# Steamtec Sauna vs AlarmSMS Controller

The clearest difference is in-app purchases: Steamtec Sauna at none against AlarmSMS Controller's 1. Steamtec Sauna also leads on iOS requirement (9.0 vs 16.0). AlarmSMS Controller's advantage is update cadence (every 5 weeks vs every 15 months). On price, ads and device support there is nothing between them.

Both are free to download. AlarmSMS Controller sells 1 one-off in-app purchase. Steamtec Sauna asks for nothing beyond the download.

Steamtec Sauna ships an update every 15 months, AlarmSMS Controller every 5 weeks. The most recent releases landed on November 1, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Steamtec Sauna | AlarmSMS Controller |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/steamtec-sauna/id1016176323/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 15 months | **Every 5 weeks** |
| Monetization | Free | — |
| Size | 25 MB | 32 MB |
| Requires iOS | **9.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen TOLO Leisure Equipment Co., Ltd](https://appshunter.io/developer/996042068) | [George Alexandrou](https://appshunter.io/developer/1875566334) |

## What reviewers say

### Steamtec Sauna

[App page](https://appshunter.io/ios/app/steamtec-sauna/id1016176323)

Control your steam generator remotely. Adjust settings like time, temperature, and activate features such as aroma pumps, salt spray, and LED lighting. Manage exhaust fan operation for a personalized steam bath experience.

**Highlights:** Turn steam generator on/off, Set working time, Control room temperature, Manage aroma pump, Control salt spray, Adjust LED lighting, Set exhaust fan

**Features:** macOS Compatibility

**In-app purchases:** none


### AlarmSMS Controller

[App page](https://appshunter.io/ios/app/alarmsms-controller/id6773087060)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AlarmSMS Pro | $4.99 | one-time |


## Frequently asked questions

### Is Steamtec Sauna free?

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

### Is AlarmSMS Controller free?

AlarmSMS Controller is free to download, with in-app purchases available.

### Do Steamtec Sauna or AlarmSMS Controller have ads?

Neither Steamtec Sauna nor AlarmSMS Controller shows ads.

### Which is updated more often, Steamtec Sauna or AlarmSMS Controller?

Steamtec Sauna ships an update every 15 months, and AlarmSMS Controller every 5 weeks. Most recently, Steamtec Sauna was updated on November 1, 2026 and AlarmSMS Controller on November 5, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*