Comparison

tunlr vs JSON View

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

Head to head
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 β€” everything stays on your device. tunlr is built for developers, sysadmins, and DevOps engineers who need real terminal access on iPhone and iPad. β€” TERMINAL β€” 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. β€” AUTHENTICATION β€” Three ways to authenticate, all protected by Face ID or Touch ID: Secure Enclave keys β€” 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 β€” bring your own Ed25519, ECDSA, or RSA keys. Stored in the iOS Keychain with biometric protection. Passwords β€” stored in the Keychain, never in plain text. β€” HOST VERIFICATION β€” 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. β€” VOICE INPUT β€” Dictate terminal commands with on-device speech recognition powered by WhisperKit. All audio processing happens on your device β€” nothing is sent to any server. β€” KEYBOARD TOOLBAR β€” Customizable keyboard toolbar with sticky modifier keys. Shortcut packs for Shell, Tmux, Vim, and Claude Code workflows. Save your own favorites. β€” CONNECTIONS β€” 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. β€” APPEARANCE β€” 14 color themes: Default Dark, Solarized Dark, Solarized Light, Dracula, Nord, Monokai, One Dark, GitHub Light, Gruvbox Light, Catppuccin Mocha, Tokyo Night, RosΓ© Pine, Synthwave, and Kanagawa. Four monospace fonts and adjustable font size. β€” PRIVACY β€” No accounts. No analytics. No tracking. No data collection. Everything runs on your device. SSH connections go directly to your servers β€” tunlr never contacts any third-party service.

About

JSON View

Features
Read full description

JSON View is a clean JSON viewer and editor. Open, view, edit, format, and validate JSON files β€” all offline, no account required, no ads. Whether you're a developer debugging an API response, a data analyst inspecting config files, a student learning JSON syntax, or someone who just received a .json file and needs to read it β€” JSON View handles it efficiently. TREE VIEW β€” EXPLORE JSON VISUALLY Navigate complex, deeply nested JSON with a collapsible tree view. Each node shows the key name, value type, and child count at a glance. Tap to expand or collapse any object or array. Color-coded types make it easy to spot strings, numbers, booleans, and null values without reading every line. Auto-expands the first two levels when you open a file β€” so you see structure immediately, not a wall of collapsed nodes. TEXT VIEW β€” READ & EDIT WITH SYNTAX HIGHLIGHTING Switch to a full syntax-highlighted text view with line numbers. Every key, string, number, boolean, and bracket is color-coded for quick scanning. Edit your JSON directly in the text editor β€” fix typos, update values, restructure data. JSON View gives you both a visual tree view AND a real text editing mode with syntax highlighting, giving you the flexibility to work exactly how you want. FORMAT & BEAUTIFY Beautify messy, minified JSON into a clean, readable structure with one tap. Choose your indentation β€” 2 spaces, 4 spaces, or tabs. Minify bloated JSON into compact single-line output for APIs or configs. Sort keys alphabetically to organize your data. VALIDATE BEFORE YOU SAVE Real-time JSON validation catches syntax errors before you save. See exactly which line and column has the problem β€” no more guessing. JSON View validates your file every time you save, so you never accidentally corrupt a file. Auto-fix common mistakes like trailing commas, missing quotes, and extra brackets. OPEN JSON FROM ANYWHERE Pick a .json file from your device storage using the built-in file browser. Paste JSON directly from your clipboard β€” no file needed. Load JSON from any URL (paste an API endpoint and see the response). Receive JSON shared from other apps. Start from scratch with a blank file or use starter templates (API Mock, package.json, Config Map). JSON View works with the Files app β€” tap any JSON file and open it directly in JSON View. SAVE, SHARE & EXPORT Save changes back to the original file. Save as a new .json file anywhere on your device. Export to XML or PDF for sharing with non-technical colleagues. Share formatted JSON as text to any messaging or note-taking app. Copy the entire file to your clipboard with one tap. CONVERT BETWEEN FORMATS Convert JSON to XML and XML to JSON with a single tap. Useful when you need to switch between data formats for different systems, APIs, or team members. Transform key casing β€” convert between camelCase, snake_case, and PascalCase across all keys in your file. DESIGNED FOR REAL USE Modern, clean interface optimized for your device. Dark mode and light mode with system-aware auto-switching. Works completely offline β€” no internet connection needed. No account, no sign-up, no login. No data collection β€” your JSON files never leave your device. Handles deeply nested structures and large files smoothly. Built by Garoono β€” indie developers who ship useful tools for real people. Have feedback? We read every message. Contact: garoono.digital@gmail.com Website: garoono.in Privacy Policy: https://sites.google.com/view/jsonview-privacy/privacypolicy Terms of Use: https://sites.google.com/view/jsonview-eula/privacypolicy

Screenshots

tunlr4 screens
JSON View4 screens

Verdict

The call

The clearest difference is iOS requirement: JSON View at 15.0 against tunlr's 17.0. On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Scorecard1 real difference Β· 7 level
tunlr versus JSON View: the parameters behind the verdict, then further details
ParametertunlrJSON View
PriceFreeFree
Positive reviews100.0% of reviewsβ€”
Update frequencyEvery 5 weeksβ€”
AdsNoNo
In-app purchasesNoNo
MonetizationFreeβ€”
DevicesiPhone, iPadiPhone, iPad, iPod β€” better
Requires iOS17.015.0 β€” better
Further details β€” not scored
Size13 MB61 MB
Age rating4+4+
DeveloperAnastasiia TrofimovaGautam Singh Rathor

In-app purchases

None

tunlr

No in-app purchases

None

JSON View

No in-app purchases

Questions

Is tunlr free?
tunlr is free to download, with no in-app purchases.
Is JSON View free?
JSON View is free to download, with no in-app purchases.
Do tunlr or JSON View have ads?
Neither tunlr nor JSON View shows ads.

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