# CSI Pro vs ApiClient

The clearest difference is in-app purchases: CSI Pro at none against ApiClient's 1. CSI Pro also leads on ads (none vs shown) and iOS requirement (8.0 vs 16.0). ApiClient's advantage is update cadence (every 3 months vs every 12 months). On price and device support there is nothing between them.

Both are free to download. ApiClient sells 1 one-off in-app purchase. CSI Pro asks for nothing beyond the download.

CSI Pro ships an update every 12 months, ApiClient every 3 months. The most recent releases landed on October 3, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | CSI Pro | ApiClient |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/apiclient-rest-api-tester/id1595150293/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 12 months | **Every 3 months** |
| Monetization | — | Free with in-app purchases |
| Size | 9 MB | 17 MB |
| Requires iOS | **8.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Gernand van Ee](https://appshunter.io/developer/1511325419) | [Ajaykumar Valand](https://appshunter.io/developer/1595150295) |

## What reviewers say

### CSI Pro

[App page](https://appshunter.io/ios/app/csi-pro/id1511325420)

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

**In-app purchases:** none


### ApiClient

[App page](https://appshunter.io/ios/app/apiclient-rest-api-tester/id1595150293)

Test and manage REST APIs directly from your phone. Import, edit, and export Postman collections, send Firebase notifications, and format JSON requests on the go. Save API requests and responses for easy access and sharing.

**Highlights:** Create HTTP/HTTPS requests, Import/export Postman collections, Send Firebase notifications, Format JSON requests, Save and share API requests/responses, Manage API history

**In-app purchases (1)**

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


## Frequently asked questions

### Is CSI Pro free?

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

### Is ApiClient free?

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

### Do CSI Pro or ApiClient have ads?

ApiClient shows ads; CSI Pro does not.

### Which is updated more often, CSI Pro or ApiClient?

CSI Pro ships an update every 12 months, and ApiClient every 3 months. Most recently, CSI Pro was updated on October 3, 2026 and ApiClient on October 11, 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.*