OneHandClock vs ATclock
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
OneHandClock
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.
- 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
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This is a one needle clock. Let's feel the passage of calm time. - One-stitch clock -> 24-hour clock. The day-time is an upper half and the night-time is a lower half. -> 12-hour clock. -> The smallest scale division is 10 minutes. - Three-stitch clock - > The second hand is a clock which gains smoothly. - You can change the position and size of the clock. - You can choose a camera image or a photo as the background of the clock. - Please write a favorite character in a dial and make it your clock. - If it puts sideways, a status bar will not be displayed. - When continuing displaying in "Auto sleep"-off, we recommend you to connect with a power supply. There is a paid version "oneHandClock (Pro version)" that does not display advertisements.
ATclock
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The APP ATClock is for controlling the LED clock. Users can view the information anytime and anywhere after connecting. You can easily set the alarm, count down timer, brightness, switch the temperature unit, etc.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | OneHandClock | ATclock |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (5 ratings) — better | — |
| Positive reviews | 85.7% of reviews | — |
| Number of ratings | 5 — better | — |
| Update frequency | Every 26 months | Weekly — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 9.0 — better |
| Further details — not scored | ||
| Size | 8 MB | 11 MB |
| Age rating | 4+ | 4+ |
| Developer | Keietsu Yasuhara | ADSMART TECHNOLOGY LIMITED |
In-app purchases
OneHandClock
No in-app purchases
ATclock
No in-app purchases








