# Smooth Clock Lite vs Momentous Clock

The clearest difference is in-app purchases: Momentous Clock at none against Smooth Clock Lite's 1. Momentous Clock also leads on update cadence (every 6 days vs every 10 months). Smooth Clock Lite's advantage is iOS requirement (6.0 vs 15.1). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Smooth Clock Lite sells 1 one-off in-app purchase. Momentous Clock asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Smooth Clock Lite against 5.0 for Momentous Clock. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

Smooth Clock Lite ships an update every 10 months, Momentous Clock every 6 days. The most recent releases landed on October 21, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Smooth Clock Lite | Momentous Clock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/smooth-clock-lite/id514560803/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/momentous-clock/id1608715857/reviews) |
| Number of ratings | 1 | **2** |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 6 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 1 MB | 24 MB |
| Requires iOS | **6.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Piet Jonas](https://appshunter.io/developer/288060167) | [Tutukain Software, LLC](https://appshunter.io/developer/1608715859) |

## What reviewers say

### Smooth Clock Lite

[App page](https://appshunter.io/ios/app/smooth-clock-lite/id514560803)

Transform your device into a visually appealing clock with dynamic, animated backgrounds. Customize your display with day/night modes, various color palettes, and adjustable animation speeds. Supports both 12 and 24-hour time formats.

**Highlights:** Smoothly animated backgrounds, Day and night mode toggle, Choice of 3 animations, Rainbow, random, or gray color animations, Adjustable animation speeds, 12/24 hour format support

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Smooth Clock Upgrade | $0.99 | one-time |


### 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


## Frequently asked questions

### Is Smooth Clock Lite free?

Smooth Clock Lite is free to download, with in-app purchases available.

### Is Momentous Clock free?

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

### Which has better reviews, Smooth Clock Lite or Momentous Clock?

Smooth Clock Lite and Momentous Clock are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.

### Do Smooth Clock Lite or Momentous Clock have ads?

Neither Smooth Clock Lite nor Momentous Clock shows ads.

### Which is updated more often, Smooth Clock Lite or Momentous Clock?

Smooth Clock Lite ships an update every 10 months, and Momentous Clock every 6 days. Most recently, Smooth Clock Lite was updated on October 21, 2026 and Momentous Clock on October 24, 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.*