# MillClock vs Diamond ECL

The clearest difference is price: MillClock at Free against Diamond ECL's $1.99. MillClock also leads on iOS requirement (14.0 vs 17). On update cadence, ads, in-app purchases and device support there is nothing between them.

MillClock is free to download; Diamond ECL costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

MillClock ships an update every 6 weeks, Diamond ECL every 2 months. The most recent releases landed on September 18, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | MillClock | Diamond ECL |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | **[4.7 (3 ratings)](https://appshunter.io/ios/app/millclock/id1448108741/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | Free | — |
| Size | 123 MB | 1 MB |
| Requires iOS | **14.0** | 17 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Artem Tverdohleb](https://appshunter.io/developer/1448108650) | [Gadir Mamedov](https://appshunter.io/developer/1628780398) |

## 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


### Diamond ECL

[App page](https://appshunter.io/ios/app/diamond-ecl/id1628780396)

**In-app purchases:** none


## Frequently asked questions

### Is MillClock free?

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

### Is Diamond ECL free?

Diamond ECL costs $1.99, with no in-app purchases.

### Do MillClock or Diamond ECL have ads?

Neither MillClock nor Diamond ECL shows ads.

### Which is updated more often, MillClock or Diamond ECL?

MillClock ships an update every 6 weeks, and Diamond ECL every 2 months. Most recently, MillClock was updated on September 18, 2026 and Diamond ECL on September 27, 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.*