# NiteTime Clock vs Big Clock

The clearest difference is review sentiment: Big Clock at 100% against NiteTime Clock's 0%. Big Clock also leads on rating (5.0 vs 3.0) and update cadence (weekly vs every 19 months). NiteTime Clock's advantage is in-app purchases (none vs 4). On price, ratings volume, ads and device support there is nothing between them.

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

Big Clock holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews point the same way: 0% of NiteTime Clock's written reviews are positive against 100% of Big Clock's.

NiteTime Clock ships an update every 19 months, Big Clock weekly. The most recent releases landed on September 20, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | NiteTime Clock | Big Clock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (1 ratings)](https://appshunter.io/ios/app/nitetime-clock/id6739483030/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/big-clock-always-on-display/id6760553772/reviews)** |
| Number of ratings | 1 | 1 |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 19 months | **Weekly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 7 MB | 63 MB |
| Requires iOS | 18.1 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Patrick OShaughnessy](https://appshunter.io/developer/1785579392) | [Nataliia Zarudna](https://appshunter.io/developer/1871489027) |

## What reviewers say

### NiteTime Clock

[App page](https://appshunter.io/ios/app/nitetime-clock/id6739483030)

This app transforms your device into a customizable bedside digital clock. It offers a clear view of the time with adjustable brightness, multiple color themes, and font options. Keep your screen active for constant visibility throughout the night.

**Highlights:** Portrait and landscape modes, 12 color themes, Customizable fonts, Optional date display, Adjustable brightness, Keep screen active

**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 NiteTime Clock free?

NiteTime 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.

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

Big Clock is rated higher. NiteTime Clock averages 3.0 out of 5 from 1 ratings, while Big Clock averages 5.0 from 1 ratings.

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

Neither NiteTime Clock nor Big Clock shows ads.

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

NiteTime Clock ships an update every 19 months, and Big Clock weekly. Most recently, NiteTime Clock was updated on September 20, 2026 and Big Clock on September 10, 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.*