# Sunlighten vs iSteamX

The clearest difference is rating: Sunlighten at 2.7 against iSteamX's 1.7. Sunlighten also leads on review sentiment (20% vs 0%) and ratings volume (84 vs 6). 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.

Sunlighten holds the better App Store score, 2.7 against 1.7. That said, the two scores are not equally well evidenced: Sunlighten has 84 ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 20% of Sunlighten's written reviews are positive against 0% of iSteamX's.

Sunlighten ships an update every 4 months, iSteamX every 3 months. Both last shipped on October 30, 2026.

## The numbers

| Metric | Sunlighten | iSteamX |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.7 (84 ratings)](https://appshunter.io/ios/app/sunlighten/id1634410434/reviews)** | [1.7 (6 ratings)](https://appshunter.io/ios/app/isteamx/id6749754379/reviews) |
| Number of ratings | **84** | 6 |
| Positive reviews | **19.8% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 months** |
| Monetization | Free | Free |
| Size | 53 MB | 29 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Sunlighten Inc](https://appshunter.io/developer/1634410436) | [Sussman Automatic Corp](https://appshunter.io/developer/909344542) |

## What reviewers say

### 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


### iSteamX

[App page](https://appshunter.io/ios/app/isteamx/id6749754379)

Control your steam shower and accessories remotely. Adjust temperature, duration, lighting, and aromatherapy to prepare your steam experience before you enter.

**Highlights:** Remote steam shower control, Set temperature and duration, Adjust ChromaX lighting, Control Aromasteam, Compatible with iSteamX systems

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sunlighten free?

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

### Is iSteamX free?

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

### Which has better reviews, Sunlighten or iSteamX?

Sunlighten is rated higher. Sunlighten averages 2.7 out of 5 from 84 ratings, while iSteamX averages 1.7 from 6 ratings.

### Do Sunlighten or iSteamX have ads?

Neither Sunlighten nor iSteamX shows ads.

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

Sunlighten ships an update every 4 months, and iSteamX every 3 months. Most recently, Sunlighten was updated on October 30, 2026 and iSteamX on October 30, 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.*