JSON Navigator vs Scan21
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
JSON Navigator
This tool transforms raw JSON API responses into an interactive, tree-like visual format. It helps developers, UX engineers, and designers easily explore and understand complex data structures with features like data type indicators and search functionality.
- Instant JSON visualization
- Interactive tree view
- Data type indicators
- Search JSON responses
- Expand/collapse nodes
- Customizable themes
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Transform JSON responses into Interactive Trees with JSON Navigator for Safari JSON Navigator provides clean visualization of API responses through a beautiful, tree-view interface. Built for developers, UX engineers and designers. Powerful features: - Instant JSON Visualization: Converts JSON responses into interactive trees instantly. Works with responses recorded while extension is open, or by directly browsing to a URL returning JSON. - Data Type Indicators: Lets you know if you are dealing with a string, number, object, date or other data type and includes element counts - Search JSON responses and copy/paste elements - Interactive Tree Navigation: Expand and collapse nodes with ease, making it simple to explore deep data structures - Customizable Interface: Choose between various light and dark themes to find your preferred style Enhance your development workflow with an intuitive tool for JSON viewing. JSON Navigator delivers powerful functionality in a lightweight, efficient package, making API response validation and data structure examination effortless. Perfect for developers on the go.
Scan21
Quickly verify if individuals meet the 21+ age requirement by scanning the barcode on their ID. Get instant visual and audio feedback for eligibility. Works offline and tracks scan history.
- Scan ID barcodes with device camera
- Automatic age calculation for 21+
- Clear visual (green/red screen) feedback
- Optional audio alerts
- Scan history and statistics
- Offline functionality
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Scan21 – Age ID Check helps you quickly verify if someone meets the 21+ legal age requirement by scanning the barcode on their ID. Perfect for bars, clubs, liquor stores, dispensaries, or any venue requiring instant age checks. Simply scan, and the app will automatically calculate the age, alerting you with clear visual and audio feedback. Features: Fast & Accurate Scanning – Uses your device camera to read ID barcodes. Automatic Age Calculation – Instantly determines if the person is 21+. Clear Visual Feedback – Green screen for eligible, red screen for ineligible. Audio Alerts – Optional success/failure tones for quick recognition. Scan History & Stats – Tracks the total number of successful and failed scans. Simple & Reliable – No internet required, works offline. This tool is designed to make age verification quick, professional, and hassle-free. Disclaimer: This app is for age screening assistance only and should not replace manual ID verification. Always follow your local laws and regulations.
Screenshots
Verdict
The clearest difference is review sentiment: JSON Navigator at 67% against Scan21's 0%. JSON Navigator also leads on rating (5.0 vs 2.3). Scan21's advantage is price ($1.99 vs $4.99) and iOS requirement (13.0 vs 15.0). On ratings volume, ads, in-app purchases and monetization model 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
JSON Navigator costs $4.99 and Scan21 $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
JSON Navigator holds the better App Store score, 5.0 against 2.3. Both are backed by a comparable volume of ratings — 2 and 3 respectively. Written reviews point the same way: 67% of JSON Navigator's written reviews are positive against 0% of Scan21's.
| Parameter | JSON Navigator | Scan21 |
|---|---|---|
| Price | $4.99 | $1.99 — better |
| Rating | 5.0 (2 ratings) — better | 2.3 (3 ratings) |
| Positive reviews | 66.7% of reviews — better | 0.0% of reviews |
| Number of ratings | 2 | 3 — better |
| Update frequency | Every 3 weeks | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Best chart rank | #92 — better | #126 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 1 MB | 22 MB |
| Age rating | 4+ | 4+ |
| Developer | Chase Higgins | TelliSIM - Travel eSIM solutions |
Customer experience
JSON Navigator
Scan21
In-app purchases
JSON Navigator
No in-app purchases
Scan21
No in-app purchases
