.

### Which is updated more often, REST API Client or API Zen?

REST API Client ships an update every 3 weeks, and API Zen every 2 months. Most recently, REST API Client was updated on September 21, 2026 and API Zen on October 2, 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.*