API Testing Tool vs tunlr
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
API Testing Tool
This tool allows developers and QA engineers to test and debug APIs directly from their mobile devices. It supports various HTTP request methods, provides detailed response previews, and offers organized storage for saved requests.
- Customizable HTTP requests (GET, POST, PUT)
- Detailed response preview
- Organized storage for API requests
- SQLite and iCloud integration
- Debug APIs on device
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Take your API testing to the next level with this user-friendly and efficient API Testing Tool! Designed for developers, QA engineers, and tech enthusiasts, this app provides a seamless way to test and debug APIs right from your device Key Features: • Customizable Requests: Easily configure GET, POST, PUT, and other HTTP requests with full control over headers, parameters, and payloads. • Response Preview: View raw responses, including status codes and data, for detailed debugging. • Organized Storage: Save and organize your API requests locally for quick access and reusability. • SQLite Integration: All your configurations are stored both on device and seamlessly using iCloud
tunlr
This app provides a secure SSH terminal emulator for mobile devices. It offers advanced authentication methods, including biometric-protected keys, and on-device voice dictation for terminal commands. Designed for developers and sysadmins, it ensures privacy with no accounts or data tracking.
- Full PTY terminal emulation
- Biometric-protected SSH keys
- On-device voice dictation
- Customizable keyboard toolbar
- Save server profiles
- 14 color themes
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SSH terminal in your pocket. Full xterm-256color emulation, biometric-protected keys, and on-device voice dictation. No accounts, no tracking — everything stays on your device. tunlr is built for developers, sysadmins, and DevOps engineers who need real terminal access on iPhone and iPad. — TERMINAL — Full PTY terminal emulation powered by SwiftTerm. xterm-256color support. Configurable scrollback buffer up to 50,000 lines. Optional Metal GPU-accelerated rendering. Works in portrait and landscape on both iPhone and iPad. — AUTHENTICATION — Three ways to authenticate, all protected by Face ID or Touch ID: Secure Enclave keys — generate a P-256 ECDSA key that never leaves your device's Secure Enclave. The private key is inaccessible even to the app itself. Imported keys — bring your own Ed25519, ECDSA, or RSA keys. Stored in the iOS Keychain with biometric protection. Passwords — stored in the Keychain, never in plain text. — HOST VERIFICATION — Trust-on-first-use (TOFU) host key verification. tunlr saves the server fingerprint on first connection and warns you if it ever changes. Import fingerprints by scanning a QR code to skip the initial trust step. — VOICE INPUT — Dictate terminal commands with on-device speech recognition powered by WhisperKit. All audio processing happens on your device — nothing is sent to any server. — KEYBOARD TOOLBAR — Customizable keyboard toolbar with sticky modifier keys. Shortcut packs for Shell, Tmux, Vim, and Claude Code workflows. Save your own favorites. — CONNECTIONS — Save server profiles with hostname, port, username, and authentication method. Connect with a single tap. Auto-reconnect restores your session when you return to the app, with configurable keepalive intervals. — APPEARANCE — 14 color themes: Default Dark, Solarized Dark, Solarized Light, Dracula, Nord, Monokai, One Dark, GitHub Light, Gruvbox Light, Catppuccin Mocha, Tokyo Night, Rosé Pine, Synthwave, and Kanagawa. Four monospace fonts and adjustable font size. — PRIVACY — No accounts. No analytics. No tracking. No data collection. Everything runs on your device. SSH connections go directly to your servers — tunlr never contacts any third-party service.
Screenshots
Verdict
The clearest difference is price: tunlr at Free against API Testing Tool's $1.99. API Testing Tool's advantage is update cadence (every 2 weeks vs every 5 weeks). On review sentiment, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
tunlr is free to download; API Testing Tool costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
API Testing Tool ships an update every 2 weeks, tunlr every 5 weeks. The most recent releases landed on October 7, 2026 and October 8, 2026 respectively.
| Parameter | API Testing Tool | tunlr |
|---|---|---|
| Price | $1.99 | Free — better |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 1 — better | — |
| Update frequency | Every 2 weeks — better | Every 5 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 18.0 | 17.0 — better |
| Further details — not scored | ||
| Size | 3 MB | 13 MB |
| Age rating | 4+ | 4+ |
| Developer | ANDREI EDUARD ISTRATE | Anastasiia Trofimova |
Customer experience
API Testing Tool
tunlr
In-app purchases
API Testing Tool
No in-app purchases
tunlr
No in-app purchases









