# Precise Timestamp vs Unix TimeStamp

The clearest difference is monetization model: Precise Timestamp at free against Unix TimeStamp's ad-supported. Precise Timestamp also leads on ratings volume (7 vs 1) and iOS requirement (13.0 vs 15.6). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for Precise Timestamp against 5.0 for Unix TimeStamp. That said, the two scores are not equally well evidenced: Precise Timestamp has 7 ratings behind it against 1, so its average is the more settled of the two.

Precise Timestamp ships an update every 5 weeks, Unix TimeStamp every 6 weeks. The most recent releases landed on September 3, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Precise Timestamp | Unix TimeStamp |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (7 ratings)](https://appshunter.io/ios/app/precise-timestamp/id6463294734/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/unix-timestamp/id6737517840/reviews) |
| Number of ratings | **7** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 6 weeks |
| Monetization | **Free** | Ad-supported |
| Size | 19 MB | 4 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPod, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Chris Gillin](https://appshunter.io/developer/1565599090) | [灿耿 陈](https://appshunter.io/developer/1688324562) |

## What reviewers say

### Precise Timestamp

[App page](https://appshunter.io/ios/app/precise-timestamp/id6463294734)

Capture events with unparalleled accuracy, down to the tenth of a second. Synchronize with NTP servers for precise timekeeping and view detailed sync information. Organize events with descriptions and toggle between absolute and relative time displays.

**Highlights:** NTP server synchronization, Tenth-of-a-second accuracy, Absolute and relative time modes, Event descriptions, Event sorting and grouping, Sync time details

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

**In-app purchases:** none


### Unix TimeStamp

[App page](https://appshunter.io/ios/app/unix-timestamp/id6737517840)

This tool simplifies working with Unix timestamps, offering one-click display and copying. It supports switching between second and millisecond precision, bidirectional conversion to human-readable dates, and multi-time zone conversions.

**Highlights:** One-click timestamp display, One-click copy to clipboard, Second and millisecond precision toggle, Bidirectional timestamp to date conversion, Multi-time zone conversion, Manual data copying

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Precise Timestamp free?

Precise Timestamp is free to download, with no in-app purchases.

### Is Unix TimeStamp free?

Unix TimeStamp is free to download, with no in-app purchases.

### Which has better reviews, Precise Timestamp or Unix TimeStamp?

Precise Timestamp and Unix TimeStamp are both rated 5.0 out of 5 on the App Store, from 7 and 1 ratings respectively.

### Do Precise Timestamp or Unix TimeStamp have ads?

Neither Precise Timestamp nor Unix TimeStamp shows ads.

### Which is updated more often, Precise Timestamp or Unix TimeStamp?

Precise Timestamp ships an update every 5 weeks, and Unix TimeStamp every 6 weeks. Most recently, Precise Timestamp was updated on September 3, 2026 and Unix TimeStamp 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.*