# Timestamp Conversion Tool vs JSON Brace

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.

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.

## The numbers

| Metric | Timestamp Conversion Tool | JSON Brace |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/timestamp-conversion-tool/id1598277673/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/json-brace-viewer-and-formatter/id6753739988/reviews) |
| Number of ratings | 1 | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 38 months | **Fortnightly** |
| Monetization | Paid | **Freemium** |
| Size | 11 MB | 2 MB |
| Requires iOS | **14.0** | 16.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Kosei Suzuki](https://appshunter.io/developer/319693641) | [Sergei Rebrov](https://appshunter.io/developer/1844376544) |

## What reviewers say

### Timestamp Conversion Tool

[App page](https://appshunter.io/ios/app/timestamp-conversion-tool/id1598277673)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### JSON Brace

[App page](https://appshunter.io/ios/app/json-brace-viewer-and-formatter/id6753739988)

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.

**Highlights:** 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

**Features:** Safari Extension, Family Sharing, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| JSON Brace Pro | $3.99 | one-time |


## Frequently asked questions

### Is Timestamp Conversion Tool free?

Timestamp Conversion Tool costs $1.99, with no in-app purchases.

### Is JSON Brace free?

JSON Brace is free to download, with in-app purchases available.

### Which has better reviews, Timestamp Conversion Tool or JSON Brace?

Timestamp Conversion Tool is rated higher. Timestamp Conversion Tool averages 5.0 out of 5 from 1 ratings, while JSON Brace averages 3.0 from 2 ratings.

### Do Timestamp Conversion Tool or JSON Brace have ads?

Neither Timestamp Conversion Tool nor JSON Brace shows ads.

### Which is updated more often, Timestamp Conversion Tool or JSON Brace?

Timestamp Conversion Tool ships an update every 38 months, and JSON Brace fortnightly. Most recently, Timestamp Conversion Tool was updated on September 10, 2026 and JSON Brace on September 10, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*