# Klock vs Flip Clock 3D

The clearest difference is in-app purchases: Klock at none against Flip Clock 3D's 1. Klock also leads on ads (none vs shown) and iOS requirement (8.0 vs 12.0). Flip Clock 3D's advantage is update cadence (weekly vs every 2 months) and ratings volume (24 vs 3). On price, rating and device support there is nothing between them.

Both are free to download. Flip Clock 3D sells 1 one-off in-app purchase. Klock asks for nothing beyond the download.

Flip Clock 3D holds the better App Store score, 4.8 against 4.7. That said, the two scores are not equally well evidenced: Flip Clock 3D has 24 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 89% of Klock's written reviews are positive against 100% of Flip Clock 3D's.

Klock ships an update every 2 months, Flip Clock 3D weekly. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Klock | Flip Clock 3D |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (3 ratings)](https://appshunter.io/ios/app/klock/id516314495/reviews) | **[4.8 (24 ratings)](https://appshunter.io/ios/app/flip-clock-3d-study-time/id6670719398/reviews)** |
| Number of ratings | 3 | **24** |
| Positive reviews | 88.9% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 16 MB | 206 MB |
| Requires iOS | **8.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Lars Schwegmann](https://appshunter.io/developer/995802144) | [乃君 黄](https://appshunter.io/developer/1337343608) |

## What reviewers say

### Klock

[App page](https://appshunter.io/ios/app/klock/id516314495)

This minimalist clock application offers a sleek replacement for your device's default clock. It features 11 customizable color schemes to match your personal style, easily swiped through for selection.

**Highlights:** Minimalist design, 11 color schemes, Swipe to change color, Sleek clock replacement, iPhone, iPad, iPod touch support

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Klock free?

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

### Is Flip Clock 3D free?

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

### Which has better reviews, Klock or Flip Clock 3D?

Flip Clock 3D is rated higher. Klock averages 4.7 out of 5 from 3 ratings, while Flip Clock 3D averages 4.8 from 24 ratings.

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

Flip Clock 3D shows ads; Klock does not.

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

Klock ships an update every 2 months, and Flip Clock 3D weekly. Most recently, Klock was updated on October 23, 2026 and Flip Clock 3D on October 24, 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.*