# Diffraction Grating Calculator vs CalcuLatte

The clearest difference is price: CalcuLatte at Free against Diffraction Grating Calculator's $2.99. CalcuLatte also leads on iOS requirement (11.0 vs 13). Diffraction Grating Calculator's advantage is in-app purchases (none vs 1). On ads and device support there is nothing between them.

CalcuLatte is free to download; Diffraction Grating Calculator costs $2.99 up front. CalcuLatte sells 1 one-off in-app purchase. Diffraction Grating Calculator asks for nothing beyond the download.

## The numbers

| Metric | Diffraction Grating Calculator | CalcuLatte |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 29 months | — |
| Size | 1 MB | 4 MB |
| Requires iOS | 13 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tan Chia Ling](https://appshunter.io/developer/321121189) | [Woodsign](https://appshunter.io/developer/1126354429) |

## What reviewers say

### Diffraction Grating Calculator

[App page](https://appshunter.io/ios/app/diffraction-grating-calculator/id1413088894)

**Features:** macOS Compatibility

**In-app purchases:** none


### CalcuLatte

[App page](https://appshunter.io/ios/app/calculatte/id1464511080)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CalcuLatte Full Version | $1.99 | one-time |


## Frequently asked questions

### Is Diffraction Grating Calculator free?

Diffraction Grating Calculator costs $2.99, with no in-app purchases.

### Is CalcuLatte free?

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

### Do Diffraction Grating Calculator or CalcuLatte have ads?

Neither Diffraction Grating Calculator nor CalcuLatte shows ads.

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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.*