# Flip Clock 3D vs Pixel Clock

The clearest difference is ads: Pixel Clock at none against Flip Clock 3D's shown. Flip Clock 3D's advantage is iOS requirement (12.0 vs 15.0). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Flip Clock 3D sells 1 one-off in-app purchase and Pixel Clock sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly weekly. Both last shipped on October 30, 2026.

## The numbers

| Metric | Flip Clock 3D | Pixel Clock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (25 ratings)](https://appshunter.io/ios/app/flip-clock-3d-study-time/id6670719398/reviews)** | — |
| Number of ratings | **25** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Weekly | Weekly |
| Monetization | Free with in-app purchases | — |
| Size | 206 MB | 100 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [乃君 黄](https://appshunter.io/developer/1337343608) | [YIMING SHI](https://appshunter.io/developer/1778404172) |

## What reviewers say

### Flip Clock 3D

[App page](https://appshunter.io/ios/app/flip-clock-3d-study-time/id6670719398)

Enhance your workspace with a realistic 3D mechanical flip clock. This app helps improve focus and productivity during work or study sessions by providing a clear time display. Customize with various fonts and themes, and utilize the alarm feature when the app is active.

**Highlights:** Vivid 3D mechanical components, Adjustable viewing angles, 12/24 hour mode switching, Multiple font and theme options, Foreground alarm functionality

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock all contents | $1.99 | one-time |


### Pixel Clock

[App page](https://appshunter.io/ios/app/pixel-clock-grid/id6737881546)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cyber City 1-day Trial | Free | one-time |
| Cyber City – Unlock Forever | $2.99 | one-time |


## Frequently asked questions

### Is Flip Clock 3D free?

Flip Clock 3D is free to download, with in-app purchases available.

### Is Pixel Clock free?

Pixel Clock is free to download, with in-app purchases available.

### Do Flip Clock 3D or Pixel Clock have ads?

Flip Clock 3D shows ads; Pixel Clock does not.

### Which is updated more often, Flip Clock 3D or Pixel Clock?

Flip Clock 3D ships an update weekly, and Pixel Clock weekly. Most recently, Flip Clock 3D was updated on October 30, 2026 and Pixel Clock on October 30, 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.*
