# Hourglass vs Switching Hourglass

The clearest difference is in-app purchases: Hourglass at none against Switching Hourglass's 1. Switching Hourglass's advantage is ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Switching Hourglass sells 1 one-off in-app purchase. Hourglass asks for nothing beyond the download.

Hourglass ships an update every 4 days, Switching Hourglass weekly. The most recent releases landed on November 4, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Hourglass | Switching Hourglass |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 4 days** | Weekly |
| Size | 27 MB | 22 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [kenji abe](https://appshunter.io/developer/1461779902) | [Chisato Yoshida](https://appshunter.io/developer/6803738117) |

## What reviewers say

### Hourglass

[App page](https://appshunter.io/ios/app/hourglass-physics-simulation/id6670490622)

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

**In-app purchases:** none


### Switching Hourglass

[App page](https://appshunter.io/ios/app/switching-hourglass/id6803738115)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Switching Hourglass Full | $1.99 | one-time |


## Frequently asked questions

### Is Hourglass free?

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

### Is Switching Hourglass free?

Switching Hourglass is free to download, with in-app purchases available.

### Do Hourglass or Switching Hourglass have ads?

Hourglass shows ads; Switching Hourglass does not.

### Which is updated more often, Hourglass or Switching Hourglass?

Hourglass ships an update every 4 days, and Switching Hourglass weekly. Most recently, Hourglass was updated on November 4, 2026 and Switching Hourglass on October 31, 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.*