# REST API Client vs Simple WebSocket Client

The clearest difference is rating: Simple WebSocket Client at 5.0 against REST API Client's 4.3. Simple WebSocket Client also leads on in-app purchases (none vs 1). REST API Client's advantage is update cadence (every 3 weeks vs every 3 months) and ratings volume (6 vs 1). On price and ads there is nothing between them.

Both are free to download. REST API Client sells 1 one-off in-app purchase. Simple WebSocket Client asks for nothing beyond the download.

Simple WebSocket Client holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: REST API Client has 6 ratings behind it against 1, so its average is the more settled of the two.

REST API Client ships an update every 3 weeks, Simple WebSocket Client every 3 months. The most recent releases landed on September 21, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | REST API Client | Simple WebSocket Client |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (6 ratings)](https://appshunter.io/ios/app/rest-api-client/id1583154375/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/simple-websocket-client/id6448638174/reviews)** |
| Number of ratings | **6** | 1 |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 17 MB | 26 MB |
| Requires iOS | **14.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Tevon Wallace](https://appshunter.io/developer/1427833594) | [Yuya Asamura](https://appshunter.io/developer/1184558977) |

## 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 |


### Simple WebSocket Client

[App page](https://appshunter.io/ios/app/simple-websocket-client/id6448638174)

Connect to WebSocket servers with customizable HTTP headers. Save successful connections for easy access and review. This tool is designed for developers needing to test WebSocket endpoints.

**Highlights:** WebSocket client functionality, Add custom HTTP headers, Save successful connections, Review connection history, Developer tool

**In-app purchases:** none


## Frequently asked questions

### Is REST API Client free?

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

### Is Simple WebSocket Client free?

Simple WebSocket Client is free to download, with no in-app purchases.

### Which has better reviews, REST API Client or Simple WebSocket Client?

Simple WebSocket Client is rated higher. REST API Client averages 4.3 out of 5 from 6 ratings, while Simple WebSocket Client averages 5.0 from 1 ratings.

### Do REST API Client or Simple WebSocket Client have ads?

Both REST API Client and Simple WebSocket Client show ads.

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

REST API Client ships an update every 3 weeks, and Simple WebSocket Client every 3 months. Most recently, REST API Client was updated on September 21, 2026 and Simple WebSocket Client on September 22, 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.*