# AtomicClock vs MultiClock Civil/Solar/Metric

The clearest difference is rating: AtomicClock at 4.8 against MultiClock Civil/Solar/Metric's 4.3. AtomicClock also leads on ratings volume (5.6K vs 4). MultiClock Civil/Solar/Metric's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. AtomicClock sells 1 one-off in-app purchase. MultiClock Civil/Solar/Metric asks for nothing beyond the download.

AtomicClock holds the better App Store score, 4.8 against 4.3. That said, the two scores are not equally well evidenced: AtomicClock has 5.6K ratings behind it against 4, so its average is the more settled of the two.

AtomicClock ships an update monthly, MultiClock Civil/Solar/Metric every 3 weeks. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | AtomicClock | MultiClock Civil/Solar/Metric |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (5.6K ratings)](https://appshunter.io/ios/app/atomicclock-ntp-time/id1402993049/reviews)** | [4.3 (4 ratings)](https://appshunter.io/ios/app/multiclock-civilsolarmetric/id6468424886/reviews) |
| Number of ratings | **5.6K** | 4 |
| Positive reviews | 84.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 17 MB | 1 MB |
| Requires iOS | 17.4 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Timo Partl](https://appshunter.io/developer/1387413672) | [Michael Olson](https://appshunter.io/developer/1709885754) |

## What reviewers say

### 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


### MultiClock Civil/Solar/Metric

[App page](https://appshunter.io/ios/app/multiclock-civilsolarmetric/id6468424886)

This utility app displays time in multiple formats, including civil, solar, and metric. It offers a progress bar for the day's elapsed percentage and shows sunrise/sunset times. A converter tool allows for easy time conversions between different systems.

**Highlights:** Civil time with DST, Solar time based on sun position, Metric time (10,000 units per day), Daily progress bar, Sunrise and sunset times, Time converter tool

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is AtomicClock free?

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

### Is MultiClock Civil/Solar/Metric free?

MultiClock Civil/Solar/Metric is free to download, with no in-app purchases.

### Which has better reviews, AtomicClock or MultiClock Civil/Solar/Metric?

AtomicClock is rated higher. AtomicClock averages 4.8 out of 5 from 5.6K ratings, while MultiClock Civil/Solar/Metric averages 4.3 from 4 ratings.

### Do AtomicClock or MultiClock Civil/Solar/Metric have ads?

AtomicClock shows ads; MultiClock Civil/Solar/Metric does not.

### Which is updated more often, AtomicClock or MultiClock Civil/Solar/Metric?

AtomicClock ships an update monthly, and MultiClock Civil/Solar/Metric every 3 weeks. Most recently, AtomicClock was updated on November 2, 2026 and MultiClock Civil/Solar/Metric on November 3, 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.*