# Lux Therapy vs SleepMaxx

The clearest difference is in-app purchases: Lux Therapy at none against SleepMaxx's 2. Lux Therapy also leads on iOS requirement (16.6 vs 18.6). On price, ads and device support there is nothing between them.

Both are free to download. SleepMaxx sells 2 in-app purchases, starting at $9.99 per 7 days. Lux Therapy asks for nothing beyond the download.

## The numbers

| Metric | Lux Therapy | SleepMaxx |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.5 (2 ratings)](https://appshunter.io/ios/app/lux-therapy/id6747880435/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Monthly |
| Monetization | Free | — |
| Size | 10 MB | 19 MB |
| Requires iOS | **16.6** | 18.6 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Aeralas](https://appshunter.io/developer/418806912) | [Evgenii Rozanov](https://appshunter.io/developer/1439552866) |

## What reviewers say

### Lux Therapy

[App page](https://appshunter.io/ios/app/lux-therapy/id6747880435)

This app measures ambient light levels to help optimize your exposure for better mood, sleep, and potential Vitamin D synthesis. Set custom light exposure goals and receive reminders to help you achieve them.

**Highlights:** Measures ambient light in lux-minutes, Estimates Vitamin D synthesis, Customizable light exposure goals, Reminders for light exposure goals, User-friendly interface

**Features:** macOS Compatibility

**In-app purchases:** none


### SleepMaxx

[App page](https://appshunter.io/ios/app/sleepmaxx-sleep-tracker/id6772767350)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sleep Pro Weekly | $9.99 | per 7 days |
| Sleep Pro Yearly | $49.99 | per year |


## Frequently asked questions

### Is Lux Therapy free?

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

### Is SleepMaxx free?

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

### Do Lux Therapy or SleepMaxx have ads?

Neither Lux Therapy nor SleepMaxx 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.*