Comparison

DecibelPeak vs JSON Viewer & Formatter

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

Head to head
About

DecibelPeak

Features
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Decibel Peak transforms your device into a professional-grade sound level meter and audio analyzer. Whether you're checking noise levels at home, monitoring sound in concerts, or optimizing your studio setup, Decibel Peak gives you accurate readings in real time. Features: Real-time Decibel Monitoring – Instantly measure sound levels with high accuracy. Frequency Spectrum & Waterfall Display – Visualize audio frequencies in a dynamic, colorful interface. dB Curve Tracking – Monitor sound variations over time with detailed graphs. Noise Categories – Quickly identify whether the environment is Quiet, Moderate, or Loud. Protect Your Hearing – Stay informed about potentially harmful sound levels. With its sleek interface and professional features, Decibel Peak is your go-to tool for sound measurement and audio analysis.

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

Screenshots

DecibelPeak4 screens
JSON Viewer & Formatter4 screens

Verdict

The call

The clearest difference is in-app purchases: DecibelPeak at none against JSON Viewer & Formatter's 3. DecibelPeak also leads on ads (none vs shown). JSON Viewer & Formatter's advantage is update cadence (weekly vs every 4 months). On price, 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

Both are free to download. JSON Viewer & Formatter sells 3 in-app purchases, starting at $1.99 per 7 days. DecibelPeak asks for nothing beyond the download.

UpkeepUpdate frequency

DecibelPeak ships an update every 4 months, JSON Viewer & Formatter weekly. Both last shipped on October 30, 2026.

Scorecard3 real differences · 6 level
DecibelPeak versus JSON Viewer & Formatter: the parameters behind the verdict, then further details
ParameterDecibelPeakJSON Viewer & Formatter
PriceFreeFree
Rating—1.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyEvery 4 monthsWeekly — better
AdsNo — betterYes
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhoneiPhone, iPad — better
Requires iOS17.017
Further details — not scored
Size2 MB5 MB
Age rating4+4+
DeveloperAndre FrelicotMuhammad Mujahid Khan

In-app purchases

None

DecibelPeak

No in-app purchases

3 purchases

JSON Viewer & Formatter

Subscriptions3
  • Weekly$1.997 Days
  • Monthly$4.991 Month
  • Yearly$24.991 Year

Questions

Is DecibelPeak free?
DecibelPeak is free to download, with no in-app purchases.
Is JSON Viewer & Formatter free?
JSON Viewer & Formatter is free to download, with in-app purchases available.
Do DecibelPeak or JSON Viewer & Formatter have ads?
JSON Viewer & Formatter shows ads; DecibelPeak does not.
Which is updated more often, DecibelPeak or JSON Viewer & Formatter?
DecibelPeak ships an update every 4 months, and JSON Viewer & Formatter weekly. Most recently, DecibelPeak was updated on October 30, 2026 and JSON Viewer & Formatter on October 30, 2026.

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