# Precise Timestamp vs Date Time Calculator

The clearest difference is in-app purchases: Precise Timestamp at none against Date Time Calculator's 3. Precise Timestamp also leads on iOS requirement (13.0 vs 17.6). Date Time Calculator's advantage is update cadence (fortnightly vs every 5 weeks). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Date Time Calculator sells 3 one-off in-app purchases. Precise Timestamp asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Precise Timestamp against 5.0 for Date Time Calculator. Both are backed by a comparable volume of ratings — 7 and 7 respectively.

Precise Timestamp ships an update every 5 weeks, Date Time Calculator fortnightly. The most recent releases landed on September 3, 2026 and July 19, 2026 respectively.

## The numbers

| Metric | Precise Timestamp | Date Time Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (7 ratings)](https://appshunter.io/ios/app/precise-timestamp/id6463294734/reviews) | [5.0 (7 ratings)](https://appshunter.io/ios/app/date-time-calculator-tickr/id6469073541/reviews) |
| Number of ratings | 7 | 7 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Fortnightly** |
| Monetization | Free | Free |
| Size | 19 MB | 5 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Chris Gillin](https://appshunter.io/developer/1565599090) | [S Ravi Shankar](https://appshunter.io/developer/516903373) |

## 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


### Date Time Calculator

[App page](https://appshunter.io/ios/app/date-time-calculator-tickr/id6469073541)

Calculate the precise difference between two dates and times, down to the millisecond. Offers detailed breakdowns including days, hours, minutes, and seconds, with options to view weekdays or weekends only. Share your results easily with a clean, adaptable interface.

**Highlights:** Intuitive date and time setting, Calculate days, months, years, Detailed hour, minute, second, millisecond counts, Weekday and weekend specific calculations, One-tap result sharing, Light and dark mode options

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Tip - Support Date Diff | $0.99 | one-time |
| Medium Tip - Support Date Diff | $2.99 | one-time |
| Big Tip - Support Date Diff | $4.99 | one-time |


## Frequently asked questions

### Is Precise Timestamp free?

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

### Is Date Time Calculator free?

Date Time Calculator is free to download, with in-app purchases available.

### Which has better reviews, Precise Timestamp or Date Time Calculator?

Precise Timestamp and Date Time Calculator are both rated 5.0 out of 5 on the App Store, from 7 and 7 ratings respectively.

### Do Precise Timestamp or Date Time Calculator have ads?

Neither Precise Timestamp nor Date Time Calculator shows ads.

### Which is updated more often, Precise Timestamp or Date Time Calculator?

Precise Timestamp ships an update every 5 weeks, and Date Time Calculator fortnightly. Most recently, Precise Timestamp was updated on September 3, 2026 and Date Time Calculator on July 19, 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.*