# Precise Timestamp vs Atomic Clock

The clearest difference is iOS requirement: Precise Timestamp at 13.0 against Atomic Clock's 15.1. On price, ads, in-app purchases and device support there is nothing between them.

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

## The numbers

| Metric | Precise Timestamp | Atomic Clock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (7 ratings)](https://appshunter.io/ios/app/precise-timestamp/id6463294734/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | — |
| Monetization | Free | — |
| Size | 19 MB | 29 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Chris Gillin](https://appshunter.io/developer/1565599090) | [STAN I. C. ALEXANDRU PERSOANA FIZICA AUTORIZATA](https://appshunter.io/developer/1799569348) |

## 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


### Atomic Clock

[App page](https://appshunter.io/ios/app/atomic-clock-exact-time/id6752546454)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Precise Timestamp free?

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

### Is Atomic Clock free?

Atomic Clock is free to download, with no in-app purchases.

### Do Precise Timestamp or Atomic Clock have ads?

Neither Precise Timestamp nor Atomic Clock shows ads.

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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.*