ClockAPX vs Rubber Clock
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ClockAPX
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ClockAPX turns your iPhone into a customizable clock studio for TVs and external displays. Pick a clock face, tune the look, and mirror it in real time for desks, studios, classrooms, and focus sessions. What you can do - Mirror your selected clock to a TV or external display with live updates - Choose from a large library of clock faces across digital, analog, world clock, and timer styles - Run timers your way: Countdown, Stopwatch, Interval/HIIT, and Pomodoro Ring - Add world clocks and reorder time zones for global teams and travel - Personalize typography, 24-hour format, seconds/date visibility, and layout details - Style backgrounds with palettes, photos, symbols, and custom color controls - Enable context-aware face switching for Day, Night, and Work - Use display-focused options like always-on optimization and burn-in safe shift Start free with a limited set of designs and themes. Upgrade to Premium to unlock the full design and appearance library (subscription and lifetime options available). Privacy Policy: https://github.com/kjwamlex/ClockAPX-Privacy-Policy/blob/main/README.md End User License Agreement: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Rubber Clock
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Initial release of Rubber Clock. Create your own digital clock by typing a sentence or uploading a favorite photo. Make a cozy pet clock, a countdown for a special day, or a relaxing bedside clock. Turn time into something that feels like yours.
Screenshots
Verdict
The clearest difference is ads: Rubber Clock at none against ClockAPX's shown. Rubber Clock also leads on iOS requirement (18.4 vs 26.2). On price, 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
Both are free to download. ClockAPX sells 3 in-app purchases, starting at $1.99 per month and Rubber Clock sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
| Parameter | ClockAPX | Rubber Clock |
|---|---|---|
| Price | Free | Free |
| Rating | — | 1.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | — | Every 5 days |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Devices | iPhone | iPhone |
| Requires iOS | 26.2 | 18.4 — better |
| Further details — not scored | ||
| Size | 13 MB | 111 MB |
| Age rating | 4+ | 4+ |
| Developer | Joonwoo Kim | 传河 张 |
In-app purchases
ClockAPX
- ClockAPX Plus Monthly$1.991 Month
- ClockAPX Plus Yearly$9.991 Year
- ClockAPX Plus Lifetime$14.99
Rubber Clock
- Small Eraser Pack$0.99
- Medium Eraser Pack$1.99
- Large Eraser Pack$2.99









