# C vs OneClock

The clearest difference is price: OneClock at Free against C's $9.99. OneClock also leads on device support (3 vs 1). C's advantage is rating (4.4 vs 3.9) and in-app purchases (none vs 2). On review sentiment, ads and iOS requirement there is nothing between them.

OneClock is free to download; C costs $9.99 up front. OneClock sells 2 in-app purchases, starting at $0.99 per month. C asks for nothing beyond the download.

C holds the better App Store score, 4.4 against 3.9. Both are backed by a comparable volume of ratings — 39 and 9 respectively. Written reviews complicate that: 77% of C's written reviews are positive against 83% of OneClock's, so the app with the better star average is not the one people write more warmly about.

C ships an update every 5 weeks, OneClock every 3 months. The most recent releases landed on October 13, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | C | OneClock |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Rating | **[4.4 (39 ratings)](https://appshunter.io/ios/app/c-time/id553940406/reviews)** | [3.9 (9 ratings)](https://appshunter.io/ios/app/oneclock-a-simple-flip-clock/id1257395357/reviews) |
| Number of ratings | **39** | 9 |
| Positive reviews | 76.7% of reviews | **83.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 3 months |
| Monetization | **Free** | Subscription |
| Size | 3 MB | 11 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPhone | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Siegware](https://appshunter.io/developer/443908611) | [Chengdu Reinvent Technology Co., Ltd.](https://appshunter.io/developer/1250290964) |

## What reviewers say

### C

[App page](https://appshunter.io/ios/app/c-time/id553940406)

Automatically track time spent at predefined locations like work or school. The app uses geofencing to log your entries and exits, providing daily, monthly, and yearly summaries. You can also manually start/stop tracking, edit entries, and export your data.

**Highlights:** Automatic time registration at places, Arrival/departure notifications, Manual start/stop counting, Edit recorded times, Export time data, Post time to social media

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

**In-app purchases:** none

**What reviewers like**

- 👍 Automatic time tracking
- 💡 Useful for salaried employees
- ✅ Accurate location logging
- ⏱️ Helps reconstruct time reports
- 🗺️ Tracks time at various locations

**What reviewers complain about**

- 🐛 Auto clock-in/out issues
- 📍 Geofence radius too large
- 🗺️ Difficulty adding new locations
- 📱 UI outdated/not optimized
- ❓ No privacy details provided

**Reported bugs**

- Automatic clock-in/out not triggering
- Locations not registering after iOS update
- Geofencing issues with iOS 15
- App switching continuously between two places
- Cannot add a name to a place

**Requested features**

- Fix automatic clock-in/out bug
- Improve location accuracy/radius control
- Link to Apple/Google Maps for address input
- Add client/job/project tracking
- Add notes/comments field


### OneClock

[App page](https://appshunter.io/ios/app/oneclock-a-simple-flip-clock/id1257395357)

This app offers a variety of customizable clock styles for desktop and mobile devices. Enjoy features like adjustable display modes, font customization, and transparency settings, with multiple clock designs available.

**Highlights:** Multiple clock styles (Flip, Digital, Dial), Desktop display on macOS, Customizable font and transparency, Portrait and landscape modes, Screen not quenching, Home screen and widget support

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $0.99 | per month |
| Yearly | $9.99 | per year |


## Frequently asked questions

### Is C free?

C costs $9.99, with no in-app purchases.

### Is OneClock free?

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

### Which has better reviews, C or OneClock?

C is rated higher. C averages 4.4 out of 5 from 39 ratings, while OneClock averages 3.9 from 9 ratings.

### Do C or OneClock have ads?

Neither C nor OneClock shows ads.

### Which is updated more often, C or OneClock?

C ships an update every 5 weeks, and OneClock every 3 months. Most recently, C was updated on October 13, 2026 and OneClock on October 8, 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.*