Comparison

OneHandClock vs PlanetClock

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

PlanetClock

Features
Read full description

This is a simple clock app whose design has some similarities to a planet orbiting a star. I hope it can accompany you just like a planet, becoming an unchanging companion in your life. - Display the date in large fonts - Widgets - Switch between portrait and landscape mode - Switch between 12/24 hour clock - This application runs completely offline - Option to show the second hand of the clock - Option to display the date or clock separately - Option to display the upcoming holidays - Option to display an approximate position of the sun - Switch between dark or light color schemes - Support StandBy on iPhone (this feature requires iOS 17 or higher) - Support multitasking on iPad (iPad Split View, Slide Over and Stage Manager) - Support older models: On early models such as iPhone 5s, iPad mini 2, iPad Air, and iPod touch (6th generation), this app can be used when running iOS 11 and above (widget functionality requires iOS 14 or higher) NOTES: - By default, your device’s Auto-Lock is disabled while the app is active in the foreground.

Screenshots

OneHandClock4 screens
PlanetClock4 screens

Verdict

The call

The clearest difference is price: OneHandClock at Free against PlanetClock's $0.99. PlanetClock's advantage is ads (none vs shown) and update cadence (weekly vs every 26 months). On 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

OneHandClock is free to download; PlanetClock costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

OneHandClock ships an update every 26 months, PlanetClock weekly. The most recent releases landed on November 1, 2026 and November 4, 2026 respectively.

Scorecard4 real differences · 6 level
OneHandClock versus PlanetClock: the parameters behind the verdict, then further details
ParameterOneHandClockPlanetClock
PriceFree — better$0.99
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 iOS15.011.0 — better
Further details — not scored
Size8 MB11 MB
Age rating4+4+
DeveloperKeietsu Yasuhara宇帆 刘

In-app purchases

None

OneHandClock

No in-app purchases

None

PlanetClock

No in-app purchases

Questions

Is OneHandClock free?
OneHandClock is free to download, with no in-app purchases.
Is PlanetClock free?
PlanetClock costs $0.99, with no in-app purchases.
Do OneHandClock or PlanetClock have ads?
OneHandClock shows ads; PlanetClock does not.
Which is updated more often, OneHandClock or PlanetClock?
OneHandClock ships an update every 26 months, and PlanetClock weekly. Most recently, OneHandClock was updated on November 1, 2026 and PlanetClock on November 4, 2026.

Other comparisons