Rubber Clock vs Dzvin
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Rubber Clock
Design a personalized digital clock by inputting text or uploading an image. Create unique time displays, from pet-themed clocks to countdown timers for important events.
- Create custom digital clocks
- Use text input for designs
- Upload photos for clock faces
- Design pet-themed clocks
- Set countdown timers
- Create bedside clocks
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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.
Dzvin
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Dzvin turns your screen into a living clock. Every second, the digits don't just change, they morph. Liquid, shatter, split-flap, nova and more: ten ways to watch time move, in six typefaces. Behind them an aurora drifts with the hour, from sunrise amber to midnight violet. Or true black, if you'd rather. And it's a full clock, not just a pretty face: • Alarms on your Lock Screen, powered by AlarmKit. They ring on time even when the app is closed. • Every-2-weeks alarms, built for rotating shifts: each week rings on its own schedule. • Timer: a neon countdown in the Dynamic Island and on the Lock Screen. • Pomodoro focus timer. • Stopwatch with laps. • World clock for the cities you care about. • Nightstand mode: a dimmed, always-on bedside clock. • Home Screen widget. Dzvin Pro is one payment, yours forever: every morph style and typeface, Pomodoro and nightstand mode, plus every Pro feature we add later. No subscription. Private by design: • No account, no sign-up • No ads, no tracking, no data collected • Works fully offline Just time, in motion.
Screenshots
Verdict
The clearest difference is update cadence: Rubber Clock at every 5 days against Dzvin's fortnightly. Rubber Clock also leads on iOS requirement (18.4 vs 26.0). On price, 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
Both are free to download. Rubber Clock sells 3 one-off in-app purchases and Dzvin sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Rubber Clock ships an update every 5 days, Dzvin fortnightly. The most recent releases landed on October 28, 2026 and October 30, 2026 respectively.
| Parameter | Rubber Clock | Dzvin |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 5 days — better | Fortnightly |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 18.4 — better | 26.0 |
| Further details — not scored | ||
| Size | 111 MB | 67 MB |
| Age rating | 4+ | 4+ |
| Developer | 传河 张 | Vadym Kovalsky |
In-app purchases
Rubber Clock
- Small Eraser Pack$0.99
- Medium Eraser Pack$1.99
- Large Eraser Pack$2.99
Dzvin
- Dzvin Pro$4.99









