# big O'Clock vs Big Countdown

The clearest difference is price: Big Countdown at Free against big O'Clock's $0.99. Big Countdown also leads on in-app purchases (none vs 3) and update cadence (every 2 days vs every 12 months). On device support there is nothing between them.

Big Countdown is free to download; big O'Clock costs $0.99 up front. big O'Clock sells 3 one-off in-app purchases. Big Countdown asks for nothing beyond the download.

big O'Clock ships an update every 12 months, Big Countdown every 2 days. The most recent releases landed on October 10, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | big O'Clock | Big Countdown |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[4.5 (11 ratings)](https://appshunter.io/ios/app/big-oclock/id1524090504/reviews)** | — |
| Number of ratings | **11** | — |
| In-app purchases | Yes | **No** |
| Ads | No | — |
| Update frequency | Every 12 months | **Every 2 days** |
| Monetization | Paid | — |
| Size | 31 MB | 8 MB |
| Requires iOS | 16.0 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [john bogaert](https://appshunter.io/developer/1524090506) | [Pierre Ramoin](https://appshunter.io/developer/1715390405) |

## What reviewers say

### big O'Clock

[App page](https://appshunter.io/ios/app/big-oclock/id1524090504)

A full-screen clock, timer, and stopwatch app featuring large, clear digits. It offers high-quality visuals, sounds, and vibrations, serving as a stylish nightstand or work clock.

**Highlights:** Full-screen display, Large, clear digits, Customizable sounds and vibrations, Timer functionality, Stopwatch functionality, Nightstand mode

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| I Love Big O'Clock | $1.99 | one-time |
| I Deeply Love Big O'Clock | $3.99 | one-time |
| I Adore Big O'Clock | $6.99 | one-time |


### Big Countdown

[App page](https://appshunter.io/ios/app/big-countdown/id6517356676)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is big O'Clock free?

big O'Clock costs $0.99, and also offers in-app purchases.

### Is Big Countdown free?

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

### Which is updated more often, big O'Clock or Big Countdown?

big O'Clock ships an update every 12 months, and Big Countdown every 2 days. Most recently, big O'Clock was updated on October 10, 2026 and Big Countdown on October 2, 2026.

---

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