# Atomic Clock PRO vs Digital Clock

The clearest difference is ratings volume: Atomic Clock PRO at 10K against Digital Clock's 108. Digital Clock's advantage is update cadence (monthly vs every 3 months). On price, rating, review sentiment and ads there is nothing between them.

Both are free to download. Atomic Clock PRO sells 2 in-app purchases, starting at $1.99 per month and Digital Clock sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.7 for Atomic Clock PRO against 4.7 for Digital Clock. That said, the two scores are not equally well evidenced: Atomic Clock PRO has 10K ratings behind it against 108, so its average is the more settled of the two. Written reviews are what separate them: 73% of Atomic Clock PRO's written reviews are positive against 67% of Digital Clock's.

Atomic Clock PRO ships an update every 3 months, Digital Clock monthly. The most recent releases landed on September 25, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Atomic Clock PRO | Digital Clock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (10K ratings)](https://appshunter.io/ios/app/atomic-clock-pro/id899090224/reviews) | [4.7 (108 ratings)](https://appshunter.io/ios/app/digital-clock-neo/id1615190371/reviews) |
| Number of ratings | **10K** | 108 |
| Positive reviews | **72.7% of reviews** | 66.7% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 6 MB | 34 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Brachmann Online Marketing GmbH & Co. KG](https://appshunter.io/developer/682848918) | [taishin miyamoto](https://appshunter.io/developer/1570395608) |

## What reviewers say

### Atomic Clock PRO

[App page](https://appshunter.io/ios/app/atomic-clock-pro/id899090224)

Get the most accurate time from an official atomic clock server. This app automatically detects your time zone and allows custom backgrounds. Easily switch between digital and analog clock displays with a swipe.

**Highlights:** Exact time from atomic clock, Automatic time zone recognition, Customizable background images, Digital and analog clock modes, Optional sound alerts, Color customization

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $1.99 | per month |
| Remove Ads | $5.99 | one-time |

**What reviewers like**

- ⭐ Accurate time display
- 📟 Useful for timing events
- 🕰️ Helpful for setting other clocks
- 🔍 Large, easy-to-read clock face

**What reviewers complain about**

- 💸 Subscription model for ad-free version
- 📢 Excessive advertisements
- 🔍 Small font for seconds display
- 🔀 Difficulty in displaying both analog and digital clocks simultaneously

**Reported bugs**

- Second hand occasionally runs in reverse
- Digital clock display cuts off on some devices
- Inconsistent behavior when switching between clock types

**Requested features**

- Customizable clock face options
- Ability to set widget on home screen
- Sync with system clock to automatically update time


### Digital Clock

[App page](https://appshunter.io/ios/app/digital-clock-neo/id1615190371)

A stylish and sophisticated digital clock app with a simple, beautiful design and comfortable usability. It offers accurate time display, customizable backgrounds, and color themes to suit your mood and preferences.

**Highlights:** Professional digital clock display, Customizable backgrounds, Multiple color themes, Intuitive UI design, Easy-to-read interface

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $1.99 | per month |
| Premium Yearly | $19.99 | per year |
| Premium | $5.99 | one-time |


## Frequently asked questions

### Is Atomic Clock PRO free?

Atomic Clock PRO is free to download, with in-app purchases available.

### Is Digital Clock free?

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

### Which has better reviews, Atomic Clock PRO or Digital Clock?

Atomic Clock PRO and Digital Clock are both rated 4.7 out of 5 on the App Store, from 10K and 108 ratings respectively.

### Do Atomic Clock PRO or Digital Clock have ads?

Both Atomic Clock PRO and Digital Clock show ads.

### Which is updated more often, Atomic Clock PRO or Digital Clock?

Atomic Clock PRO ships an update every 3 months, and Digital Clock monthly. Most recently, Atomic Clock PRO was updated on September 25, 2026 and Digital Clock on September 10, 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.*