# Secondify vs Air Clock

The clearest difference is in-app purchases: Secondify at none against Air Clock's 3. Air Clock's advantage is ads (none vs shown) and update cadence (fortnightly vs every 36 months). On price there is nothing between them.

Both are free to download. Air Clock sells 3 in-app purchases, starting at $0.39 per month. Secondify asks for nothing beyond the download.

Secondify ships an update every 36 months, Air Clock fortnightly. The most recent releases landed on September 17, 2026 and July 26, 2026 respectively.

## The numbers

| Metric | Secondify | Air Clock |
| --- | --- | --- |
| Price | Free | 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 | Yes | **No** |
| Update frequency | Every 36 months | **Fortnightly** |
| Monetization | — | Freemium |
| Size | 5 MB | 43 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [ippei uchida](https://appshunter.io/developer/1702609212) | [志远 冯](https://appshunter.io/developer/1763733899) |

## What reviewers say

### Secondify

[App page](https://appshunter.io/ios/app/secondify/id6461645824)

**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 Secondify free?

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

### Is Air Clock free?

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

### Do Secondify or Air Clock have ads?

Secondify shows ads; Air Clock does not.

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

Secondify ships an update every 36 months, and Air Clock fortnightly. Most recently, Secondify was updated on September 17, 2026 and Air Clock on July 26, 2026.

---

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