# MillClock vs Flip Clock 3D

The clearest difference is in-app purchases: MillClock at none against Flip Clock 3D's 1. MillClock also leads on ads (none vs shown). Flip Clock 3D's advantage is update cadence (weekly vs every 6 weeks) and review sentiment (100% vs 75%). 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. MillClock asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.7 for MillClock against 4.8 for Flip Clock 3D. 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 are what separate them: 75% of MillClock's written reviews are positive against 100% of Flip Clock 3D's.

MillClock ships an update every 6 weeks, Flip Clock 3D weekly. The most recent releases landed on September 18, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | MillClock | Flip Clock 3D |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (3 ratings)](https://appshunter.io/ios/app/millclock/id1448108741/reviews) | **[4.8 (24 ratings)](https://appshunter.io/ios/app/flip-clock-3d-study-time/id6670719398/reviews)** |
| Number of ratings | 3 | **24** |
| Positive reviews | 75.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 6 weeks | **Weekly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 123 MB | 206 MB |
| Requires iOS | 14.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Artem Tverdohleb](https://appshunter.io/developer/1448108650) | [乃君 黄](https://appshunter.io/developer/1337343608) |

## What reviewers say

### MillClock

[App page](https://appshunter.io/ios/app/millclock/id1448108741)

Control the extensive features of your Nixie clock from your phone. Synchronize time with online references or your device, set alarms, and customize display effects. This app transforms your historical clock into a functional, modern decor piece for any space.

**Highlights:** Synchronize time with online references, Synchronize time with phone, Manual time correction, Alarm clock functionality, Hourly signal with customizable duration, Customizable display effects (smooth/abrupt transitions, colon blinks), Backlight control with color slider, Automatic summer/winter time adjustment

**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 MillClock free?

MillClock 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, MillClock or Flip Clock 3D?

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

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

Flip Clock 3D shows ads; MillClock does not.

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

MillClock ships an update every 6 weeks, and Flip Clock 3D weekly. Most recently, MillClock was updated on September 18, 2026 and Flip Clock 3D on September 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.*