OneHandClock (Pro version) vs Sun Moon Day
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
OneHandClock (Pro version)
Experience a minimalist approach to timekeeping with a single-needle clock. Customize backgrounds, dial characters, and clock placement to create a unique visual timepiece. Enjoy both 24-hour and 12-hour formats with optional second-hand functionality.
- Single-needle clock design
- 24-hour and 12-hour formats
- Customizable clock position and size
- Background image or camera feed
- Customizable dial characters
- Optional second hand
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This is a one needle clock. Let's feel the passage of calm time. It is also compatible with iPad. - 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 also a free version of the one-hand clock with the same functions.
Sun Moon Day
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Sun Moon Day displays a real-time 24-hour sun clock and a 365-day seasonal clock, showing you exactly where you are in the day and year at a glance. Features: • 24-hour clock showing sunrise, sunset, and current sun position • Day/night visualization with real-time sky color transitions • 365-day orbit clock showing Earth's position and current season • Moon phase display with moonrise and moonset times • Optional NOAA weather display (US locations) • Support for multiple cities worldwide • Dark mode and daylight-adaptive backgrounds Sun Moon Day gives you an intuitive, visual sense of time — connecting you to the natural rhythms of the sun, moon, and seasons.
Screenshots
Verdict
The clearest difference is price: Sun Moon Day at Free against OneHandClock (Pro version)'s $1.99. Sun Moon Day also leads on update cadence (weekly vs every 6 weeks). On ads, in-app purchases, device support and iOS requirement 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
Sun Moon Day is free to download; OneHandClock (Pro version) costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
OneHandClock (Pro version) ships an update every 6 weeks, Sun Moon Day weekly. The most recent releases landed on September 21, 2026 and September 27, 2026 respectively.
| Parameter | OneHandClock (Pro version) | Sun Moon Day |
|---|---|---|
| Price | $1.99 | Free — better |
| Rating | 5.0 (2 ratings) — better | — |
| Positive reviews | 66.7% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 6 weeks | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 8 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Keietsu Yasuhara | Joseph Orr |
In-app purchases
OneHandClock (Pro version)
No in-app purchases
Sun Moon Day
No in-app purchases
Questions
Is OneHandClock (Pro version) free?
Is Sun Moon Day free?
Do OneHandClock (Pro version) or Sun Moon Day have ads?
Which is updated more often, OneHandClock (Pro version) or Sun Moon Day?
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