SClock vs Old Device Clock & Calendar
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SClock
This app offers a customizable clock with adjustable display sizes and color options. It features dual timers with customizable sounds and visual cues, perfect for time management tasks like Pomodoro.
- Adjustable display size
- Color selectable clock face
- Dual timer functionality
- Customizable countdown sounds
- Color-coded time display
- Simple, easy-to-read design
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・ 24H / 12H calendar Simple clock function with color selectable ・The sound before the start, the countdown sound, the color display can be changed according to the remaining time, and the two timers can be switched, making it ideal for pomodoro timers, etc.The sound before the start, the countdown sound, the color display can be changed according to the remaining time, and the two timers can be switched, making it ideal for pomodoro timers, etc. ・By switching between large format and middle size display, it is easy to use at hand and has excellent visibility from a distance in a wide place. ・Simple and easy-to-read design. You can use it in any situation such as studying, meetings, presentations, sports, fitness, cooking, etc.
Old Device Clock & Calendar
Transform an old iPhone or iPad into a dedicated analog clock and monthly calendar display. This app offers a focused, offline experience with customizable appearance and week start day. It's a one-time purchase with no ads, tracking, or subscriptions.
- Analog clock display
- Monthly calendar view
- Offline functionality
- Light and dark appearance
- Customizable week start day
- No ads or tracking
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Old Device Clock & Calendar helps you reuse an older iPhone or iPad as a simple clock and monthly calendar display. The app works offline and keeps the experience focused: an analog clock, a monthly calendar, light and dark appearance, and a choice of week start day. No account. No ads. No tracking. No subscriptions. Just a one-time purchase for a quiet, always-available clock and calendar.
Screenshots
Verdict
The clearest difference is price: SClock at Free against Old Device Clock & Calendar's $5.99. Old Device Clock & Calendar's advantage is in-app purchases (none vs 1) and ads (none vs shown). On 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
SClock is free to download; Old Device Clock & Calendar costs $5.99 up front. SClock sells 1 in-app purchase, starting at $0.99 per month. Old Device Clock & Calendar asks for nothing beyond the download.
SClock ships an update fortnightly, Old Device Clock & Calendar weekly. The most recent releases landed on October 23, 2026 and October 8, 2026 respectively.
| Parameter | SClock | Old Device Clock & Calendar |
|---|---|---|
| Price | Free — better | $5.99 |
| Rating | 4.3 (24 ratings) — better | — |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 24 — better | — |
| Update frequency | Fortnightly | Weekly — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases — better | Paid |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.1 | 12.0 — better |
| Further details — not scored | ||
| Size | 30 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | Hajime Suzuki | Taichi Umeki |
In-app purchases
SClock
- premium$0.991 Month
Old Device Clock & Calendar
No in-app purchases
Questions
Is SClock free?
Is Old Device Clock & Calendar free?
Do SClock or Old Device Clock & Calendar have ads?
Which is updated more often, SClock or Old Device Clock & Calendar?
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