# OneClock vs Durations

The clearest difference is price: OneClock at Free against Durations's $2.99. Durations's advantage is in-app purchases (none vs 2) and update cadence (every 6 weeks vs every 3 months). On ads, device support and iOS requirement there is nothing between them.

OneClock is free to download; Durations costs $2.99 up front. OneClock sells 2 in-app purchases, starting at $0.99 per month. Durations asks for nothing beyond the download.

OneClock ships an update every 3 months, Durations every 6 weeks. The most recent releases landed on September 22, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | OneClock | Durations |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | **[3.9 (9 ratings)](https://appshunter.io/ios/app/oneclock-a-simple-flip-clock/id1257395357/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 83.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 6 weeks** |
| Monetization | Subscription | — |
| Size | 11 MB | 13 MB |
| Requires iOS | **16.0** | 16.4 |
| Devices | iPhone, iPad, Mac | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Chengdu Reinvent Technology Co., Ltd.](https://appshunter.io/developer/1250290964) | [Steve Brost](https://appshunter.io/developer/1454455722) |

## What reviewers say

### 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 |


### Durations

[App page](https://appshunter.io/ios/app/durations/id1454456722)

**In-app purchases:** none


## Frequently asked questions

### Is OneClock free?

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

### Is Durations free?

Durations costs $2.99, with no in-app purchases.

### Do OneClock or Durations have ads?

Neither OneClock nor Durations shows ads.

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

OneClock ships an update every 3 months, and Durations every 6 weeks. Most recently, OneClock was updated on September 22, 2026 and Durations on September 21, 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.*