# Big clock vs SClock

The clearest difference is rating: SClock at 4.3 against Big clock's 2.1. SClock also leads on ratings volume (24 vs 7). Big clock's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price, review sentiment, update cadence and device support there is nothing between them.

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

SClock holds the better App Store score, 4.3 against 2.1. Both are backed by a comparable volume of ratings — 7 and 24 respectively. Written reviews point the same way: 43% of Big clock's written reviews are positive against 50% of SClock's.

Big clock ships an update every 2 weeks, SClock fortnightly. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Big clock | SClock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.1 (7 ratings)](https://appshunter.io/ios/app/big-clock-day-and-night-mode/id906420263/reviews) | **[4.3 (24 ratings)](https://appshunter.io/ios/app/sclock-big-digital-clock/id1633448389/reviews)** |
| Number of ratings | 7 | **24** |
| Positive reviews | 43.5% of reviews | **50.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 weeks** | Fortnightly |
| Monetization | **Free** | Free with in-app purchases |
| Size | 4 MB | 30 MB |
| Requires iOS | **8.1** | 16.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Sakura apps](https://appshunter.io/developer/506336348) | [Hajime Suzuki](https://appshunter.io/developer/1615906018) |

## What reviewers say

### Big clock

[App page](https://appshunter.io/ios/app/big-clock-day-and-night-mode/id906420263)

A simple utility app offering a large digital clock and stopwatch functionality. It features customizable backgrounds to suit day or night viewing.

**Highlights:** Digital clock display, Stopwatch functionality, Day mode background, Night mode background, White background option, Black background option

**Features:** macOS Compatibility

**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 Big clock free?

Big clock 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, Big clock or SClock?

SClock is rated higher. Big clock averages 2.1 out of 5 from 7 ratings, while SClock averages 4.3 from 24 ratings.

### Do Big clock or SClock have ads?

SClock shows ads; Big clock does not.

### Which is updated more often, Big clock or SClock?

Big clock ships an update every 2 weeks, and SClock fortnightly. Most recently, Big clock was updated on November 1, 2026 and SClock on November 3, 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.*