# Image Alignment vs Ruler

The clearest difference is ads: Ruler at none against Image Alignment's shown. Ruler also leads on iOS requirement (13.0 vs 17.7.2). Image Alignment's advantage is update cadence (fortnightly vs every 2 months). 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.

Image Alignment ships an update fortnightly, Ruler every 2 months. The most recent releases landed on September 30, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Image Alignment | Ruler |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Fortnightly** | Every 2 months |
| Size | 84 MB | 23 MB |
| Requires iOS | 17.7.2 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Hideaki Uchikoshi](https://appshunter.io/developer/1559575002) | [mintaek lee](https://appshunter.io/developer/1862176346) |

## What reviewers say

### Image Alignment

[App page](https://appshunter.io/ios/app/image-alignment/id6511211319)

**Features:** macOS Compatibility

**In-app purchases:** none


### Ruler

[App page](https://appshunter.io/ios/app/ruler-screen-measure-tool/id6757359013)

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

**In-app purchases:** none


## Frequently asked questions

### Is Image Alignment free?

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

### Is Ruler free?

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

### Do Image Alignment or Ruler have ads?

Image Alignment shows ads; Ruler does not.

### Which is updated more often, Image Alignment or Ruler?

Image Alignment ships an update fortnightly, and Ruler every 2 months. Most recently, Image Alignment was updated on September 30, 2026 and Ruler on October 1, 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.*