# OneHandClock vs ATclock

The clearest difference is ads: ATclock at none against OneHandClock's shown. ATclock also leads on update cadence (weekly vs every 26 months) and iOS requirement (9.0 vs 15.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

OneHandClock ships an update every 26 months, ATclock weekly. The most recent releases landed on September 28, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | OneHandClock | ATclock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (5 ratings)](https://appshunter.io/ios/app/onehandclock/id680030950/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 85.7% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 26 months | **Weekly** |
| Monetization | Ad-supported | — |
| Size | 8 MB | 11 MB |
| Requires iOS | 15.0 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Keietsu Yasuhara](https://appshunter.io/developer/378538320) | [ADSMART TECHNOLOGY LIMITED](https://appshunter.io/developer/1217365227) |

## What reviewers say

### OneHandClock

[App page](https://appshunter.io/ios/app/onehandclock/id680030950)

Experience a unique approach to timekeeping with a minimalist, single-hand clock. Customize backgrounds with your photos or camera, and choose between 12 or 24-hour formats with 10-minute increments. A three-hand option with a smooth second hand is also available.

**Highlights:** Single-hand clock display, 24-hour and 12-hour formats, 10-minute scale divisions, Optional second hand, Customizable clock position and size, Camera or photo backgrounds, Character customization on dial

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

**In-app purchases:** none


### ATclock

[App page](https://appshunter.io/ios/app/atclock/id1456453238)

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

**In-app purchases:** none


## Frequently asked questions

### Is OneHandClock free?

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

### Is ATclock free?

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

### Do OneHandClock or ATclock have ads?

OneHandClock shows ads; ATclock does not.

### Which is updated more often, OneHandClock or ATclock?

OneHandClock ships an update every 26 months, and ATclock weekly. Most recently, OneHandClock was updated on September 28, 2026 and ATclock on September 20, 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.*