# ecoClock vs OneHandClock

The clearest difference is rating: OneHandClock at 4.6 against ecoClock's 4.0. OneHandClock also leads on in-app purchases (none vs 3) and review sentiment (86% vs 56%). ecoClock's advantage is update cadence (every 3 months vs every 26 months) and iOS requirement (8.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. ecoClock sells 3 one-off in-app purchases. OneHandClock asks for nothing beyond the download.

OneHandClock holds the better App Store score, 4.6 against 4.0. That said, the two scores are not equally well evidenced: OneHandClock has 5 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 56% of ecoClock's written reviews are positive against 86% of OneHandClock's.

ecoClock ships an update every 3 months, OneHandClock every 26 months. The most recent releases landed on September 8, 2026 and August 17, 2026 respectively.

## The numbers

| Metric | ecoClock | OneHandClock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (1 ratings)](https://appshunter.io/ios/app/ecoclock/id499209431/reviews) | **[4.6 (5 ratings)](https://appshunter.io/ios/app/onehandclock/id680030950/reviews)** |
| Number of ratings | 1 | **5** |
| Positive reviews | 56.3% of reviews | **85.7% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 3 months** | Every 26 months |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 29 MB | 8 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Atsuhiko Tanaka](https://appshunter.io/developer/490968621) | [Keietsu Yasuhara](https://appshunter.io/developer/378538320) |

## What reviewers say

### ecoClock

[App page](https://appshunter.io/ios/app/ecoclock/id499209431)

This app offers a suite of essential tools for daily life, including world clocks, alarms, timers, and a stopwatch. It also provides simple utilities like a compass, spirit level, and calculator, with customizable wallpaper options.

**Highlights:** World date and clock display, Customizable alarms and timers, Stopwatch with 1/100 sec precision, Simple utility tools (compass, spirit level, calculator), Adjustable screen brightness timer, Customizable wallpaper, Battery status display

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| iPhone version | $5.99 | one-time |
| iPad version | $8.99 | one-time |
| Full version | $11.99 | one-time |


### 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


## Frequently asked questions

### Is ecoClock free?

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

### Is OneHandClock free?

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

### Which has better reviews, ecoClock or OneHandClock?

OneHandClock is rated higher. ecoClock averages 4.0 out of 5 from 1 ratings, while OneHandClock averages 4.6 from 5 ratings.

### Do ecoClock or OneHandClock have ads?

Both ecoClock and OneHandClock show ads.

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

ecoClock ships an update every 3 months, and OneHandClock every 26 months. Most recently, ecoClock was updated on September 8, 2026 and OneHandClock on August 17, 2026.

---

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