# Momentous Clock vs Binary Clock by jhale.dev

The clearest difference is rating: Momentous Clock at 5.0 against Binary Clock by jhale.dev's 4.5. Momentous Clock also leads on update cadence (every 6 days vs every 4 months). On price, ratings volume, 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.

Momentous Clock holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 2 and 2 respectively.

Momentous Clock ships an update every 6 days, Binary Clock by jhale.dev every 4 months. Both last shipped on June 4, 2026.

## The numbers

| Metric | Momentous Clock | Binary Clock by jhale.dev |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/momentous-clock/id1608715857/reviews)** | [4.5 (2 ratings)](https://appshunter.io/ios/app/binary-clock-by-jhaledev/id6448813967/reviews) |
| Number of ratings | 2 | 2 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 days** | Every 4 months |
| Monetization | Free | Free |
| Size | 24 MB | 12 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tutukain Software, LLC](https://appshunter.io/developer/1608715859) | [Joseph Hale](https://appshunter.io/developer/1686507309) |

## What reviewers say

### Momentous Clock

[App page](https://appshunter.io/ios/app/momentous-clock/id1608715857)

This app transforms your device's clock into a dynamic display of mathematical properties and number theory facts for the current time. It optionally reveals personal number connections from your contacts, all processed securely on your device.

**Highlights:** Computes mathematical properties of time, Surfaces number theory facts, Displays time on 16-segment LED screens, Finds personal number connections in contacts, On-device contact matching, Works via Catalyst on Mac

**Features:** macOS Compatibility

**In-app purchases:** none


### Binary Clock by jhale.dev

[App page](https://appshunter.io/ios/app/binary-clock-by-jhaledev/id6448813967)

This utility displays time using binary code, representing numbers with illuminated dots. It offers personalization options and includes instructions for reading the binary time format. The application is open-source.

**Highlights:** Binary time display, Customizable settings, Instructions for binary time, Open-source code, Personalization options

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Momentous Clock free?

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

### Is Binary Clock by jhale.dev free?

Binary Clock by jhale.dev is free to download, with no in-app purchases.

### Which has better reviews, Momentous Clock or Binary Clock by jhale.dev?

Momentous Clock is rated higher. Momentous Clock averages 5.0 out of 5 from 2 ratings, while Binary Clock by jhale.dev averages 4.5 from 2 ratings.

### Do Momentous Clock or Binary Clock by jhale.dev have ads?

Neither Momentous Clock nor Binary Clock by jhale.dev shows ads.

### Which is updated more often, Momentous Clock or Binary Clock by jhale.dev?

Momentous Clock ships an update every 6 days, and Binary Clock by jhale.dev every 4 months. Most recently, Momentous Clock was updated on June 4, 2026 and Binary Clock by jhale.dev on June 4, 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.*