Comparison

API Testing Tool vs tunlr

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Customizable HTTP requests (GET, POST, PUT)
  • Detailed response preview
  • Organized storage for API requests
  • SQLite and iCloud integration
  • Debug APIs on device
Features
Read full description

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

About

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.

Highlights
  • Full PTY terminal emulation
  • Biometric-protected SSH keys
  • On-device voice dictation
  • Customizable keyboard toolbar
  • Save server profiles
  • 14 color themes
Features
Read full description

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

API Testing Tool4 screens
tunlr4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

UpkeepUpdate frequency

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.

Scorecard3 real differences · 7 level
API Testing Tool versus tunlr: the parameters behind the verdict, then further details
ParameterAPI Testing Tooltunlr
Price$1.99Free — better
Rating5.0 (1 ratings) — better—
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings1 — better—
Update frequencyEvery 2 weeks — betterEvery 5 weeks
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFree — better
DevicesiPhoneiPhone, iPad — better
Requires iOS18.017.0 — better
Further details — not scored
Size3 MB13 MB
Age rating4+4+
DeveloperANDREI EDUARD ISTRATEAnastasiia Trofimova

Customer experience

API Testing Tool

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

tunlr

Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

API Testing Tool

No in-app purchases

None

tunlr

No in-app purchases

Questions

Is API Testing Tool free?
API Testing Tool costs $1.99, with no in-app purchases.
Is tunlr free?
tunlr is free to download, with no in-app purchases.
Do API Testing Tool or tunlr have ads?
Neither API Testing Tool nor tunlr shows ads.
Which is updated more often, API Testing Tool or tunlr?
API Testing Tool ships an update every 2 weeks, and tunlr every 5 weeks. Most recently, API Testing Tool was updated on October 7, 2026 and tunlr on October 8, 2026.

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