Timestamp Conversion Tool vs Advanced JSON Viewer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Timestamp Conversion Tool
Easily convert between date/time and UNIX timestamps. Customize formats, time zones, and locations for accurate comparisons. Ideal for developers and debugging.
- Date and time to UNIX timestamp conversion
- UNIX timestamp to date and time conversion
- Customizable date and time formats
- Easy time zone and location setting
- Supports multiple countries' formats and time differences
- Ad-free experience
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This application converts between date and time and UNIX time. Any number of date and time formats can be freely set. TimeZone and Locate can also be set easily, so you can easily check formats and time differences of other countries. Please use it for application development and debugging. ※Unlike the free version, no ads will be displayed.
Advanced JSON Viewer
This tool enhances JSON data viewing and editing within Safari and on your device. It offers beautiful formatting, syntax highlighting, and an interactive editor for efficient JSON management.
- Open and save JSON files
- Beautiful JSON formatting
- Syntax highlighting
- Interactive editor
- Light & dark modes
- Error detection
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Advanced JSON Viewer transforms raw JSON data into an elegant, interactive viewing experience right in Safari and now supports opening and saving JSON files directly from your device. Key Features: • Open JSON Files: Open and view JSON files from your device with powerful formatting • Save JSON Files: Edit and save your JSON data directly to your device • Beautiful JSON Formatting: Instantly transforms unformatted JSON into a clean, readable format • Syntax Highlighting: Makes JSON structure easily readable with color-coded elements • Light & Dark Modes: Automatically switches between themes based on your system preferences • Customizable Themes: Choose from a wide selection of professional color schemes • Interactive Editor: Edit JSON directly in the browser with the powerful Ace editor • Settings Toolbar: Quick access to all viewing preferences in one convenient panel • Adjustable Settings: Customize font size, tab width, and other viewing preferences • Invisible Characters: Option to display invisible characters for precise editing • Fast & Efficient: Works instantly on any JSON page or file without slowing down your experience • Error Detection: Highlights JSON syntax errors as you type • Toggle Views: Switch between raw and formatted views with a single click Perfect for developers, QA engineers, API testers, and anyone who works with JSON data. Advanced JSON Viewer makes reading, editing, and saving JSON in Safari and local files a delightful experience. Built with attention to detail and performance, this app seamlessly enhances your JSON workflow whether you're browsing API responses online or examining and editing local configuration files. Available as a universal purchase - buy once and use it on Mac, iPhone, iPad, and Vision Pro.
Screenshots
Verdict
The clearest difference is rating: Timestamp Conversion Tool at 5.0 against Advanced JSON Viewer's 3.3. Advanced JSON Viewer's advantage is update cadence (every 6 weeks vs every 38 months) and chart position (#183 vs unranked). On price, 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
Timestamp Conversion Tool costs $1.99 and Advanced JSON Viewer $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Timestamp Conversion Tool holds the better App Store score, 5.0 against 3.3. Both are backed by a comparable volume of ratings — 1 and 3 respectively.
Timestamp Conversion Tool ships an update every 38 months, Advanced JSON Viewer every 6 weeks. The most recent releases landed on September 10, 2026 and September 24, 2026 respectively.
| Parameter | Timestamp Conversion Tool | Advanced JSON Viewer |
|---|---|---|
| Price | $1.99 | $1.99 |
| Rating | 5.0 (1 ratings) — better | 3.3 (3 ratings) |
| Positive reviews | — | 40.0% of reviews |
| Number of ratings | 1 | 3 — better |
| Update frequency | Every 38 months | Every 6 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Best chart rank | — | #183 — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod, Mac — better |
| Requires iOS | 14.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 11 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Kosei Suzuki | Acrogenesis LLC |
Customer experience
Timestamp Conversion Tool
Advanced JSON Viewer
In-app purchases
Timestamp Conversion Tool
No in-app purchases
Advanced JSON Viewer
No in-app purchases
Questions
Is Timestamp Conversion Tool free?
Is Advanced JSON Viewer free?
Which has better reviews, Timestamp Conversion Tool or Advanced JSON Viewer?
Do Timestamp Conversion Tool or Advanced JSON Viewer have ads?
Which is updated more often, Timestamp Conversion Tool or Advanced JSON Viewer?
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