# True Binary Clock Free vs Train Clock

The clearest difference is iOS requirement: True Binary Clock Free at 9.0 against Train Clock's 13.0. On price, update cadence, 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, Train Clock every 23 months. The most recent releases landed on September 28, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | True Binary Clock Free | Train Clock |
| --- | --- | --- |
| 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 23 months** |
| Monetization | Free | — |
| Size | 9 MB | 143 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [C Loep](https://appshunter.io/developer/300802963) | [hiroyuki uchida](https://appshunter.io/developer/669938829) |

## 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


### Train Clock

[App page](https://appshunter.io/ios/app/train-clock/id1097870845)

**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 Train Clock free?

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

### Do True Binary Clock Free or Train Clock have ads?

Neither True Binary Clock Free nor Train Clock shows ads.

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

True Binary Clock Free ships an update every 24 months, and Train Clock every 23 months. Most recently, True Binary Clock Free was updated on September 28, 2026 and Train Clock on September 30, 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.*