# Timestamp Conversion Tool vs Json Genie

The clearest difference is price: Json Genie at Free against Timestamp Conversion Tool's $1.99. Json Genie also leads on update cadence (every 10 days vs every 38 months) and ratings volume (3 vs 1). Timestamp Conversion Tool's advantage is rating (5.0 vs 4.3) and in-app purchases (none vs 1). On device support there is nothing between them.

Json Genie is free to download; Timestamp Conversion Tool costs $1.99 up front. Json Genie 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 4.3. Both are backed by a comparable volume of ratings — 1 and 3 respectively.

Timestamp Conversion Tool ships an update every 38 months, Json Genie every 10 days. The most recent releases landed on September 10, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Timestamp Conversion Tool | Json Genie |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/timestamp-conversion-tool/id1598277673/reviews)** | [4.3 (3 ratings)](https://appshunter.io/ios/app/json-genie-json-editorviewer/id6762467992/reviews) |
| Number of ratings | 1 | **3** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 38 months | **Every 10 days** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 11 MB | 58 MB |
| Requires iOS | **14.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Kosei Suzuki](https://appshunter.io/developer/319693641) | [Tommy Uytterhaegen](https://appshunter.io/developer/1175932590) |

## 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 Genie

[App page](https://appshunter.io/ios/app/json-genie-json-editorviewer/id6762467992)

This app provides a fast and private way to view, edit, compare, and merge JSON files directly on your device. It offers a clear tree structure for browsing, powerful search capabilities, and formatting options without needing an account or cloud upload.

**Highlights:** View JSON in a tree structure, Edit JSON data safely, Compare JSON files, Merge JSON files, Search keys, values, and paths, Format and minify JSON, Private local workflow

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Json Genie Premium | $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 Genie free?

Json Genie is free to download, with in-app purchases available.

### Which has better reviews, Timestamp Conversion Tool or Json Genie?

Timestamp Conversion Tool is rated higher. Timestamp Conversion Tool averages 5.0 out of 5 from 1 ratings, while Json Genie averages 4.3 from 3 ratings.

### Do Timestamp Conversion Tool or Json Genie have ads?

Json Genie shows ads; Timestamp Conversion Tool does not.

### Which is updated more often, Timestamp Conversion Tool or Json Genie?

Timestamp Conversion Tool ships an update every 38 months, and Json Genie every 10 days. Most recently, Timestamp Conversion Tool was updated on September 10, 2026 and Json Genie on September 9, 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.*