# MillClock vs When

The clearest difference is ads: MillClock at none against When's shown. MillClock also leads on monetization model (free vs ad-supported). When's advantage is update cadence (weekly vs every 6 weeks) and review sentiment (90% vs 75%). On price, rating, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 4.7 for MillClock against 4.7 for When. That said, the two scores are not equally well evidenced: When has 28 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 90% of When's.

MillClock ships an update every 6 weeks, When weekly. Both last shipped on October 6, 2026.

## The numbers

| Metric | MillClock | When |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (3 ratings)](https://appshunter.io/ios/app/millclock/id1448108741/reviews) | **[4.7 (28 ratings)](https://appshunter.io/ios/app/when-flip-clock/id1539325158/reviews)** |
| Number of ratings | 3 | **28** |
| Positive reviews | 75.0% of reviews | **90.0% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 6 weeks | **Weekly** |
| Monetization | **Free** | Ad-supported |
| Size | 123 MB | 73 MB |
| Requires iOS | 14.0 | **10.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Artem Tverdohleb](https://appshunter.io/developer/1448108650) | [磊 岑](https://appshunter.io/developer/1102462338) |

## 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


### When

[App page](https://appshunter.io/ios/app/when-flip-clock/id1539325158)

This app offers a minimalist flip clock experience with customizable widgets. It features a full-screen display with classic page-turning animations and adjustable brightness. Personalize your time display with options for seconds, date, and week.

**Highlights:** Full-screen classic flip animation, Minimalist design style, Customizable time display (seconds, date, week), 12/24 hour mode switching, Adjustable screen brightness, Multiple widget options (Flip Clock, Digital Clock, Calendar, Progress Bar, Disc Clock)

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

**In-app purchases:** none


## Frequently asked questions

### Is MillClock free?

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

### Is When free?

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

### Which has better reviews, MillClock or When?

When is rated higher. MillClock averages 4.7 out of 5 from 3 ratings, while When averages 4.7 from 28 ratings.

### Do MillClock or When have ads?

When shows ads; MillClock does not.

### Which is updated more often, MillClock or When?

MillClock ships an update every 6 weeks, and When weekly. Most recently, MillClock was updated on October 6, 2026 and When on October 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.*