# AlwaysOn Clock vs Big Clock

The clearest difference is in-app purchases: AlwaysOn Clock at none against Big Clock's 4. Big Clock's advantage is update cadence (weekly vs every 4 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Big Clock sells 4 one-off in-app purchases. AlwaysOn Clock asks for nothing beyond the download.

AlwaysOn Clock ships an update every 4 months, Big Clock weekly. The most recent releases landed on September 30, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | AlwaysOn Clock | Big Clock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (6 ratings)](https://appshunter.io/ios/app/big-clock-always-on-display/id6760553772/reviews)** |
| Number of ratings | — | **6** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Weekly** |
| Monetization | — | Free with in-app purchases |
| Size | 0 MB | 69 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Aly Youssef](https://appshunter.io/developer/1808124222) | [Nataliia Zarudna](https://appshunter.io/developer/1871489027) |

## What reviewers say

### AlwaysOn Clock

[App page](https://appshunter.io/ios/app/alwayson-clock/id6744944707)

**Features:** macOS Compatibility

**In-app purchases:** none


### Big Clock

[App page](https://appshunter.io/ios/app/big-clock-always-on-display/id6760553772)

Transform your device into a large, clear digital clock. Ideal for bedside tables, desks, or workouts, it offers an always-on display with customizable themes and brightness for easy readability in any environment.

**Highlights:** Fullscreen digital clock, Always-on display mode, Light and dark themes, Brightness control, Portrait and landscape support, Minimal design

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $1.99 | one-time |
| Premium + Coffee | $3.99 | one-time |
| Premium + Coffee + Croissant | $7.99 | one-time |
| Premium + Big Support | $12.99 | one-time |


## Frequently asked questions

### Is AlwaysOn Clock free?

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

### Is Big Clock free?

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

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

Neither AlwaysOn Clock nor Big Clock shows ads.

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

AlwaysOn Clock ships an update every 4 months, and Big Clock weekly. Most recently, AlwaysOn Clock was updated on September 30, 2026 and Big Clock on October 14, 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.*