# BB3 vs Sunlighten

The clearest difference is rating: BB3 at 5.0 against Sunlighten's 2.7. BB3 also leads on iOS requirement (11.0 vs 15.1). Sunlighten's advantage is ratings volume (85 vs 2). On price, update cadence, ads 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.

BB3 holds the better App Store score, 5.0 against 2.7. That said, the two scores are not equally well evidenced: Sunlighten has 85 ratings behind it against 2, so its average is the more settled of the two.

BB3 ships an update every 6 months, Sunlighten every 4 months. The most recent releases landed on October 24, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | BB3 | Sunlighten |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/bb3-physical-mastery/id1095835917/reviews)** | [2.7 (85 ratings)](https://appshunter.io/ios/app/sunlighten/id1634410434/reviews) |
| Number of ratings | 2 | **85** |
| Positive reviews | — | 19.8% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 4 months** |
| Monetization | Free | Free |
| Size | 75 MB | 53 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Beck Fitness Center, Inc.](https://appshunter.io/developer/1493308602) | [Sunlighten Inc](https://appshunter.io/developer/1634410436) |

## What reviewers say

### BB3

[App page](https://appshunter.io/ios/app/bb3-physical-mastery/id1095835917)

This app provides direct coaching from a world-renowned personal trainer to help you elevate your physical fitness. Track your workouts, log your meals, and monitor your progress with personalized guidance.

**Highlights:** Direct coaching from Billy Beck III, Workout tracking, Progress monitoring, Meal logging, Personalized guidance

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 BB3 free?

BB3 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, BB3 or Sunlighten?

BB3 is rated higher. BB3 averages 5.0 out of 5 from 2 ratings, while Sunlighten averages 2.7 from 85 ratings.

### Do BB3 or Sunlighten have ads?

Neither BB3 nor Sunlighten shows ads.

### Which is updated more often, BB3 or Sunlighten?

BB3 ships an update every 6 months, and Sunlighten every 4 months. Most recently, BB3 was updated on October 24, 2026 and Sunlighten on October 23, 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.*