# OneHandClock vs Catty Timer

The clearest difference is ads: Catty Timer at none against OneHandClock's shown. Catty Timer also leads on update cadence (daily vs every 26 months). OneHandClock's advantage is device support (3 vs 1). On price, in-app purchases and iOS requirement 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, Catty Timer daily. The most recent releases landed on October 23, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | OneHandClock | Catty Timer |
| --- | --- | --- |
| 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 | **Daily** |
| Monetization | Ad-supported | — |
| Size | 8 MB | 8 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Keietsu Yasuhara](https://appshunter.io/developer/378538320) | [忆倩 刘](https://appshunter.io/developer/1492807169) |

## 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


### Catty Timer

[App page](https://appshunter.io/ios/app/catty-timer/id6503707537)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is OneHandClock free?

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

### Is Catty Timer free?

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

### Do OneHandClock or Catty Timer have ads?

OneHandClock shows ads; Catty Timer does not.

### Which is updated more often, OneHandClock or Catty Timer?

OneHandClock ships an update every 26 months, and Catty Timer daily. Most recently, OneHandClock was updated on October 23, 2026 and Catty Timer on October 25, 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.*