# Mechanical Clock 3D vs PopularScreen

The clearest difference is price: PopularScreen at Free against Mechanical Clock 3D's $0.99. PopularScreen also leads on update cadence (every 5 weeks vs every 37 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

PopularScreen is free to download; Mechanical Clock 3D costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Mechanical Clock 3D ships an update every 37 months, PopularScreen every 5 weeks. The most recent releases landed on November 10, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Mechanical Clock 3D | PopularScreen |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[4.7 (264 ratings)](https://appshunter.io/ios/app/mechanical-clock-3d/id458575545/reviews)** | — |
| Number of ratings | **264** | — |
| Positive reviews | 69.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 37 months | **Every 5 weeks** |
| Monetization | Paid | — |
| Size | 26 MB | 127 MB |
| Requires iOS | **8.0** | 9.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | +4 |
| Developer | [Igor Panichev](https://appshunter.io/developer/435142557) | [Shenzhen Heaton Technology Co., Ltd.](https://appshunter.io/developer/1076063818) |

## What reviewers say

### Mechanical Clock 3D

[App page](https://appshunter.io/ios/app/mechanical-clock-3d/id458575545)

Explore the intricate workings of a mechanical clock with realistic 3D graphics. Witness its internal gears and mechanisms in motion, and enjoy hourly chimes and authentic tick-tock sounds. Customize the visual experience with two distinct color schemes.

**Highlights:** High-quality 3D graphics, Shows current time, Hourly and half-hourly chimes, Tick-tock sound effect, Two color schemes

**In-app purchases:** none

**What reviewers like**

- ✨ Visually stunning design
- 🎵 Excellent sound quality
- ⚙️ Intricate mechanical details
- 🕰️ Accurate timepiece
- 🔊 Selective volume control

**What reviewers complain about**

- ⚠️ Hands hard to see
- 🤔 Limited functionality
- 🚫 No alarm function
- 3️⃣ Not truly 3D
- 📱 Not ideal for mobile

**Reported bugs**

- Settings collapsing
- App crashes constantly on iPhone 4s
- App freezes on startup
- App stays black on iPhone 5
- Does not chime when not on screen

**Requested features**

- Add Apple Watch support
- Add tourbillon function
- Allow background sound playback
- Add alarm feature
- Make hands more visible (glow, contrast, closed face)


### PopularScreen

[App page](https://appshunter.io/ios/app/popularscreen/id1324373239)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Mechanical Clock 3D free?

Mechanical Clock 3D costs $0.99, with no in-app purchases.

### Is PopularScreen free?

PopularScreen is free to download, with no in-app purchases.

### Do Mechanical Clock 3D or PopularScreen have ads?

Neither Mechanical Clock 3D nor PopularScreen shows ads.

### Which is updated more often, Mechanical Clock 3D or PopularScreen?

Mechanical Clock 3D ships an update every 37 months, and PopularScreen every 5 weeks. Most recently, Mechanical Clock 3D was updated on November 10, 2026 and PopularScreen on November 6, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*