# TrumpTime Date Calculator vs AtomicClock

The clearest difference is in-app purchases: TrumpTime Date Calculator at none against AtomicClock's 1. TrumpTime Date Calculator also leads on ads (none vs shown) and update cadence (every 10 days vs monthly). AtomicClock's advantage is review sentiment (84% vs 71%) and ratings volume (5.6K vs 808). On price, rating and device support there is nothing between them.

Both are free to download. AtomicClock sells 1 one-off in-app purchase. TrumpTime Date Calculator asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.7 for TrumpTime Date Calculator against 4.8 for AtomicClock. That said, the two scores are not equally well evidenced: AtomicClock has 5.6K ratings behind it against 808, so its average is the more settled of the two. Written reviews are what separate them: 71% of TrumpTime Date Calculator's written reviews are positive against 84% of AtomicClock's.

TrumpTime Date Calculator ships an update every 10 days, AtomicClock monthly. The most recent releases landed on October 21, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | TrumpTime Date Calculator | AtomicClock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (808 ratings)](https://appshunter.io/ios/app/trumptime-date-calculator/id1291886305/reviews) | **[4.8 (5.6K ratings)](https://appshunter.io/ios/app/atomicclock-ntp-time/id1402993049/reviews)** |
| Number of ratings | 808 | **5.6K** |
| Positive reviews | 71.4% of reviews | **84.3% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 10 days** | Monthly |
| Monetization | **Free** | Free with in-app purchases |
| Size | 13 MB | 17 MB |
| Requires iOS | **10.0** | 17.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Jonathan Blau](https://appshunter.io/developer/1218003229) | [Timo Partl](https://appshunter.io/developer/1387413672) |

## What reviewers say

### TrumpTime Date Calculator

[App page](https://appshunter.io/ios/app/trumptime-date-calculator/id1291886305)

Calculate the duration of a presidential term, including elapsed days, remaining days, and future projections. It also functions as a general date calculator for any two dates or time periods.

**Highlights:** Calculate elapsed and remaining presidential term days, Project future term lengths, General date calculator for any two dates, Calculate dates based on time periods, Progress bar visualization, Icon badge for daily updates, Copyable text descriptions of time calculations

**Features:** macOS Compatibility

**In-app purchases:** none


### AtomicClock

[App page](https://appshunter.io/ios/app/atomicclock-ntp-time/id1402993049)

This app displays the exact current time synchronized with NTP servers, offering a customizable clock view for precise time checks. It's ideal for setting watches, verifying timestamps, or comparing local and network time.

**Highlights:** Precise time from NTP servers, Customizable clock faces, Select or add time servers, Local and UTC views, 12/24 hour modes, Customizable time format, Acoustic ticking

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Pro Version | $6.99 | one-time |

**What reviewers like**

- 🚀 Accurate time
- 👍 Highly customizable
- 🚀 Precise to the second
- 👍 Easy to use
- 👍 Helpful for setting watches

**What reviewers complain about**

- 🐛 Server connection issues
- 🔍 Limited time zone options
- 💰 Ads diminish clock view
- 🔍 Lacks some advanced features
- 🔍 Redundant for some users

**Reported bugs**

- Crashes on certain iOS versions
- Occasional freezing of hands
- Countdown timer sound not working

**Requested features**

- Add GMT/dual time display
- Implement widget support
- Add different second hand sounds
- Allow setting background color to match watch
- Include alarm/timer functionality


## Frequently asked questions

### Is TrumpTime Date Calculator free?

TrumpTime Date Calculator is free to download, with no in-app purchases.

### Is AtomicClock free?

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

### Which has better reviews, TrumpTime Date Calculator or AtomicClock?

AtomicClock is rated higher. TrumpTime Date Calculator averages 4.7 out of 5 from 808 ratings, while AtomicClock averages 4.8 from 5.6K ratings.

### Do TrumpTime Date Calculator or AtomicClock have ads?

AtomicClock shows ads; TrumpTime Date Calculator does not.

### Which is updated more often, TrumpTime Date Calculator or AtomicClock?

TrumpTime Date Calculator ships an update every 10 days, and AtomicClock monthly. Most recently, TrumpTime Date Calculator was updated on October 21, 2026 and AtomicClock on October 23, 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.*