Best Debugger Apps

249+ iOS apps curated and reviewed

4.4 avg rating
17 free apps
Updated August 2026

Finding the right debugger apps can be overwhelming with so many options. We've analyzed 249+ apps to bring you the best choices for 2026, from free options to premium solutions with advanced features.

Compare top Debugger Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Debug AnywhereDebug AnywhereFree4.6★ (54)NoYesAug 2026
2HTTPBot: API & HTTP ClientHTTPBot: API & HTTP ClientFree4.5★ (1.3K)NoYesSep 2026
3Web Inspector - code debuggerWeb Inspector - code debuggerFree2.9★ (30)YesNoAug 2026
4Bluetooth Debugger & InspectorBluetooth Debugger & InspectorFree4.7★ (42)NoYesAug 2026
5TestFlightTestFlightFree4.7★ (788K)NoNoSep 2026
6API DebuggerAPI DebuggerFree3.0★ (1)NoNoJul 2026
7BLE Debugger: GATT InspectorBLE Debugger: GATT InspectorFree5.0★ (2)NoYesSep 2026
8Network Analyzer: WiFi ScanNetwork Analyzer: WiFi ScanFree4.6★ (6.7K)YesNoAug 2026

Top Picks for Debugger

Debug Anywhere#1

Debug Anywhere by 浩鑫 庄

Inspect web / DevTools
Editor's Choice
🛠️ Developer Tools
4.6😊(54 ratings)
FreeIn-App Purchases
Debug Anywhere screenshot 1
Debug Anywhere screenshot 2
Debug Anywhere screenshot 3
Debug Anywhere screenshot 4
Debug Anywhere screenshot 5
Debug Anywhere screenshot 6

This app provides a comprehensive suite of tools for web developers to inspect and debug web pages within a WebView environment. It offers features like source code inspection, network diagnostics, and JavaScript injection to streamline the development process.

What We Love

  • 🚀 Useful for debugging
  • 👍 Easy to use
  • 💡 Simulates browser F12 mode
  • 👍 Great for developers

Room to Improve

  • 🐛 Cannot see initial console.log
  • 🐛 Console visible only after opening
  • 🐛 No desktop site switch
HTTPBot: API & HTTP Client#2

HTTPBot: API & HTTP Client by Arvindh Sukumar

API, MCP & WebSocket Debugger
Strong Contender
🛠️ Developer Tools
4.5😐(1.3K ratings)
FreeIn-App Purchases
#33in Developer Tools
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

This app allows users to send HTTP/HTTPS requests and connect to WebSockets, making it easy to debug APIs on the go. It supports various response formats, collaboration features, and authentication methods, streamlining API development and testing.

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

More Debugger apps to explore

4
Bluetooth Debugger & Inspector
Bluetooth Debugger & Inspector
Bluetooth Debugger & Inspector
Detector & Manager Devices
Free

Discover, connect, and debug nearby Bluetooth devices. Inspect their services, characteristics, and data in real-time. Log and export device information, and manage connections with ease.

Device scan and findCustomized device alias and iconRecord and show device locations
🛠️ Developer Tools
(42)
freemium
5
TestFlight
TestFlight
TestFlight
Beta testing made simple
Free

Easily test pre-release versions of apps and App Clips. Provide feedback to developers before public launch. Receive invites via email or public link.

Test beta app versionsTest App ClipsSubmit feedback
🛠️ Developer Tools
(788K)
free
6
API Debugger
API Debugger
API Debugger
by Guilin Cui
Free

This tool helps developers inspect and understand API response data. It provides a clear interface for debugging and analyzing the information received from APIs, aiding in the development process.

Debug API response dataAnalyze dataClear interface
📊 Productivity
(1)
free
7
BLE Debugger: GATT Inspector
BLE Debugger: GATT Inspector
BLE Debugger: GATT Inspector
Scan, Read, Write & Automate
Free

This tool streamlines Bluetooth Low Energy device debugging. It allows users to scan, inspect GATT services, exchange data in real-time, and automate testing sequences. Capture and export logs for detailed analysis.

Scan and identify BLE devicesInspect GATT services and characteristicsRead and monitor characteristic values live
🛠️ Developer Tools
(2)
free with in-app purchases
8
Network Analyzer: WiFi Scan
Network Analyzer: WiFi Scan
Network Analyzer: WiFi Scan
LAN scanner, ping, DNS & whois
Free

Diagnose Wi-Fi and internet connectivity issues with a suite of network analysis tools. Discover devices on your LAN, test connectivity with ping and traceroute, and scan for open ports.

Wi-Fi LAN scannerDevice discoveryPing and traceroute
🔧 Utilities
(6.7K)
ad-supported
9
TensorFlow TFLite Debugger
TensorFlow TFLite Debugger
TensorFlow TFLite Debugger
Debug and Test TensorFlow Lite
$0.99
🛠️ Developer Tools
(0)
10
Network Debugger - TCP/UDP
Network Debugger - TCP/UDP
Network Debugger - TCP/UDP
TCP/UDP socket debugger
Free

This tool assists developers in debugging network connections. It supports both TCP and UDP protocols, offering features like UDP broadcast and monitoring, TCP client, and TCP server functionalities.

UDP broadcast and monitoringTCP client functionalityTCP server functionality
🛠️ Developer Tools
(0)
free
11
Proxycat
Proxycat
Proxycat
by BYTE CROSSING LTD
Free

This app allows developers to capture and modify HTTP messages using JavaScript. It offers various viewers for data formats and supports SSL decryption. Scripts can be synchronized via iCloud for seamless workflow.

HTTP message captureRequest/response modification via JavaScriptMultiple data viewers (JSON, Tree, HTML, XML, Hex)
🛠️ Developer Tools
(3)
free
12
Injury Debugger
Injury Debugger
Injury Debugger
Keep track of healing progress
Free
💪 Health & Fitness
(0)
13
Cleaner Kit - Clean Up Storage
Cleaner Kit - Clean Up Storage
Cleaner Kit - Clean Up Storage
Free Up Space, Delete Photos
Free

This app helps declutter your iPhone by identifying and removing duplicate photos, videos, and other junk files. It uses AI to scan your device, allowing you to quickly free up storage space and organize your content with an intuitive swipe interface.

AI-powered duplicate detectionSwipe-based photo sortingEmail and contact decluttering
🔧 Utilities
(349K)
free with in-app purchases
14
Quack: Rubber Duck Debugger
Quack: Rubber Duck Debugger
Quack: Rubber Duck Debugger
by BEK Service LTD
Free
🛠️ Developer Tools
(0)
15
Keyboard Debugger
Keyboard Debugger
Keyboard Debugger
Bluetooth, wired, page turners
$0.99
🔧 Utilities
(0)
16
Reqlab - Web Debugger
Reqlab - Web Debugger
Reqlab - Web Debugger
by DRUSKININKU RASA, UAB
Free
🔧 Utilities
(0)
17
QRU? - QR Code Debugger
QRU? - QR Code Debugger
QRU? - QR Code Debugger
Scan & Decode URL Components
Free
$0.99 | 100% OFF

This tool helps developers debug QR codes by scanning them and breaking down the data into color-coded URL components. It provides instant scanning, QR code generation, and a scan history for easy management and analysis of encoded information.

Colorized URL breakdownInstant QR code scanningQR code generation
🛠️ Developer Tools
(0)
free
18
Bluetooth Toolbox-BLE Debugger
Bluetooth Toolbox-BLE Debugger
Bluetooth Toolbox-BLE Debugger
BLE Scan·No Ads·Multi-Language
$5.99

This app assists developers and engineers in debugging Bluetooth Low Energy (BLE) devices. It offers a clean interface for scanning, connecting, sending/receiving data, and analyzing communication protocols without any advertisements.

BLE device scanning and connectionReal-time data sending/receivingCommunication protocol analysis
🛠️ Developer Tools
(1)
paid
19
Flight Debugger
Flight Debugger
Flight Debugger
by 加彬 薛
Free
🔧 Utilities
(0)
20
Web Inspector
Web Inspector
Web Inspector
Developer Console for Safari
Free

This app provides a suite of web development tools for Safari on mobile devices. Inspect and edit the DOM, view element styles, execute JavaScript commands, monitor network requests, and examine stored resources like cookies.

DOM inspection and editingElement style viewerJavaScript console
🛠️ Developer Tools
(152)
free

FAQ about Debugger

What are the best debugger apps for iPhone?
Debug Anywhere tops our debugger apps ranking as of August 2026, with a 4.6-star average from 54 App Store ratings, and it's free to download.
Yes — 17 of the top debugger apps we rank are free to download, including Debug Anywhere and HTTPBot: API & HTTP Client.
Debug Anywhere has no ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 249+ debugger apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
Debug Anywhere is a toolkit designed for web developers to inspect, debug, and enhance web pages within a WebView. It provides built-in DevTools for examining source code, static resources, API requests, and more, simplifying the debugging process.
Key features include comprehensive webpage inspection tools, a User-Agent switcher for testing different devices, JavaScript injection for manipulating web pages, network diagnostics like Ping and Traceroute, an app URL scheme tester, and an incognito mode for private debugging.

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