# Wavelength Optics Calculator vs Image Alignment

The clearest difference is ads: Wavelength Optics Calculator at none against Image Alignment's shown. Wavelength Optics Calculator also leads on iOS requirement (12.0 vs 17.7.2). Image Alignment's advantage is update cadence (fortnightly vs monthly). 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.

Wavelength Optics Calculator ships an update monthly, Image Alignment fortnightly. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Wavelength Optics Calculator | Image Alignment |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Fortnightly** |
| Monetization | Free | — |
| Size | 30 MB | 84 MB |
| Requires iOS | **12.0** | 17.7.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [WAVELENGTH OPTO-ELECTRONIC (S) PTE. LTD.](https://appshunter.io/developer/1573390066) | [Hideaki Uchikoshi](https://appshunter.io/developer/1559575002) |

## What reviewers say

### Wavelength Optics Calculator

[App page](https://appshunter.io/ios/app/wavelength-optics-calculator/id1573390064)

This utility app provides a collection of pre-built calculator formulas for common optical calculations. It's designed for quick and easy access to essential optical engineering tools.

**Highlights:** Pre-built calculator formulas, Popular optical calculations, Quick access tools, Designed for engineers, Useful for students

**Features:** macOS Compatibility

**In-app purchases:** none


### Image Alignment

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Wavelength Optics Calculator free?

Wavelength Optics Calculator is free to download, with no in-app purchases.

### Is Image Alignment free?

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

### Do Wavelength Optics Calculator or Image Alignment have ads?

Image Alignment shows ads; Wavelength Optics Calculator does not.

### Which is updated more often, Wavelength Optics Calculator or Image Alignment?

Wavelength Optics Calculator ships an update monthly, and Image Alignment fortnightly. Most recently, Wavelength Optics Calculator was updated on November 3, 2026 and Image Alignment on November 4, 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.*