# Earth Clock vs A Flip Clock

The clearest difference is in-app purchases: Earth Clock at none against A Flip Clock's 3. A Flip Clock's advantage is update cadence (every 8 days vs every 3 months) and iOS requirement (16 vs 18.6). On price, ads and device support there is nothing between them.

Both are free to download. A Flip Clock sells 3 in-app purchases, starting at $0.99 per month. Earth Clock asks for nothing beyond the download.

Earth Clock ships an update every 3 months, A Flip Clock every 8 days. Both last shipped on September 9, 2026.

## The numbers

| Metric | Earth Clock | A Flip Clock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/a-flip-clock/id6756794030/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 8 days** |
| Monetization | — | Freemium |
| Size | 5 MB | 3 MB |
| Requires iOS | 18.6 | **16** |
| Devices | iPhone, iPad, Apple TV, Vision Pro | **iPhone, iPad, iPod, Mac, Apple TV** |
| Age rating | 4+ | 4+ |
| Developer | [Kazuhisa Asakawa](https://appshunter.io/developer/927996843) | [Kai Luo](https://appshunter.io/developer/344176636) |

## What reviewers say

### Earth Clock

[App page](https://appshunter.io/ios/app/earth-clock/id975016856)

**Features:** macOS Compatibility

**In-app purchases:** none


### A Flip Clock

[App page](https://appshunter.io/ios/app/a-flip-clock/id6756794030)

This app displays a large, clear flip clock on your iPhone or iPad, ideal for desks or nightstands. It offers always-on display, sound options, and customizable themes to personalize your clock.

**Highlights:** Always-on display option, Optional flip sound and hourly announce, Show seconds, date, and 24-hour format, Subtle movement for OLED screens, Offline functionality

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Themes Monthly | $0.99 | per month |
| Premium Themes | $4.99 | per year |
| Premium Themes Lifetime | $14.99 | one-time |


## Frequently asked questions

### Is Earth Clock free?

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

### Is A Flip Clock free?

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

### Do Earth Clock or A Flip Clock have ads?

Neither Earth Clock nor A Flip Clock shows ads.

### Which is updated more often, Earth Clock or A Flip Clock?

Earth Clock ships an update every 3 months, and A Flip Clock every 8 days. Most recently, Earth Clock was updated on September 9, 2026 and A Flip Clock on September 9, 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.*