# Tero App vs Red Light for Sleeping

The clearest difference is in-app purchases: Tero App at none against Red Light for Sleeping's 2. Tero App also leads on iOS requirement (15.0 vs 17.0). Red Light for Sleeping's advantage is device support. On price there is nothing between them.

Both are free to download. Red Light for Sleeping sells 2 in-app purchases, starting at $1.99 per month. Tero App asks for nothing beyond the download.

## The numbers

| Metric | Tero App | Red Light for Sleeping |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/red-light-for-sleeping/id6781716163/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | — | No |
| Update frequency | — | Every 2 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 131 MB | 25 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | — | **iPhone, iPad** |
| Age rating | 17+ | 4+ |
| Developer | [Brian Hanson](https://appshunter.io/developer/1585489841) | [Faris Abaza](https://appshunter.io/developer/1530532028) |

## What reviewers say

### Tero App

[App page](https://appshunter.io/ios/app/tero-app/id1585489839)

**In-app purchases:** none


### Red Light for Sleeping

[App page](https://appshunter.io/ios/app/red-light-for-sleeping/id6781716163)

This app uses your device's OLED display to emit deep red light, promoting better sleep by reducing harsh nighttime brightness. Customize brightness, red tone, and set a sleep timer for a calming experience. It also offers white noise and relaxing sounds.

**Highlights:** Deep red OLED light emission, Customizable brightness and red tone, Sleep timer, White noise and relaxing sounds, No user tracking, No account required

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Access | $1.99 | per month |
| Premium Access | $12.99 | per year |


## Frequently asked questions

### Is Tero App free?

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

### Is Red Light for Sleeping free?

Red Light for Sleeping is free to download, with in-app purchases available.

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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.*