# GapClock vs Nature Flip Clock

The clearest difference is in-app purchases: GapClock at none against Nature Flip Clock's 1. Nature Flip Clock's advantage is update cadence (fortnightly vs every 5 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Nature Flip Clock sells 1 one-off in-app purchase. GapClock asks for nothing beyond the download.

GapClock ships an update every 5 weeks, Nature Flip Clock fortnightly. The most recent releases landed on October 13, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | GapClock | Nature Flip Clock |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Fortnightly** |
| Size | 19 MB | 13 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [铁 周](https://appshunter.io/developer/1703389665) | [四青 薛](https://appshunter.io/developer/1895262513) |

## What reviewers say

### GapClock

[App page](https://appshunter.io/ios/app/gapclock/id6756352171)

**In-app purchases:** none


### Nature Flip Clock

[App page](https://appshunter.io/ios/app/nature-flip-clock-horae/id6801361948)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| The complete cabinet | $4.99 | one-time |


## Frequently asked questions

### Is GapClock free?

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

### Is Nature Flip Clock free?

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

### Do GapClock or Nature Flip Clock have ads?

Neither GapClock nor Nature Flip Clock shows ads.

### Which is updated more often, GapClock or Nature Flip Clock?

GapClock ships an update every 5 weeks, and Nature Flip Clock fortnightly. Most recently, GapClock was updated on October 13, 2026 and Nature Flip Clock on October 24, 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.*