Comparison

OneHandClock vs ATclock

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

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
Read full description

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.

About

ATclock

Features
Read full description

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

OneHandClock4 screens
ATclock3 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

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

Scorecard3 real differences · 7 level
OneHandClock versus ATclock: the parameters behind the verdict, then further details
ParameterOneHandClockATclock
PriceFreeFree
Rating4.6 (5 ratings) — better—
Positive reviews85.7% of reviews—
Number of ratings5 — better—
Update frequencyEvery 26 monthsWeekly — better
AdsYesNo — better
In-app purchasesNoNo
MonetizationAd-supported—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.09.0 — better
Further details — not scored
Size8 MB11 MB
Age rating4+4+
DeveloperKeietsu YasuharaADSMART TECHNOLOGY LIMITED

In-app purchases

None

OneHandClock

No in-app purchases

None

ATclock

No in-app purchases

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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