OneHandClock vs PlanetClock
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.
PlanetClock
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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
Verdict
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
OneHandClock is free to download; PlanetClock costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
OneHandClock ships an update every 26 months, PlanetClock weekly. The most recent releases landed on November 1, 2026 and November 4, 2026 respectively.
| Parameter | OneHandClock | PlanetClock |
|---|---|---|
| Price | Free — better | $0.99 |
| 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 | 11.0 — better |
| Further details — not scored | ||
| Size | 8 MB | 11 MB |
| Age rating | 4+ | 4+ |
| Developer | Keietsu Yasuhara | 宇帆 刘 |
In-app purchases
OneHandClock
No in-app purchases
PlanetClock
No in-app purchases









