# MillClock vs Zenchord

The clearest difference is in-app purchases: MillClock at none against Zenchord's 2. Zenchord's advantage is update cadence (fortnightly vs every 6 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Zenchord sells 2 in-app purchases, starting at $9.99 per month. MillClock asks for nothing beyond the download.

MillClock ships an update every 6 weeks, Zenchord fortnightly. The most recent releases landed on October 6, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | MillClock | Zenchord |
| --- | --- | --- |
| Price | Free | Free |
| 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** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Fortnightly** |
| Monetization | Free | — |
| Size | 123 MB | 72 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Artem Tverdohleb](https://appshunter.io/developer/1448108650) | [BLOOM VIEW LIMITED](https://appshunter.io/developer/1854290925) |

## 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


### Zenchord

[App page](https://appshunter.io/ios/app/zenchord/id6754279424)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Zenchord Plus Plan | $9.99 | per month |
| Zenchord Unlimited Plan | $29.99 | per month |


## Frequently asked questions

### Is MillClock free?

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

### Is Zenchord free?

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

### Do MillClock or Zenchord have ads?

Neither MillClock nor Zenchord shows ads.

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

MillClock ships an update every 6 weeks, and Zenchord fortnightly. Most recently, MillClock was updated on October 6, 2026 and Zenchord on October 18, 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.*