Timestamp Conversion Tool vs JSON Brace
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.
JSON Brace
This tool automatically formats and navigates JSON data directly within Safari. It offers smart detection, theme switching, and keyboard shortcuts for efficient data exploration. An optional Pro upgrade unlocks advanced features like lightning-fast search and custom expansion.
- Automatic JSON formatting
- Expand/collapse JSON objects and arrays
- Light and dark theme switching
- Keyboard shortcuts for navigation
- Pro version: lightning-fast search
- Pro version: copy and save JSON
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JSON Brace turns raw JSON into a clean, readable tree – in a native app on your iPhone, iPad, and Mac, and right inside Safari. APIs, logs, configs, exports – JSON is everywhere, but reading it raw is painful. JSON Brace formats it instantly into a collapsible tree you can explore, search, and copy from. THE APP • Open any JSON and explore it as an interactive tree • Collapse and expand nodes to focus on what matters • Fast search with match highlighting • Copy values or the whole document in one tap • RAW mode when you need the original text • Quick Look on the Mac: press Space on a JSON file in Finder for an instant preview in your theme THE SAFARI EXTENSION • Automatically detects and formats JSON on web pages • Perfect for checking API responses right in the browser • Same viewer, same themes, same shortcuts – no extra setup MADE TO LOOK GOOD • 19 carefully tuned themes: Solarized, Dracula, Nord, GitHub, Monokai, One Dark, Tokyo Night, Gruvbox, Catppuccin, Rosé Pine, and more • Light, dark, and system appearance • The whole app follows your theme, not just the tree BUILT FOR EVERYONE • Full VoiceOver support • Complete keyboard navigation • Adjustable text size and Dynamic Type • High Contrast theme and type markers that don't rely on color alone FREE AND PRO The core viewer is free: formatting, tree navigation, search, and copying. JSON Brace Pro unlocks the full theme collection, inline previews, expansion depth control, saving to a file, and copying any subtree, key, or path. Pro is a one-time purchase – no subscription – and supports Family Sharing. PRIVATE BY DESIGN Everything happens on your device. No servers, no accounts, no tracking, no analytics. Your data never leaves your iPhone, iPad, or Mac. Download JSON Brace and never squint at raw JSON again.
Screenshots
Verdict
The clearest difference is price: JSON Brace at Free against Timestamp Conversion Tool's $1.99. JSON Brace also leads on update cadence (fortnightly vs every 38 months). Timestamp Conversion Tool's advantage is rating (5.0 vs 3.0) and in-app purchases (none vs 1). On ratings volume, ads and device support 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 Brace is free to download; Timestamp Conversion Tool costs $1.99 up front. JSON Brace sells 1 one-off in-app purchase. Timestamp Conversion Tool asks for nothing beyond the download.
Timestamp Conversion Tool holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively.
Timestamp Conversion Tool ships an update every 38 months, JSON Brace fortnightly. Both last shipped on September 10, 2026.
| Parameter | Timestamp Conversion Tool | JSON Brace |
|---|---|---|
| Price | $1.99 | Free — better |
| Rating | 5.0 (1 ratings) — better | 3.0 (2 ratings) |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 1 | 2 — better |
| Update frequency | Every 38 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Freemium — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Requires iOS | 14.0 — better | 16.6 |
| Further details — not scored | ||
| Size | 11 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Kosei Suzuki | Sergei Rebrov |
Customer experience
Timestamp Conversion Tool
JSON Brace
In-app purchases
Timestamp Conversion Tool
No in-app purchases
JSON Brace
- JSON Brace Pro$3.99
Questions
Is Timestamp Conversion Tool free?
Is JSON Brace free?
Which has better reviews, Timestamp Conversion Tool or JSON Brace?
Do Timestamp Conversion Tool or JSON Brace have ads?
Which is updated more often, Timestamp Conversion Tool or JSON Brace?
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