# Embr Wave 2 vs Sunlighten

The clearest difference is review sentiment: Embr Wave 2 at 72% against Sunlighten's 20%. Embr Wave 2 also leads on rating (4.8 vs 2.7) and ratings volume (4K vs 88). Sunlighten's advantage is ads (none vs shown) and monetization model (free vs free with in-app purchases). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

Embr Wave 2 holds the better App Store score, 4.8 against 2.7. That said, the two scores are not equally well evidenced: Embr Wave 2 has 4K ratings behind it against 88, so its average is the more settled of the two. Written reviews point the same way: 72% of Embr Wave 2's written reviews are positive against 20% of Sunlighten's.

Embr Wave 2 ships an update every 2 months, Sunlighten every 4 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | Embr Wave 2 | Sunlighten |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (4K ratings)](https://appshunter.io/ios/app/embr-wave-2/id1563878390/reviews)** | [2.7 (88 ratings)](https://appshunter.io/ios/app/sunlighten/id1634410434/reviews) |
| Number of ratings | **4K** | 88 |
| Positive reviews | **72.4% of reviews** | 19.8% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 50 MB | 53 MB |
| Requires iOS | 15.5 | **15.1** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 17+ |
| Developer | [Embr Labs Inc.](https://appshunter.io/developer/1205495904) | [Sunlighten Inc](https://appshunter.io/developer/1634410436) |

## What reviewers say

### Embr Wave 2

[App page](https://appshunter.io/ios/app/embr-wave-2/id1563878390)

Control a wearable thermal device to manage temperature discomfort, stress, and improve sleep. Explore custom sessions, personalize settings, and track usage for better well-being.

**Highlights:** Explore thermal sessions for sleep, relaxation, and focus, Personalize device button programming, Customize temperature and session duration, Schedule automatic cooling and warming sessions, Track device usage and learn about your body, Receive app and firmware updates

**In-app purchases:** none

**What reviewers like**

- 🚀 Effective at cooling/warming
- 👍 Helps with hot flashes, night sweats, and sleep issues
- 👍 Easy to use and navigate
- 👍 Versatile for various use cases (Raynaud's, anxiety, etc.)
- 👍 Positive impact on quality of life

**What reviewers complain about**

- 🐛 Connectivity issues with app
- 🐛 Firmware/software compatibility problems
- 🔋 Battery life concerns
- 💡 Desire for more advanced features (Apple Watch integration, automatic mode, etc.)

**Reported bugs**

- Connectivity issues between device and app
- Firmware/software compatibility problems with newer devices
- Battery life draining faster than expected

**Requested features**

- Apple Watch integration
- Automatic mode/detection of hot flashes
- More customization options
- Improved app functionality and stability


### Sunlighten

[App page](https://appshunter.io/ios/app/sunlighten/id1634410434)

Optimize your well-being with this app, designed to enhance your light therapy and sauna experiences. Create personalized wellness programs, track sessions in real-time, and control your devices remotely for a seamless health journey.

**Highlights:** Science-based wellness programs, Personalized program creation, Real-time session tracking, Remote sauna control (Wi-Fi), Audio and lighting management, Red light therapy panel programs

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Convenient remote control
- 👍 Customizable programs
- 🚀 Easy to use app
- 👍 Enhances sauna experience

**What reviewers complain about**

- 🐛 Unreliable app connectivity
- 🔒 Privacy concerns with data collection
- 🐛 Inconsistent scheduling and remote start
- 🐛 Buggy and glitchy app
- 👎 Limited remote functionality

**Reported bugs**

- App fails to connect to sauna
- Scheduled programs not running as expected
- Inconsistent lighting controls
- Tablet frequently restarts or loses connection

**Requested features**

- Remote start and preheat capability
- Improved app stability and reliability
- Better integration between app and sauna
- More customization options


## Frequently asked questions

### Is Embr Wave 2 free?

Embr Wave 2 is free to download, with no in-app purchases.

### Is Sunlighten free?

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

### Which has better reviews, Embr Wave 2 or Sunlighten?

Embr Wave 2 is rated higher. Embr Wave 2 averages 4.8 out of 5 from 4K ratings, while Sunlighten averages 2.7 from 88 ratings.

### Do Embr Wave 2 or Sunlighten have ads?

Embr Wave 2 shows ads; Sunlighten does not.

### Which is updated more often, Embr Wave 2 or Sunlighten?

Embr Wave 2 ships an update every 2 months, and Sunlighten every 4 months. Most recently, Embr Wave 2 was updated on November 3, 2026 and Sunlighten on November 3, 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.*