# KORAKU vs Lumos

The clearest difference is ads: Lumos at none against KORAKU's shown. KORAKU's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 26.2). On price and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | KORAKU | Lumos |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 10 days | — |
| Size | 27 MB | 3 MB |
| Requires iOS | **15.0** | 26.2 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Fuji Bit Inc.](https://appshunter.io/developer/1874205957) | [GALGOTIAS UNIVERSITY,SCHOOL OF BUSINESS](https://appshunter.io/developer/1804867214) |

## What reviewers say

### KORAKU

[App page](https://appshunter.io/ios/app/koraku/id6760215571)

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

**In-app purchases:** none


### Lumos

[App page](https://appshunter.io/ios/app/lumos-simulate-light/id6767123329)

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

**In-app purchases:** none


## Frequently asked questions

### Is KORAKU free?

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

### Is Lumos free?

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

### Do KORAKU or Lumos have ads?

KORAKU shows ads; Lumos does not.

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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.*