# REST API Client vs Retool Mobile

The clearest difference is rating: REST API Client at 4.3 against Retool Mobile's 3.5. Retool Mobile's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price, update cadence, monetization model and device support there is nothing between them.

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

REST API Client holds the better App Store score, 4.3 against 3.5. Both are backed by a comparable volume of ratings — 6 and 24 respectively.

REST API Client ships an update every 3 weeks, Retool Mobile fortnightly. The most recent releases landed on September 21, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | REST API Client | Retool Mobile |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (6 ratings)](https://appshunter.io/ios/app/rest-api-client/id1583154375/reviews)** | [3.5 (24 ratings)](https://appshunter.io/ios/app/retool-mobile/id1586183808/reviews) |
| Number of ratings | 6 | **24** |
| Positive reviews | — | 75.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | Free with in-app purchases | Freemium |
| Best chart rank | — | **#171** |
| Size | 17 MB | 124 MB |
| Requires iOS | **14.0** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tevon Wallace](https://appshunter.io/developer/1427833594) | [Retool, Inc.](https://appshunter.io/developer/1586183810) |

## 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 |


### Retool Mobile

[App page](https://appshunter.io/ios/app/retool-mobile/id1586183808)

**Currently charting:** #171 Top Free · Developer Tools (US App Store)

Access custom-built native mobile applications designed for field teams. These apps integrate with your existing databases and APIs, enabling faster business operations. Build and deploy powerful tools for inspections, inventory, asset management, and more.

**Highlights:** Build native mobile apps, Use SQL and JavaScript, Pre-built React Native components, Customizable business logic, Connect to any database or API, Field inspection forms, Inventory and asset management

**Features:** Vision Pro support

**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 Retool Mobile free?

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

### Which has better reviews, REST API Client or Retool Mobile?

REST API Client is rated higher. REST API Client averages 4.3 out of 5 from 6 ratings, while Retool Mobile averages 3.5 from 24 ratings.

### Do REST API Client or Retool Mobile have ads?

REST API Client shows ads; Retool Mobile does not.

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

REST API Client ships an update every 3 weeks, and Retool Mobile fortnightly. Most recently, REST API Client was updated on September 21, 2026 and Retool Mobile on September 23, 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.*