# Luma Calc vs Exposure Pro Calc

The clearest difference is in-app purchases: Luma Calc at none against Exposure Pro Calc's 1. Luma Calc also leads on iOS requirement (13.0 vs 15.6). On price, ads and device support there is nothing between them.

Both are free to download. Exposure Pro Calc sells 1 one-off in-app purchase. Luma Calc asks for nothing beyond the download.

## The numbers

| Metric | Luma Calc | Exposure Pro Calc |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | — |
| Size | 19 MB | 12 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [yeongsu son](https://appshunter.io/developer/1795476431) | [思名 周](https://appshunter.io/developer/1880077774) |

## What reviewers say

### Luma Calc

[App page](https://appshunter.io/ios/app/luma-calc/id6741770226)

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

**In-app purchases:** none


### Exposure Pro Calc

[App page](https://appshunter.io/ios/app/exposure-pro-calc/id6761047464)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Exposure Pro Premium | $6.99 | one-time |


## Frequently asked questions

### Is Luma Calc free?

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

### Is Exposure Pro Calc free?

Exposure Pro Calc is free to download, with in-app purchases available.

### Do Luma Calc or Exposure Pro Calc have ads?

Neither Luma Calc nor Exposure Pro Calc 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.*