Best API alternatives: apps like API-Client Testing

10+ similar apps compared and reviewed

4.1 avg rating

9 free apps

Updated October 2026

API-Client Testing

Hoang Son Dinh

🛠️ Developer Tools

API is great, but it's not the only option. Explore 10+ similar apps for iPhone and iPad, each reviewed and rated by real users. Find free alternatives, premium upgrades, and hidden gems.

Top Alternatives to API

#1

API Tester ‎ by Hrishi Suthar

Test APIs

Editor's Choice

0.0(0 ratings)

Free

API Tester ‎ screenshot 1

API Tester ‎ screenshot 2

API Tester ‎ screenshot 3

API Tester ‎ screenshot 4

API Tester ‎ screenshot 5

API Tester ‎ screenshot 6

This tool simplifies API testing for developers and enthusiasts. Organize requests, customize headers and parameters, and send various body types. Supports flexible authentication and allows sharing of test collections.

#2

iCurlHTTP by Jason Cox

Strong Contender

4.4(30 ratings)

Free

iCurlHTTP screenshot 1

iCurlHTTP screenshot 2

iCurlHTTP screenshot 3

iCurlHTTP screenshot 4

iCurlHTTP screenshot 5

iCurlHTTP screenshot 6

Test web server responses with cURL-like functionality on your iPhone or iPad. Simulate various browsers and inspect raw HTTP headers and HTML. Analyze network performance with detailed timing information.

#3

Postgres Client by SQLPro by Hankinsoft Development Inc

PostgreSQL client database

Worth Considering

4.0(32 ratings)

FreeIn-App Purchases

Postgres Client by SQLPro screenshot 1

Postgres Client by SQLPro screenshot 2

Postgres Client by SQLPro screenshot 3

Postgres Client by SQLPro screenshot 4

Postgres Client by SQLPro screenshot 5

Access and manage PostgreSQL databases with this powerful client. Features include SQL autocompletion, syntax highlighting, and a tabbed interface for efficient query execution. Supports cloud services and SSH tunneling.

More apps like API

MySQL QueryDB Client

MySQL QueryDB Client

MySQL QueryDB Client

MySQL/MariaDB Mobile client

Remotely query MySQL and MariaDB databases from your mobile device. Optimized for unreliable networks, it handles large tables and supports Siri Shortcuts for efficient data access and export.

Parameterized queriesOptimized for low-quality networksQuery-oriented workflow

free with in-app purchases

Compare with API

Websites and pages monitoring

Monitor your websites and web servers with automated checks for responses and content. Configure various checks like HTTP status codes, headers, and content using CSS selectors or custom JavaScript. Includes DNS, GeoIP, and Whois tools for comprehensive web analysis.

Automated HTTP status code checksHTTP header content verificationCSS selector-based content checks

free with in-app purchases

Compare with API

Compare with API

Supermicro IPMIView

Supermicro IPMIView

Supermicro IPMIView

by Super Micro Computer, Inc.

This application allows companies to remotely manage Supermicro server products. It supports standard IPMI commands and KVM, offering features like group management, BMC information, and user administration. Easily monitor and control your server infrastructure with this utility.

Group Management, Search, Diagnosis, and SettingBMC Information and FunctionsIPMI Device and LAN Settings

Compare with API

Terminal - SFTP & SSH Client

Terminal - SFTP & SSH Client

Terminal - SFTP & SSH Client

Linux, Telnet & PuTTY manager

This advanced client provides developers with a streamlined way to manage Linux, SSH, Telnet, and SFTP connections. It offers features like AI assistance for server building, multi-tab management, and integrated editors to enhance productivity and simplify remote access.

SSH, Mosh, Telnet, Port Forwarding, SFTP supportAI chatbot for server building assistancePersonalized themes and fonts per connection

free with in-app purchases

Compare with API

LLM Local Client

LLM Local Client

LLM Local Client

Portable LLM on your mobile

Connect your mobile device to large language models hosted on your computer. This app provides a secure and convenient way to access powerful AI capabilities on the go, bridging the gap between your phone and local LLM servers. Unleash your productivity with seamless interaction.

Connects mobile to local LLM serversLightweight and easy setupSecure local network connection

Compare with API

Debugging Proxy

Capture and inspect network requests and responses directly on your iOS device. Debug networking issues without needing a computer. View detailed metadata, headers, and bodies, and even transfer sessions to a desktop for further analysis.

Capture network requests and responsesInspect metadata, headers, and bodiesSSL Proxying for plain text viewing

Compare with API