# ClockMode vs Atomic Clock

The clearest difference is review sentiment: Atomic Clock at 100% against ClockMode's 0%. Atomic Clock also leads on rating (4.8 vs 2.0) and ratings volume (4 vs 1). ClockMode's advantage is in-app purchases (none vs 2) and update cadence (every 4 days vs every 6 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Atomic Clock sells 2 in-app purchases, starting at $5.99 per month. ClockMode asks for nothing beyond the download.

Atomic Clock holds the better App Store score, 4.8 against 2.0. Both are backed by a comparable volume of ratings — 1 and 4 respectively. Written reviews point the same way: 0% of ClockMode's written reviews are positive against 100% of Atomic Clock's.

ClockMode ships an update every 4 days, Atomic Clock every 6 weeks. The most recent releases landed on September 20, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | ClockMode | Atomic Clock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.0 (1 ratings)](https://appshunter.io/ios/app/clockmode/id6741057682/reviews) | **[4.8 (4 ratings)](https://appshunter.io/ios/app/atomic-clock-precision-time/id6760377377/reviews)** |
| Number of ratings | 1 | **4** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 6 weeks |
| Monetization | **Free** | Free with in-app purchases |
| Size | 2 MB | 9 MB |
| Requires iOS | 18.2 | **17.6** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [youngsoo jin](https://appshunter.io/developer/1852718084) | [家宝 戴](https://appshunter.io/developer/1826395838) |

## What reviewers say

### ClockMode

[App page](https://appshunter.io/ios/app/clockmode/id6741057682)

This app offers a minimalist digital clock designed to eliminate distractions and help users focus on the present moment. It provides extensive personalization options for color and a distraction-free interface with no ads or clutter.

**Highlights:** Distraction-free interface, Customizable colors, Screen lock for uninterrupted use, High-contrast display, Minimalist design

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

**In-app purchases:** none


### Atomic Clock

[App page](https://appshunter.io/ios/app/atomic-clock-precision-time/id6760377377)

This utility provides highly accurate time synchronization using NTP, displaying precise time with millisecond detail. It allows comparison with network time, shows sync offset and latency, and offers various clock styles with customization options. It's designed for users needing a reliable, precise reference clock.

**Highlights:** NTP-based time synchronization, Millisecond time detail, Local time and UTC display, Device offset and network latency indicators, Automatic sync, Multiple clock styles, Customizable colors and night mode

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AtomicClock Pro Monthly | $5.99 | per month |
| AtomicClock Pro Monthly | $19.99 | per year |


## Frequently asked questions

### Is ClockMode free?

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

### Is Atomic Clock free?

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

### Which has better reviews, ClockMode or Atomic Clock?

Atomic Clock is rated higher. ClockMode averages 2.0 out of 5 from 1 ratings, while Atomic Clock averages 4.8 from 4 ratings.

### Do ClockMode or Atomic Clock have ads?

Neither ClockMode nor Atomic Clock shows ads.

### Which is updated more often, ClockMode or Atomic Clock?

ClockMode ships an update every 4 days, and Atomic Clock every 6 weeks. Most recently, ClockMode was updated on September 20, 2026 and Atomic Clock on October 6, 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.*