Comparison

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.

Head to head
About

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.

Highlights
  • 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
Features
Read full description

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.

About

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.

Highlights
  • Open and save JSON files
  • Beautiful JSON formatting
  • Syntax highlighting
  • Interactive editor
  • Light & dark modes
  • Error detection
Features
Read full description

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

Timestamp Conversion Tool3 screens
Advanced JSON Viewer4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard4 real differences · 7 level
Timestamp Conversion Tool versus Advanced JSON Viewer: the parameters behind the verdict, then further details
ParameterTimestamp Conversion ToolAdvanced JSON Viewer
Price$1.99$1.99
Rating5.0 (1 ratings) — better3.3 (3 ratings)
Positive reviews—40.0% of reviews
Number of ratings13 — better
Update frequencyEvery 38 monthsEvery 6 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
Best chart rank—#183 — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod, Mac — better
Requires iOS14.0 — better15.0
Further details — not scored
Size11 MB5 MB
Age rating4+4+
DeveloperKosei SuzukiAcrogenesis LLC

Customer experience

Timestamp Conversion Tool

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Advanced JSON Viewer

All ratings3 ratings
Positive33.3%
Neutral33.3%
Negative33.3%
Written reviews5 reviews
Positive40.0%
Neutral20.0%
Negative40.0%

In-app purchases

None

Timestamp Conversion Tool

No in-app purchases

None

Advanced JSON Viewer

No in-app purchases

Questions

Is Timestamp Conversion Tool free?
Timestamp Conversion Tool costs $1.99, with no in-app purchases.
Is Advanced JSON Viewer free?
Advanced JSON Viewer costs $1.99, with no in-app purchases.
Which has better reviews, Timestamp Conversion Tool or Advanced JSON Viewer?
Timestamp Conversion Tool is rated higher. Timestamp Conversion Tool averages 5.0 out of 5 from 1 ratings, while Advanced JSON Viewer averages 3.3 from 3 ratings.
Do Timestamp Conversion Tool or Advanced JSON Viewer have ads?
Neither Timestamp Conversion Tool nor Advanced JSON Viewer shows ads.
Which is updated more often, Timestamp Conversion Tool or Advanced JSON Viewer?
Timestamp Conversion Tool ships an update every 38 months, and Advanced JSON Viewer every 6 weeks. Most recently, Timestamp Conversion Tool was updated on September 10, 2026 and Advanced JSON Viewer on September 24, 2026.

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