# Fullscreen Clock vs Big Clock

The clearest difference is rating: Fullscreen Clock at 4.7 against Big Clock's 2.3. Fullscreen Clock also leads on update cadence (every 8 days vs every 31 months) and review sentiment (76% vs 50%). Big Clock's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

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

Fullscreen Clock holds the better App Store score, 4.7 against 2.3. That said, the two scores are not equally well evidenced: Fullscreen Clock has 2.2K ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 76% of Fullscreen Clock's written reviews are positive against 50% of Big Clock's.

Fullscreen Clock ships an update every 8 days, Big Clock every 31 months. The most recent releases landed on September 25, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | Fullscreen Clock | Big Clock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (2.2K ratings)](https://appshunter.io/ios/app/fullscreen-clock-flip-and-focus/id1403700342/reviews)** | [2.3 (4 ratings)](https://appshunter.io/ios/app/big-clock-digital/id1456244261/reviews) |
| Number of ratings | **2.2K** | 4 |
| Positive reviews | **75.8% of reviews** | 50.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 8 days** | Every 31 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 18 MB | 8 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Gude Aipu Technology Co., Ltd](https://appshunter.io/developer/1896411340) | [Philip Tam](https://appshunter.io/developer/1017337810) |

## What reviewers say

### Fullscreen Clock

[App page](https://appshunter.io/ios/app/fullscreen-clock-flip-and-focus/id1403700342)

Transform your device into a stylish flip clock that doubles as a productivity tool. Enhance your workspace with aesthetic widgets and utilize the integrated focus timer for improved concentration during study or work sessions.

**Highlights:** Iconic flip clock animation, Deep focus timer (Pomodoro/custom), Stunning home screen widgets, Elegant and minimalist interface, Extensive customization options, Versatile timers and stopwatch, Floating clock for iPadOS

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VIP | $0.99 | one-time |

**What reviewers like**

- 🚀 Efficient
- 👍 Simple and useful
- 👍 Great tool
- 👍 Excellent app
- 👍 Awesome clock

**What reviewers complain about**

- 🐛 Ads disrupt usage
- 🐛 Buggy widget
- 🔋 Drains battery
- 👎 Hard to exit
- 👎 Annoying ads

**Reported bugs**

- Widget doesn't adjust for DST
- Clock resets when exiting app
- Hangs up on some devices
- Ads cover the clock

**Requested features**

- Add color customization
- Integrate date display
- Add 12-hour time format with AM/PM
- Improve countdown timer functionality
- Add stopwatch widget


### Big Clock

[App page](https://appshunter.io/ios/app/big-clock-digital/id1456244261)

This app displays the time edge-to-edge on iOS devices, offering enhanced readability with crisp fonts for advanced displays. Customize your clock face with bold fonts, choose time formats, and toggle seconds. It functions offline and prioritizes user data privacy.

**Highlights:** Edge-to-edge time display, Crisp font for XDR/Liquid Retina, Dark mode support, 12/24 hour format, Customizable clock face styling, Offline functionality

**In-app purchases:** none


## Frequently asked questions

### Is Fullscreen Clock free?

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

### Is Big Clock free?

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

### Which has better reviews, Fullscreen Clock or Big Clock?

Fullscreen Clock is rated higher. Fullscreen Clock averages 4.7 out of 5 from 2.2K ratings, while Big Clock averages 2.3 from 4 ratings.

### Do Fullscreen Clock or Big Clock have ads?

Fullscreen Clock shows ads; Big Clock does not.

### Which is updated more often, Fullscreen Clock or Big Clock?

Fullscreen Clock ships an update every 8 days, and Big Clock every 31 months. Most recently, Fullscreen Clock was updated on September 25, 2026 and Big Clock on June 1, 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.*