Best Api Debugger Apps

217+ iOS apps curated and reviewed

4.4 avg rating
19 free apps
Updated June 2026

Every iPhone needs a few good api debugger apps. We benchmark 217+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.

Top Picks for Api Debugger

API Debugger#1

API Debugger by Guilin Cui

Editor's Choice
📊 Productivity
3.0(1 ratings)
Free
API Debugger screenshot 1
API Debugger screenshot 2
API Debugger screenshot 3
API Debugger screenshot 4
API Debugger screenshot 5

Debug and analyze API response data with this tool, helping you identify and fix issues efficiently. Try it now to streamline your API development and testing process.

HTTPBot: API & HTTP Client#2

HTTPBot: API & HTTP Client by Arvindh Sukumar

Make Requests, Debug APIs
Strong Contender
🛠️ Developer Tools
4.3😐(85 ratings)
FreeIn-App Purchases
HTTPBot: API & HTTP Client screenshot 1
HTTPBot: API & HTTP Client screenshot 2
HTTPBot: API & HTTP Client screenshot 3
HTTPBot: API & HTTP Client screenshot 4
HTTPBot: API & HTTP Client screenshot 5
HTTPBot: API & HTTP Client screenshot 6

HTTPBot is a powerful application for managing HTTP requests with advanced features. Simplify your web development tasks with this all-in-one tool for sending and receiving HTTP requests effortlessly. Try it now for seamless HTTP client functionality.

What We Love

  • 🚀 Intuitive interface
  • 👍 Postman integration
  • 🚀 Powerful HTTP client
  • 👍 Great tool for API testing

Room to Improve

  • 🐛 Crashes and bugs
  • 🔒 Lacks security features (e.g., client certificates)
  • 💰 Expensive for the limited free version
Reqable#3

Reqable by Shanghai Reqable Technology Co., Ltd.

Advanced API Debugging Proxy
Worth Considering
🔧 Utilities
4.7(6 ratings)
FreeIn-App Purchases
Reqable screenshot 1
Reqable screenshot 2
Reqable screenshot 3
Reqable screenshot 4
Reqable screenshot 5
Reqable screenshot 6

This application is an advanced API debugging and testing solution that allows users to inspect HTTP/HTTPS traffic, find and localize issues easily, and perform various actions on the traffic. It offers features such as traffic inspection, REST testing, and collaboration modes, making it a one-stop solution for simplifying and speeding up work; try it out today!

More Api Debugger apps to explore

4
Packet Capture Pro: HTTPS
Packet Capture Pro: HTTPS
Packet Capture Pro: HTTPS
Advanced HTTP/HTTPS Debugger
Free

Capture and analyze network traffic in real-time with a user-friendly interface, allowing for HTTPS decryption and full HTTP/HTTPS inspection. Download to start monitoring and debugging network traffic on your PC or phone.

🛠️ Developer Tools
(0)
5
API Bot
API Bot
API Bot
API calls at your fingertips
Free

This mobile application helps developers build and test APIs on-the-go, utilizing machine learning to analyze API responses, identify patterns, and detect potential problems. With its user-friendly interface, developers can create, save, and share API requests, work with data, and stay organized, all from their phone.

🛠️ Developer Tools
(1)
6
Postmon - Rest API Client
Postmon - Rest API Client
Postmon - Rest API Client
HTTP API Client
Free
🛠️ Developer Tools
(0)
7
Teste - API, Scripts, Terminal
Teste - API, Scripts, Terminal
Teste - API, Scripts, Terminal
Developer Workspace
Free

Experience seamless API testing with our innovative tool that lets you create, edit, and run scripts effortlessly. Test your APIs with precision and ease - try it now!

🛠️ Developer Tools
(496)
8
Bluetooth Debugger & Inspector
Bluetooth Debugger & Inspector
Bluetooth Debugger & Inspector
Detector & Manager Devices
Free

This application helps you discover and manage nearby Bluetooth devices, inspect their services, and debug connections. It offers a range of features, including device scanning, information reading and writing, and signal strength detection, making it a powerful tool for Bluetooth device management - try it out today!

🛠️ Developer Tools
(5)
9
Rest – HTTP API Client
Rest – HTTP API Client
Rest – HTTP API Client
Perform HTTP Requests
Free

Perform HTTP requests directly from your mobile device using an intuitive application. Support for various request types like JSON and Form. Experience seamless interaction with REST APIs on the go!

🛠️ Developer Tools
(88)
10
Python Coding Editor & IDE App
Python Coding Editor & IDE App
Python Coding Editor & IDE App
Compiler - Run & Learn Py 3
Free

Compile and execute Python code on the go with this app. Write, test, and run Python scripts easily from your mobile device. Download now to streamline your coding experience!

🛠️ Developer Tools
(2.2K)
11
conspy_ | Mobile Site Debugger
conspy_ | Mobile Site Debugger
conspy_ | Mobile Site Debugger
by NoteBuddy, Inc.
Free

This application enables website debugging for iOS devices, offering features such as source code viewing, requests logging, console logging, and storage logging, similar to debug mode in browsers like Chrome and Safari. Try it out to streamline your mobile site development and testing process.

🔧 Utilities
(8)
12
API-Client Testing
API-Client Testing
API-Client Testing
REST API
Free

Streamline your API testing with our comprehensive REST client application. This powerful tool allows you to effortlessly send HTTP/HTTPS requests, analyze responses, and manage your test history and collections, all from a user-friendly interface. Quickly customize connection settings and explore APIs with ease.

🔧 Utilities
(1)
13
API Tester REST API HTTP SOAP
API Tester REST API HTTP SOAP
API Tester REST API HTTP SOAP
Test your API Client HTTP.
Free

This comprehensive testing tool allows developers and QA engineers to test, debug, and analyze multiple API types and formats in a unified environment, supporting REST, GraphQL, WebSocket, SOAP, JSON RPC, and XML. With its user-friendly interface and versatile features, users can easily set up and execute API tests, automate repetitive tasks, and collaborate with teams to ensure robust and high-performing applications.

🛠️ Developer Tools
(10)
14
REST API Client
REST API Client
REST API Client
REST API and GraphQL Client
Free

This application allows users to send and analyze requests with detailed response headers and results, tailoring every request with various options. It enables users to organize, save, and manage requests efficiently, with features optimized for iPadOS devices, including keyboard support and shortcuts.

🛠️ Developer Tools
(5)
15
Web Inspector - code debugger
Web Inspector - code debugger
Web Inspector - code debugger
Mobile html javascript css xml
Free

This application allows you to retrieve and share HTML, CSS, and JavaScript code from web pages, particularly mobile pages, directly from your mobile device. Debug your web app by inspecting the source as if you were using a real mobile device browser.

🔧 Utilities
(30)
16
HTTP Debugger+
HTTP Debugger+
HTTP Debugger+
Debug PC's HTTP Traffic
$0.99
🛠️ Developer Tools
(0)
17
Debug Anywhere
Debug Anywhere
Debug Anywhere
Inspect web / DevTools
Free

Inspect and debug web pages easily with a versatile tool that offers developer options, UserAgent modification, JavaScript injection, network status checks, URL Scheme testing, and incognito mode. Improve your web development workflow with this all-in-one debugging solution.

🛠️ Developer Tools
(56)
18
API Pro
API Pro
API Pro
The Simplest API App
Free

This app helps users understand APIs by allowing them to interact with its core components and learn key concepts. Explore and play with APIs to grasp basic terms and concepts with this simple and intuitive tool.

📚 Education
(2)
19
DevInspect Browser
DevInspect Browser
DevInspect Browser
Web Inspector & DOM Debugger
Free
🛠️ Developer Tools
(0)
20
RestForge - API Client
RestForge - API Client
RestForge - API Client
REST API Client & Tester
Free

Send and manage API requests directly from your mobile device with a lightweight and powerful tool designed for developers and testers. Create and customize API requests, view request logs, and import API collections to continue testing on the go.

🛠️ Developer Tools
(0)