# OneHandClock vs aClocks

The clearest difference is in-app purchases: OneHandClock at none against aClocks's 1. aClocks's advantage is ads (none vs shown) and update cadence (every 9 days vs every 26 months). On price and device support there is nothing between them.

Both are free to download. aClocks sells 1 one-off in-app purchase. OneHandClock asks for nothing beyond the download.

OneHandClock ships an update every 26 months, aClocks every 9 days. The most recent releases landed on August 17, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | OneHandClock | aClocks |
| --- | --- | --- |
| 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 | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 26 months | **Every 9 days** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 8 MB | 17 MB |
| Requires iOS | 15.0 | **9.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Keietsu Yasuhara](https://appshunter.io/developer/378538320) | [Tomoyuki Okawa](https://appshunter.io/developer/421623755) |

## 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


### aClocks

[App page](https://appshunter.io/ios/app/aclocks-international-clocks/id1193106356)

Display multiple analog clocks for cities worldwide. This app supports over 200 locations and observes daylight saving time and Japanese holidays with visual indicators. Choose from multiple languages for city and region names.

**Highlights:** Multiple analog clocks, Over 200 cities worldwide, Daylight saving time observation, Japanese holiday notifications, Multi-language support for city names, Offline functionality

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited clocks | $0.99 | one-time |


## Frequently asked questions

### Is OneHandClock free?

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

### Is aClocks free?

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

### Do OneHandClock or aClocks have ads?

OneHandClock shows ads; aClocks does not.

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

OneHandClock ships an update every 26 months, and aClocks every 9 days. Most recently, OneHandClock was updated on August 17, 2026 and aClocks on June 1, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*