# COLON vs SClock

The clearest difference is rating: COLON at 5.0 against SClock's 4.3. COLON also leads on review sentiment (88% vs 50%) and in-app purchases (none vs 1). SClock's advantage is update cadence (fortnightly vs every 29 months) and ratings volume (24 vs 1). On price, device support and iOS requirement there is nothing between them.

Both are free to download. SClock sells 1 in-app purchase, starting at $0.99 per month. COLON asks for nothing beyond the download.

COLON holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: SClock has 24 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 88% of COLON's written reviews are positive against 50% of SClock's.

COLON ships an update every 29 months, SClock fortnightly. The most recent releases landed on October 4, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | COLON | SClock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/colon/id1601664426/reviews)** | [4.3 (24 ratings)](https://appshunter.io/ios/app/sclock-big-digital-clock/id1633448389/reviews) |
| Number of ratings | 1 | **24** |
| Positive reviews | **87.5% of reviews** | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 29 months | **Fortnightly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 8 MB | 30 MB |
| Requires iOS | **15.0** | 16.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Toshihide Miyake](https://appshunter.io/developer/1552651386) | [Hajime Suzuki](https://appshunter.io/developer/1615906018) |

## What reviewers say

### COLON

[App page](https://appshunter.io/ios/app/colon/id1601664426)

A minimalist digital clock app that focuses on displaying the time in a large, clear format. Customize colors, fonts, and display options to suit your preferences. It offers essential features without unnecessary complexity.

**Highlights:** Large time display, Customizable background, text color, and font, 200 font options, Show/hide seconds, Minimalist design

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

**In-app purchases:** none


### SClock

[App page](https://appshunter.io/ios/app/sclock-big-digital-clock/id1633448389)

This app offers a customizable clock with adjustable display sizes and color options. It features dual timers with customizable sounds and visual cues, perfect for time management tasks like Pomodoro.

**Highlights:** Adjustable display size, Color selectable clock face, Dual timer functionality, Customizable countdown sounds, Color-coded time display, Simple, easy-to-read design

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| premium | $0.99 | per month |


## Frequently asked questions

### Is COLON free?

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

### Is SClock free?

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

### Which has better reviews, COLON or SClock?

COLON is rated higher. COLON averages 5.0 out of 5 from 1 ratings, while SClock averages 4.3 from 24 ratings.

### Do COLON or SClock have ads?

SClock shows ads; COLON does not.

### Which is updated more often, COLON or SClock?

COLON ships an update every 29 months, and SClock fortnightly. Most recently, COLON was updated on October 4, 2026 and SClock on October 6, 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.*