PlayClock3D vs Smart Clocks
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PlayClock3D
Learn to tell time with an interactive 3D clock. Manipulate clock hands, hear the time spoken in English or Japanese, and explore fun animations and weather changes. Recommended for high-performance devices.
- Manipulate clock hands
- Hear spoken time in English/Japanese
- Interactive character animations
- Changeable weather effects
- 3D graphics
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"Play with clock" has become 3D! It is an app of the clock that you can turn all the clock hands, watch the time and listen to it. Main function: •You can turn all the clock hands. •By tapping on a crab to display and listen to the time. •By tapping the national flag to switch the display and voice in Japanese / English of time. •You can operate Mr.Megani to move to your favorite place. •You can change the weather.(It takes a few seconds for the weather to change.) •You can drive a car! (If you can not find the car, you can reset the position on the setting screen.) •You can see the aurora! Even if you turn the second hand very fast, the sun moves only little by little. But, when you turn the hour hand, the sun moves at a great speed. By turning each hand, you can see the difference in speed. *recommended: high-performance phone capable of displaying 3D graphics.
Smart Clocks
This educational app helps children learn about clocks and time through interactive exercises. It features engaging activities for practicing time-telling, writing, and understanding time intervals with voice and text instructions.
- Observe time changes with interactive hands
- Practice writing time from clock indications
- Draw clock hands from digital displays
- Calculate time before or after a given period
- Determine time between two clock indications
- Text and voice instructions for all modules
- Animation demonstrations of clocks
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This is a app that helps kids understand clock and time. Practice time questions in an interactive way through a cute interface. 1 Observe the time changes by turning the hour and minute hands. 2 Practice writing the time through the clock indication. 3 Practice drawing the clock hands through digital display. 4 Write the target time before or after a period of time. 5 Write the time between two clock indications. Each module has text and voice instructions. The correct answer will be given for each question, which is convenient for checking. Some questions will give animation demonstrations of clocks.
Screenshots
Verdict
The clearest difference is rating: Smart Clocks at 5.0 against PlayClock3D's 4.4. Smart Clocks also leads on ads (none vs shown) and monetization model (free vs ad-supported). PlayClock3D's advantage is ratings volume (31 vs 1). On price, update cadence, 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. Neither carries in-app purchases, so what you see is what you pay.
Smart Clocks holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: PlayClock3D has 31 ratings behind it against 1, so its average is the more settled of the two.
PlayClock3D ships an update monthly, Smart Clocks every 4 weeks. The most recent releases landed on September 21, 2026 and June 5, 2026 respectively.
| Parameter | PlayClock3D | Smart Clocks |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (31 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 73.7% of reviews | — |
| Number of ratings | 31 — better | 1 |
| Update frequency | Monthly | Every 4 weeks — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | Free — better |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 11.0 — better | 12.0 |
| Further details — not scored | ||
| Size | 272 MB | 86 MB |
| Age rating | 4+ | 4+ |
| Developer | Akiyo Imanaka | Yan Xu |
Customer experience
PlayClock3D
Smart Clocks
In-app purchases
PlayClock3D
No in-app purchases
Smart Clocks
No in-app purchases
Questions
Is PlayClock3D free?
Is Smart Clocks free?
Which has better reviews, PlayClock3D or Smart Clocks?
Do PlayClock3D or Smart Clocks have ads?
Which is updated more often, PlayClock3D or Smart Clocks?
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