# CASIO WATCH+ vs AtomicClock

The clearest difference is review sentiment: AtomicClock at 84% against CASIO WATCH+'s 18%. AtomicClock also leads on rating (4.8 vs 2.9) and ratings volume (5.5K vs 44). CASIO WATCH+'s advantage is in-app purchases (none vs 1) and ads (none vs shown). On price, update cadence and device support there is nothing between them.

Both are free to download. AtomicClock sells 1 one-off in-app purchase. CASIO WATCH+ asks for nothing beyond the download.

AtomicClock holds the better App Store score, 4.8 against 2.9. That said, the two scores are not equally well evidenced: AtomicClock has 5.5K ratings behind it against 44, so its average is the more settled of the two. Written reviews point the same way: 18% of CASIO WATCH+'s written reviews are positive against 84% of AtomicClock's.

CASIO WATCH+ ships an update monthly, AtomicClock every 3 weeks. The most recent releases landed on October 9, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | CASIO WATCH+ | AtomicClock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.9 (44 ratings)](https://appshunter.io/ios/app/casio-watch-plus/id760165998/reviews) | **[4.8 (5.5K ratings)](https://appshunter.io/ios/app/atomicclock-ntp-time/id1402993049/reviews)** |
| Number of ratings | 44 | **5.5K** |
| Positive reviews | 17.7% of reviews | **84.2% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 69 MB | 17 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [CASIO COMPUTER CO., LTD.](https://appshunter.io/developer/456569836) | [Timo Partl](https://appshunter.io/developer/1387413672) |

## What reviewers say

### CASIO WATCH+

[App page](https://appshunter.io/ios/app/casio-watch-plus/id760165998)

Connect your compatible CASIO watch to your iPhone via Bluetooth to unlock enhanced Mobile Link functions. This application simplifies watch operations by allowing you to control them from your phone screen, enriching your overall experience.

**Highlights:** Bluetooth v4.0 connectivity, Mobile Link functions, Simplified watch operations, iPhone integration, Remote control via phone screen

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Works well with iPhone 6/6s
- 👍 Easy to use interface
- 👍 Able to sync watch settings
- 👍 Helpful support for clearing pairing info

**What reviewers complain about**

- 🐛 Connectivity issues with newer iPhones
- 🐛 App crashes frequently
- 🐛 Fails to connect to watch
- 🐛 Unreliable Bluetooth connection
- 🐛 Time/date sync problems

**Reported bugs**

- Compatibility issues with iOS updates
- Pairing problems with iPhone 6/6s/7
- Sync failures and connection drops
- Watch settings not transferring properly

**Requested features**

- Show watch battery status
- Add more world time cities
- Improve phone finder functionality
- Allow more control over alarms/timers


### 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 CASIO WATCH+ free?

CASIO WATCH+ 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, CASIO WATCH+ or AtomicClock?

AtomicClock is rated higher. CASIO WATCH+ averages 2.9 out of 5 from 44 ratings, while AtomicClock averages 4.8 from 5.5K ratings.

### Do CASIO WATCH+ or AtomicClock have ads?

AtomicClock shows ads; CASIO WATCH+ does not.

### Which is updated more often, CASIO WATCH+ or AtomicClock?

CASIO WATCH+ ships an update monthly, and AtomicClock every 3 weeks. Most recently, CASIO WATCH+ was updated on October 9, 2026 and AtomicClock on October 14, 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.*