# Smooth Clock vs Air Clock

The clearest difference is price: Air Clock at Free against Smooth Clock's $0.99. Air Clock also leads on update cadence (fortnightly vs every 11 months). Smooth Clock's advantage is in-app purchases (none vs 3). On ads, device support and iOS requirement there is nothing between them.

Air Clock is free to download; Smooth Clock costs $0.99 up front. Air Clock sells 3 in-app purchases, starting at $0.39 per month. Smooth Clock asks for nothing beyond the download.

Smooth Clock ships an update every 11 months, Air Clock fortnightly. The most recent releases landed on October 14, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Smooth Clock | Air Clock |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/air-clock-flip-clock-widget/id6648756364/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 11 months | **Fortnightly** |
| Monetization | — | Freemium |
| Size | 1 MB | 43 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Piet Jonas](https://appshunter.io/developer/288060167) | [志远 冯](https://appshunter.io/developer/1763733899) |

## What reviewers say

### Smooth Clock

[App page](https://appshunter.io/ios/app/smooth-clock/id482921576)

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

**In-app purchases:** none


### Air Clock

[App page](https://appshunter.io/ios/app/air-clock-flip-clock-widget/id6648756364)

Enhance your device with a visually stunning and ad-free clock experience. Customize themes, add dynamic photo displays, and utilize integrated widgets for time management. Includes a Pomodoro timer and auditory cues for productivity.

**Highlights:** Ad-free full-screen display, Customizable themes and colors, Dynamic photo clock integration, Multiple widget types (clock, calendar, countdown), Focus Pomodoro timer, Auditory and voice chimes

**Features:** Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly Membership | $0.39 | per month |
| Pro Annual Membership | $2.00 | per year |
| Pro Lifetime Membership | $4.99 | one-time |


## Frequently asked questions

### Is Smooth Clock free?

Smooth Clock costs $0.99, with no in-app purchases.

### Is Air Clock free?

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

### Do Smooth Clock or Air Clock have ads?

Neither Smooth Clock nor Air Clock shows ads.

### Which is updated more often, Smooth Clock or Air Clock?

Smooth Clock ships an update every 11 months, and Air Clock fortnightly. Most recently, Smooth Clock was updated on October 14, 2026 and Air Clock on October 11, 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.*