Best apps like Treblle: API observability

52+ similar apps compared and reviewed

4.4 avg rating
10 free apps
Updated July 2026

Whether you want more options like Treblle or a completely different take on the same concept, our curated list of 52+ similar apps has you covered. Updated for 2026 with the latest ratings and comparisons.

Top Alternatives to Treblle

ConnectKit#1

ConnectKit by Josh Holtz

Connect API from Shortcuts
Editor's Choice
🛠️ Developer Tools
5.0(8 ratings)
FreeIn-App Purchases
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Access the App Store Connect API directly from your iOS and macOS devices. Securely manage API keys and generate authentication tokens for custom workflows. Automate tasks like fetching sales reports and app status.

Clouded CI#2

Clouded CI by Christian Lobach

for Xcode Cloud
Strong Contender
🛠️ Developer Tools
0.0(0 ratings)
FreeIn-App Purchases
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Monitor Xcode Cloud workflows on your iPhone or iPad. View build statuses, inspect failures, start new builds, and download artifacts. Offers free access for main branch builds and a Pro subscription for full workflow access.

REST API Client#3

REST API Client by Tevon Wallace

REST API and GraphQL Client
Worth Considering
🛠️ Developer Tools
4.3(6 ratings)
FreeAdsIn-App Purchases
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This tool allows users to send and analyze API requests with customizable parameters, authorization, and body content. It offers robust search and filtering capabilities for managing saved requests, optimized for iPadOS with keyboard support.

More apps like Treblle

4
Node.js Lab
Node.js Lab
Node.js Lab
Node.js offline & Git Client
Free

Develop and run Node.js web applications directly on your iOS device, even offline. This app includes a full Node.js environment with NPM, a script editor, and debugging tools. It also functions as a standalone web application and offers extensive file management capabilities.

Offline Node.js environmentIntegrated Git clientMulti-tabbed script editor
🛠️ Developer Tools
(16)
free with in-app purchases
5
Rest – HTTP API Client
Rest – HTTP API Client
Rest – HTTP API Client
Perform HTTP Requests
Free

Easily perform HTTP requests directly from your mobile device. Supports various body types, syntax highlighting, and detailed response inspection. Import collections and manage project variables for efficient API testing.

Supports JSON, Form & Multipart bodiesSyntax highlighting and JSON error reportingAll common and custom HTTP methods
🛠️ Developer Tools
(88)
free with in-app purchases
6
SSH Terminal+
SSH Terminal+
SSH Terminal+
Secure SSH & server insights
Free

Manage servers securely with a full-featured terminal and performance insights. Monitor load, memory, I/O, and network activity with live charts. Edit files, manage processes, and save command snippets for efficient remote access.

Dynamic SSH terminal with multi-session managementServer list overview with key performance metricsSecure SSH bastion and proxy support
🛠️ Developer Tools
(187)
free with in-app purchases
7
Proxygen
Proxygen
Proxygen
Interactive HTTP proxy
Free

This tool allows developers to intercept, inspect, and modify HTTP traffic from their iOS devices on a Mac. It offers advanced features like JavaScript scripting for traffic manipulation and a syntax-aware editor for debugging API endpoints.

Send iOS device traffic to MacModify proxied traffic with JavaScriptMatch and replace headers/body data
🛠️ Developer Tools
(18)
freemium
8
Debug Anywhere
Debug Anywhere
Debug Anywhere
Inspect web / DevTools
Free

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.

Webpage inspection toolsUser-Agent switcherJavaScript injection
🛠️ Developer Tools
(56)
free with in-app purchases
9
Docker Server Admin
Docker Server Admin
Docker Server Admin
Docker, Linux Stats, SSH, SFTP
Free

Manage Docker containers, images, and Linux hosts remotely via SSH. Monitor system performance with detailed stats and control your environment with an integrated terminal and SFTP file explorer.

Docker container monitoring & managementLinux host performance dashboardReal-time CPU, memory, disk, and network stats
🛠️ Developer Tools
(140)
free with in-app purchases
10
DevTools Extension
DevTools Extension
DevTools Extension
DevTools for Safari
Free

A browser extension for Safari that provides web developers with essential tools. It allows inspection of console logs, DOM elements, network requests, resources like localStorage and cookies, and source code.

Console logging and command executionDOM node and computed style inspectionNetwork requests and responses monitoring
🛠️ Developer Tools
(15)
free