# True Binary Clock Free vs Christmas Countdown

The clearest difference is update cadence: Christmas Countdown at every 2 months against True Binary Clock Free's every 24 months. True Binary Clock Free's advantage is device support (3 vs 1) and iOS requirement (9.0 vs 17.0). On price, ads and in-app purchases there is nothing between them.

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

True Binary Clock Free ships an update every 24 months, Christmas Countdown every 2 months. The most recent releases landed on October 23, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | True Binary Clock Free | Christmas Countdown |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (12 ratings)](https://appshunter.io/ios/app/true-binary-clock-free/id328085957/reviews)** | — |
| Number of ratings | **12** | — |
| Positive reviews | 78.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 24 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 9 MB | 73 MB |
| Requires iOS | **9.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [C Loep](https://appshunter.io/developer/300802963) | [ProductiveTap](https://appshunter.io/developer/430553438) |

## What reviewers say

### True Binary Clock Free

[App page](https://appshunter.io/ios/app/true-binary-clock-free/id328085957)

This app displays time using binary code, offering both true binary and BCD modes. It includes an optional digital clock display and supports 12 or 24-hour formats with customizable colors. It's designed to be educational and visually appealing.

**Highlights:** True binary clock mode, BCD binary clock mode, Optional digital clock, 12/24 hour time format, Configurable colors, Disable screen lock option

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

**In-app purchases:** none


### Christmas Countdown

[App page](https://appshunter.io/ios/app/christmas-countdown-advent/id6753859773)

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

**In-app purchases:** none


## Frequently asked questions

### Is True Binary Clock Free free?

True Binary Clock Free is free to download, with no in-app purchases.

### Is Christmas Countdown free?

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

### Do True Binary Clock Free or Christmas Countdown have ads?

Neither True Binary Clock Free nor Christmas Countdown shows ads.

### Which is updated more often, True Binary Clock Free or Christmas Countdown?

True Binary Clock Free ships an update every 24 months, and Christmas Countdown every 2 months. Most recently, True Binary Clock Free was updated on October 23, 2026 and Christmas Countdown 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.*