Comparison

JSON Viewer & Formatter vs Mandarin Assistant HSK Widget

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

Head to head
About

JSON Viewer & Formatter

Format, validate, and compare JSON data offline on your iPhone or iPad. This tool offers a tree view, search functionality, and custom themes for efficient data management. Export JSON to various formats and handle large files smoothly.

Highlights
  • Beautify & Minify JSON
  • Import JSON files or paste from clipboard
  • Export JSON to CSV, XML, YAML
  • Interactive Tree View Explorer
  • Search JSON Keys & Values
  • Compare Two JSONs
  • Offline functionality
Features
Read full description

JSON Formatter – JSON Viewer , Format & Beautify JSON is the ultimate tool for developers, designers, and data analysts who work with JSON every day. Easily format, validate, minify, and visualize JSON data right on your iPhone or iPad — no internet required! Key Features JSON Viewer Beautify & Minify JSON: Instantly format or compress JSON with a single tap. Import : Open .json files directly or paste from clipboard. Export : JSON To CSV Converter , JSON To XML Converter , JSON To YAML Converter Tree View Explorer: View JSON data in an interactive, expandable tree structure with syntax highlighting. Search JSON Keys & Values: Quickly find specific data fields in complex JSON structures. Custom Themes: Choose from multiple syntax color themes (Xcode, Monokai, Solarized, GitHub). Compare Two JSONs: Spot differences between two JSON objects line by line. Share Formatted JSON: Export or share your beautified JSON text with others. Smart Lazy Loading: Handle large JSON files smoothly without slowing down your device. File Size Indicator: Know your JSON file size instantly as you type. Built with SwiftUI: Smooth, modern, and lightweight performance optimized for iOS. Perfect For Developers working with APIs Students learning data structures QA testers verifying API responses Anyone managing JSON-based configuration files Why Choose JSON Formatter Unlike simple online tools, this app is fully offline, fast, and privacy-friendly — your data stays on your device. Whether you’re formatting, debugging, or comparing, JSON Formatter gives you full control in one elegant app. Unlock Pro features of JSON Viewer with a subscription: * Weekly: $1.99 * Monthly: $4.99 * Yearly: $24.99 Subscriptions auto-renew unless canceled at least 24 hours before the end of the current period. You can manage or cancel subscriptions in your Apple ID settings. Support & Legal Support: https://justclack.blogspot.com Privacy Policy: https://justclack.blogspot.com/p/privacy-policy.html Apple Standard EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula Enjoy JSON Viewer App

About

Mandarin Assistant HSK Widget

Features
Read full description

Master Mandarin Chinese passively throughout your day! The Mandarin Assistant HSK Widget integrates vocabulary learning directly into your daily routine by placing interactive flashcards right on your iOS Home Screen. Whether you are preparing for the HSK 1–6 exams or just trying to expand your Hanzi and Pinyin vocabulary, this app keeps you consistently exposed to the language without needing to open a separate study app. Whether you speak English, French, or even using your foundational Mandarin (HSK3), Mandarin Assistant is your personal notebook towards fluency. KEY USE CASES • Heard a word? Search by Pinyin and "Heart" it with your personal notes • Saw a new word in a text? Use character recognition (OCR) and save it with notes • Preparing for a conversation? Create a list and add all the words you’ll need • Want to study throughout the day? Add a widget showing your Hearted words to your home screen—reinforce learning every time you unlock your phone • Studying for a test? Sync your lists with Anki and review flashcards there • Unsure which words to focus on? Start with the ones you’ve annotated and Hearted • At an intermediate level? Switch definitions from English/French to HSK3-level Chinese KEY FEATURES: • Smart iOS Widgets: Beautifully designed widgets for your Home Screen. See a new word, its Pinyin, and its English/French/HSK3 translation every time you glance at your phone. • OCR Camera Recognition: Instantly translate and analyze Chinese characters from real-world text, menus, or books using your camera. • Comprehensive Dictionary & HSK Levels: Fully supports HSK 1 through HSK 7+ vocab lists with clear definitions, collocations and examples. • Tailored Learning: Track your progress, save tricky words to your personal study list, and customize your widget update frequency to match your learning pace. • Privacy focused: works fully offline, no account. Only anonymous usage data reaches dev, and you optionally can backup your notes to Google Drive. Mandarin Assistant helps you take control of your learning—making Mandarin study smarter, more personal, and always within reach. Currently supports Simplified Chinese (HSK level 3), English and French. Make Chinese study a seamless part of your lifestyle. Download Mandarin Assistant HSK Widget today!

Screenshots

JSON Viewer & Formatter4 screens
Mandarin Assistant HSK Widget4 screens

Verdict

The call

The clearest difference is price: JSON Viewer & Formatter at Free against Mandarin Assistant HSK Widget's $1.99. Mandarin Assistant HSK Widget's advantage is in-app purchases (none vs 3) and ads (none vs shown). On update cadence, device support and iOS requirement 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

JSON Viewer & Formatter is free to download; Mandarin Assistant HSK Widget costs $1.99 up front. JSON Viewer & Formatter sells 3 in-app purchases, starting at $1.99 per 7 days. Mandarin Assistant HSK Widget asks for nothing beyond the download.

UpkeepUpdate frequency

JSON Viewer & Formatter ships an update weekly, Mandarin Assistant HSK Widget every 5 days. The most recent releases landed on October 30, 2026 and November 6, 2026 respectively.

Scorecard3 real differences · 6 level
JSON Viewer & Formatter versus Mandarin Assistant HSK Widget: the parameters behind the verdict, then further details
ParameterJSON Viewer & FormatterMandarin Assistant HSK Widget
PriceFree — better$1.99
Rating1.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyWeeklyEvery 5 days — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad — betteriPhone
Requires iOS17 — better17.5
Further details — not scored
Size5 MB274 MB
Age rating4+9+
DeveloperMuhammad Mujahid KhanVertex8

In-app purchases

3 purchases

JSON Viewer & Formatter

Subscriptions3
  • Weekly$1.997 Days
  • Monthly$4.991 Month
  • Yearly$24.991 Year
None

Mandarin Assistant HSK Widget

No in-app purchases

Questions

Is JSON Viewer & Formatter free?
JSON Viewer & Formatter is free to download, with in-app purchases available.
Is Mandarin Assistant HSK Widget free?
Mandarin Assistant HSK Widget costs $1.99, with no in-app purchases.
Do JSON Viewer & Formatter or Mandarin Assistant HSK Widget have ads?
JSON Viewer & Formatter shows ads; Mandarin Assistant HSK Widget does not.
Which is updated more often, JSON Viewer & Formatter or Mandarin Assistant HSK Widget?
JSON Viewer & Formatter ships an update weekly, and Mandarin Assistant HSK Widget every 5 days. Most recently, JSON Viewer & Formatter was updated on October 30, 2026 and Mandarin Assistant HSK Widget on November 6, 2026.

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