# Hourglass vs Image_Resizer

The clearest difference is ads: Image_Resizer at none against Hourglass's shown. Hourglass's advantage is update cadence (every 4 days vs every 8 months) and iOS requirement (16.0 vs 18.2). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Hourglass ships an update every 4 days, Image_Resizer every 8 months. The most recent releases landed on September 15, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | Hourglass | Image_Resizer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 4 days** | Every 8 months |
| Size | 33 MB | 2 MB |
| Requires iOS | **16.0** | 18.2 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [kenji abe](https://appshunter.io/developer/1461779902) | [yoot](https://appshunter.io/developer/425128542) |

## What reviewers say

### Hourglass

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Image_Resizer

[App page](https://appshunter.io/ios/app/image-resizer/id6752478334)

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

**In-app purchases:** none


## Frequently asked questions

### Is Hourglass free?

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

### Is Image_Resizer free?

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

### Do Hourglass or Image_Resizer have ads?

Hourglass shows ads; Image_Resizer does not.

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

Hourglass ships an update every 4 days, and Image_Resizer every 8 months. Most recently, Hourglass was updated on September 15, 2026 and Image_Resizer on September 26, 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.*