# Lights App vs Yarn Math

The clearest difference is in-app purchases: Lights App at none against Yarn Math's 1. Lights App also leads on device support (3 vs 1) and iOS requirement (11.0 vs 16.4). On price and ads there is nothing between them.

Both are free to download. Yarn Math sells 1 in-app purchase, starting at $0.99 per month. Lights App asks for nothing beyond the download.

## The numbers

| Metric | Lights App | Yarn Math |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.7 (13 ratings)](https://appshunter.io/ios/app/lights-app/id1250320630/reviews)** | — |
| Number of ratings | **13** | — |
| Positive reviews | 19.1% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | — |
| Monetization | Free | — |
| Size | 99 MB | 58 MB |
| Requires iOS | **11.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Lights App](https://appshunter.io/developer/1250320629) | [VICTORIA GRYMYR JENSERUD](https://appshunter.io/developer/6819035306) |

## What reviewers say

### Lights App

[App page](https://appshunter.io/ios/app/lights-app/id1250320630)

Control your home lighting with this app. Personalize light sets, create groups for simultaneous control, and utilize timer functions for automated operation. Choose from eight distinct controller functions and adjust brightness.

**Highlights:** Personalize light sets with custom names and pictures, Control multiple light sets simultaneously with groups, Three timer functions for automated lighting schedules, Eight controller functions (e.g., Stay on, Twinkling, Fade away), Adjustable dimming for light sets, Supports 7 languages

**Features:** macOS Compatibility

**In-app purchases:** none


### Yarn Math

[App page](https://appshunter.io/ios/app/yarn-math/id6819035304)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Yarn Math | $0.99 | per month |


## Frequently asked questions

### Is Lights App free?

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

### Is Yarn Math free?

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

### Do Lights App or Yarn Math have ads?

Neither Lights App nor Yarn Math 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.*