NormalClock vs SFClock
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
NormalClock
This utility app functions as a basic clock with alarm features. It allows customization of alarm sounds using iPod library tunes and includes a screen burn-in prevention mechanism by slightly shifting the clock's position.
- Customizable alarm sounds
- iPod library integration for alarm tunes
- Screen burn-in prevention
- Alarm on/off functionality
- Alarm time setting
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It is a normal clock. There is a shadow on the clock hand. Alarm on/off pushes the icon. The alarm time setting begins the drug from the clock center. Alarm stop pushes the icon. Please push the power supply button after pushing the home button when you erase the screen after the alarm is set. The alarm sound can be set according to an arbitrary number of seconds for an arbitrary iPod library tune. ( The correspondence music file is only AAC(.m4a) and MP3 of 44.1k and stereo file. AAC file is quick.alarm sound is 60 sec. ) Please do not erase the application with the alarm set. The alarm is not stopped. It is by design that the clock position has moved slightly to prevent screen burn-in. However, please note that this does not completely prevent burn-in.
SFClock
This utility app displays a flip clock and calendar. It offers customizable clock settings like 12/24 hour format and seconds display. Users can navigate the calendar and choose from various light and dark color themes.
- Flip clock display
- Calendar view
- 12/24 hour format
- Seconds display toggle
- Calendar month navigation
- Color themes
- Light/dark mode
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SFClock is a simple flip clock and calendar App. Flip clock and calendar are displayed in portrait, and only clock in landscape. You can change 12/24 hours and seconds display of clock. You also can move month in calendar with the arrows, and back to current month by tapping the month title. There are many color themes, and you can choose a light or dark one to use.
Screenshots
Verdict
The clearest difference is price: SFClock at Free against NormalClock's $0.99. SFClock also leads on rating (4.5 vs 1.0) and ratings volume (4 vs 1). NormalClock's advantage is review sentiment (50% vs 33%) and iOS requirement (15.0 vs 17.0). On update cadence, ads, 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
SFClock is free to download; NormalClock costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
SFClock holds the better App Store score, 4.5 against 1.0. Both are backed by a comparable volume of ratings — 1 and 4 respectively. Written reviews complicate that: 50% of NormalClock's written reviews are positive against 33% of SFClock's, so the app with the better star average is not the one people write more warmly about.
NormalClock ships an update every 10 months, SFClock every 5 months. The most recent releases landed on October 15, 2026 and October 2, 2026 respectively.
| Parameter | NormalClock | SFClock |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 1.0 (1 ratings) | 4.5 (4 ratings) — better |
| Positive reviews | 50.0% of reviews — better | 33.3% of reviews |
| Number of ratings | 1 | 4 — better |
| Update frequency | Every 10 months | Every 5 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Vision Pro |
| Requires iOS | 15.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 3 MB | 0 MB |
| Age rating | 4+ | 4+ |
| Developer | r2r660cc | Yafei Dong |
Customer experience
NormalClock
SFClock
In-app purchases
NormalClock
No in-app purchases
SFClock
No in-app purchases
Questions
Is NormalClock free?
Is SFClock free?
Which has better reviews, NormalClock or SFClock?
Do NormalClock or SFClock have ads?
Which is updated more often, NormalClock or SFClock?
Other comparisons
