Best API Testing Tool alternatives: apps like API Testing Tool

10+ similar apps compared and reviewed

3.4 avg rating
5 free apps
Updated November 2026

Whether you want more options like API Testing Tool or a completely different take on the same concept, our curated list of 10+ similar apps has you covered. Updated for 2026 with the latest ratings and comparisons.

Top Alternatives to API Testing Tool

Slec – SSL/TLS Monitor#3

Slec – SSL/TLS Monitor by Marco Tini

Certificate expiry alerts
Worth Considering
🛠️ Developer Tools
1.0(1 ratings)
FreeIn-App Purchases
Slec – SSL/TLS Monitor screenshot 1
Slec – SSL/TLS Monitor screenshot 2
Slec – SSL/TLS Monitor screenshot 3
Slec – SSL/TLS Monitor screenshot 4
Slec – SSL/TLS Monitor screenshot 5

This tool monitors your website's SSL/TLS certificates, providing timely alerts before expiration. It operates entirely on your device for maximum privacy and security, with no account or registration required.

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Design cohesive color palettes for Xcode projects. Generate .xcassets files with various shades and dark theme variants to ensure harmonious and professional-looking results. Streamline your design workflow and maintain color consistency.

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Python Code Develop
Python Code Develop
Python Code Develop
Full Coding Environment
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This app provides a full coding environment on your mobile device, allowing you to clone repositories, run Python and mixed-language projects offline, and utilize a complete Linux container with essential development tools. It offers a desktop-level experience for both beginners and experienced programmers.

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CUTE: Current Unix Time Epoch
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CUTE: Current Unix Time Epoch
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Instantly convert human-readable dates to Unix timestamps and vice versa with precision. Ideal for developers and tech professionals needing fast, accurate time conversions across multiple time zones. Features include real-time conversion, presets, and copy-to-clipboard functionality.

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Logo Maker, App icon Generator
Logo Maker, App icon Generator
Logo Maker, App icon Generator
Generate icon & Logo with AI
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Easily create custom app icons in multiple sizes for various Apple platforms. Generate icons for iOS, watchOS, and macOS applications with a simple tool.

Generate multiple icon sizesExport for iOSExport for watchOS
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Rust IDE - Minimal Code
Rust IDE - Minimal Code
Rust IDE - Minimal Code
Use Rust anytime, anywhere
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Container Express
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Access to Your Docker Engine
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This app allows you to manage your Docker engine, inspect containers, view live logs, and access a full exec terminal. It also provides insights into your Docker host's hardware resources and includes an SSH tunnel. It is a premium application requiring a subscription or lifetime unlock.

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iKeleton OSC
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Capture & send skeleton data
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This app captures body tracking data and transmits it to other devices via OSC. It's ideal for creating multimedia content by integrating motion data with various devices. Requires an A12 Bionic processor or newer for body tracking.

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