Binary Clock vs SFClock
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Binary Clock
This app displays the current time in a unique binary format, presented with an analog clock aesthetic. It offers settings to aid readability and can function as a screen saver while devices are charging.
- Analog format binary time display
- Readability settings with number display
- Screen saver functionality
- Unique geek gadget appeal
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Binary Clock is a Top Geek Gadget! Impress your friends! Show them your new skills. Be In and be a Computer Geek! This binary clock shows you binary time in analog clock look. Features: * Analog format - never seen before * Settings to help you reading (showing numbers) * Use it as "screen saver" on your iPhone/iPod while charging Write us suggestions, ideas or problems in our Support page.
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 review sentiment: Binary Clock at 100% against SFClock's 33%. Binary Clock also leads on rating (5.0 vs 4.5) and iOS requirement (8.0 vs 17.0). SFClock's advantage is in-app purchases (none vs 1) and update cadence (every 5 months vs every 69 months). On price, ads, monetization model 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
Both are free to download. Binary Clock sells 1 one-off in-app purchase. SFClock asks for nothing beyond the download.
Binary Clock holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 1 and 4 respectively. Written reviews point the same way: 100% of Binary Clock's written reviews are positive against 33% of SFClock's.
Binary Clock ships an update every 69 months, SFClock every 5 months. The most recent releases landed on October 8, 2026 and October 2, 2026 respectively.
| Parameter | Binary Clock | SFClock |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | 4.5 (4 ratings) |
| Positive reviews | 100.0% of reviews — better | 33.3% of reviews |
| Number of ratings | 1 | 4 — better |
| Update frequency | Every 69 months | Every 5 months — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Vision Pro |
| Requires iOS | 8.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 12 MB | 0 MB |
| Age rating | 4+ | 4+ |
| Developer | BeanOX GmbH | Yafei Dong |
Customer experience
Binary Clock
SFClock
In-app purchases
Binary Clock
- Coffee for Developer$0.99
SFClock
No in-app purchases
Questions
Is Binary Clock free?
Is SFClock free?
Which has better reviews, Binary Clock or SFClock?
Do Binary Clock or SFClock have ads?
Which is updated more often, Binary Clock or SFClock?
Other comparisons
