# Big Clock HD vs Fullscreen Clock

The clearest difference is price: Fullscreen Clock at Free against Big Clock HD's $0.49. Fullscreen Clock also leads on rating (4.7 vs 3.0) and review sentiment (76% vs 45%). Big Clock HD's advantage is in-app purchases (none vs 1) and ads (none vs shown). On iOS requirement there is nothing between them.

Fullscreen Clock is free to download; Big Clock HD costs $0.49 up front. Fullscreen Clock sells 1 one-off in-app purchase. Big Clock HD asks for nothing beyond the download.

Fullscreen Clock holds the better App Store score, 4.7 against 3.0. That said, the two scores are not equally well evidenced: Fullscreen Clock has 2.2K ratings behind it against 23, so its average is the more settled of the two. Written reviews point the same way: 45% of Big Clock HD's written reviews are positive against 76% of Fullscreen Clock's.

Big Clock HD ships an update every 29 months, Fullscreen Clock every 9 days. The most recent releases landed on October 17, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | Big Clock HD | Fullscreen Clock |
| --- | --- | --- |
| Price | $0.49 | **Free** |
| Rating | [3.0 (23 ratings)](https://appshunter.io/ios/app/big-clock-hd/id364394834/reviews) | **[4.7 (2.2K ratings)](https://appshunter.io/ios/app/fullscreen-clock-flip-and-focus/id1403700342/reviews)** |
| Number of ratings | 23 | **2.2K** |
| Positive reviews | 45.5% of reviews | **76.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 29 months | **Every 9 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 1 MB | 18 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | **iPhone, iPad, iPod, Mac, Apple TV** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [TheCodingMonkeys](https://appshunter.io/developer/284181889) | [Shenzhen Gude Aipu Technology Co., Ltd](https://appshunter.io/developer/1896411340) |

## What reviewers say

### Big Clock HD

[App page](https://appshunter.io/ios/app/big-clock-hd/id364394834)

This app displays a large, easily readable digital clock on your device, perfect for viewing from afar. It supports all iOS locales and can prevent your device from auto-locking while the clock is displayed. Additional features include seconds display and widgets.

**Highlights:** Large, readable date and time display, Supports all iOS locales, Prevents auto-locking, Optional seconds display, Widgets

**Features:** Vision Pro support

**In-app purchases:** none


### 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 | $2.99 | 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


## Frequently asked questions

### Is Big Clock HD free?

Big Clock HD costs $0.49, with no in-app purchases.

### Is Fullscreen Clock free?

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

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

Fullscreen Clock is rated higher. Big Clock HD averages 3.0 out of 5 from 23 ratings, while Fullscreen Clock averages 4.7 from 2.2K ratings.

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

Fullscreen Clock shows ads; Big Clock HD does not.

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

Big Clock HD ships an update every 29 months, and Fullscreen Clock every 9 days. Most recently, Big Clock HD was updated on October 17, 2026 and Fullscreen Clock on October 23, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*