# Luma Calc vs LightMate

The clearest difference is price: Luma Calc at Free against LightMate's $0.99. Luma Calc also leads on device support (3 vs 1) and iOS requirement (13.0 vs 18.0). LightMate's advantage is update cadence (every 2 weeks vs every 7 months). On ads and in-app purchases there is nothing between them.

Luma Calc is free to download; LightMate costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Luma Calc ships an update every 7 months, LightMate every 2 weeks. Both last shipped on October 7, 2026.

## The numbers

| Metric | Luma Calc | LightMate |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 2 weeks** |
| Size | 19 MB | 1 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [yeongsu son](https://appshunter.io/developer/1795476431) | [Qiao Hu](https://appshunter.io/developer/1076093840) |

## 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


### LightMate

[App page](https://appshunter.io/ios/app/lightmate-expocalc/id6743069293)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Luma Calc free?

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

### Is LightMate free?

LightMate costs $0.99, with no in-app purchases.

### Do Luma Calc or LightMate have ads?

Neither Luma Calc nor LightMate shows ads.

### Which is updated more often, Luma Calc or LightMate?

Luma Calc ships an update every 7 months, and LightMate every 2 weeks. Most recently, Luma Calc was updated on October 7, 2026 and LightMate on October 7, 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.*