# Steamlinx vs Sunlighten

The clearest difference is rating: Sunlighten at 2.7 against Steamlinx's 1.1. Sunlighten also leads on review sentiment (20% vs 4%). Steamlinx's advantage is iOS requirement (13.0 vs 15.1). On price, ratings volume, update cadence and ads there is nothing between them.

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

Sunlighten holds the better App Store score, 2.7 against 1.1. Both are backed by a comparable volume of ratings — 205 and 88 respectively. Written reviews point the same way: 4% of Steamlinx's written reviews are positive against 20% of Sunlighten's.

Both ship on a similar rhythm, roughly every 4 months. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Steamlinx | Sunlighten |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.1 (205 ratings)](https://appshunter.io/ios/app/steamlinx/id1254150503/reviews) | **[2.7 (88 ratings)](https://appshunter.io/ios/app/sunlighten/id1634410434/reviews)** |
| Number of ratings | **205** | 88 |
| Positive reviews | 3.6% of reviews | **19.8% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | Every 4 months |
| Monetization | Free | Free |
| Size | 55 MB | 53 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Sussman Automatic Corp](https://appshunter.io/developer/909344542) | [Sunlighten Inc](https://appshunter.io/developer/1634410436) |

## What reviewers say

### Steamlinx

[App page](https://appshunter.io/ios/app/steamlinx/id1254150503)

Control your MrSteam steam shower remotely from your mobile device. Easily turn the shower on or off, and set your desired temperature and duration for a perfectly prepared experience.

**Highlights:** Remote steam shower control, On/Off functionality, Temperature setting, Duration setting, Compatibility with all MrSteam controls

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 🚀 Works as advertised
- 👍 Simple and straightforward

**What reviewers complain about**

- 🐛 Consistently buggy and non-functional
- 💤 Extremely limited functionality
- ⏱️ Significant lag and delays
- 🔌 Unreliable connectivity

**Reported bugs**

- App frequently crashes or freezes
- Fails to connect to steam unit
- Controls do not consistently work as expected

**Requested features**

- Integrate with smart home features (music, lighting, etc.)
- Provide more granular control over steam settings
- Improve responsiveness and reliability of the app


### 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 Steamlinx free?

Steamlinx 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, Steamlinx or Sunlighten?

Sunlighten is rated higher. Steamlinx averages 1.1 out of 5 from 205 ratings, while Sunlighten averages 2.7 from 88 ratings.

### Do Steamlinx or Sunlighten have ads?

Neither Steamlinx nor Sunlighten shows ads.

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

Steamlinx ships an update every 4 months, and Sunlighten every 4 months. Most recently, Steamlinx was updated on November 6, 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.*