# Spa Control vs Caldera® Spas

The clearest difference is in-app purchases: Caldera® Spas at none against Spa Control's 10. Spa Control's advantage is ratings volume (626 vs 5) and review sentiment (11% vs 0%). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. Spa Control sells 10 in-app purchases, starting at $2.49 per month. Caldera® Spas asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 2.7 for Spa Control against 2.6 for Caldera® Spas. That said, the two scores are not equally well evidenced: Spa Control has 626 ratings behind it against 5, so its average is the more settled of the two. Written reviews are what separate them: 11% of Spa Control's written reviews are positive against 0% of Caldera® Spas's.

Spa Control ships an update every 2 months, Caldera® Spas every 3 months. The most recent releases landed on November 1, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Spa Control | Caldera® Spas |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.7 (626 ratings)](https://appshunter.io/ios/app/spa-control-bwa/id469882268/reviews)** | [2.6 (5 ratings)](https://appshunter.io/ios/app/caldera-spas/id6502303368/reviews) |
| Number of ratings | **626** | 5 |
| Positive reviews | **10.8% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 44 MB | 48 MB |
| Requires iOS | **16** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [Balboa Water Group](https://appshunter.io/developer/469886191) | [Watkins Manufacturing Corporation](https://appshunter.io/developer/662341471) |

## What reviewers say

### Spa Control

[App page](https://appshunter.io/ios/app/spa-control-bwa/id469882268)

Control your portable hot tub's lighting, water temperature, and massage pumps remotely via WiFi. Adjust your spa settings from your iPhone or iPad before you even get in.

**Highlights:** Remote spa control, Adjust lighting, Control water temperature, Manage massage pumps, WiFi connectivity, iPhone/iPad compatible

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cloud Mode – Monthly | $2.49 | per month |
| Cloud Mode – Monthly | $2.49 | per month |
| Cloud Mode – Monthly | $2.49 | per month |
| Cloud Mode – Monthly | $2.49 | per month |
| Cloud Mode – Monthly | $2.49 | per month |
| Cloud Mode – Yearly | $24.99 | per year |
| Cloud Mode – Yearly | $24.99 | per year |
| Cloud Mode – Yearly | $24.99 | per year |
| Cloud Mode – Yearly | $24.99 | per year |
| Cloud Mode – Yearly | $24.99 | per year |


### Caldera® Spas

[App page](https://appshunter.io/ios/app/caldera-spas/id6502303368)

Remotely manage your spa's lighting, jets, and temperature. Monitor energy saving modes and cleaning cycles for an enhanced spa experience. Enjoy 24/7 AI support for peace of mind.

**Highlights:** Remote control of lighting, jets, and temperature, Manage Clean Cycle and Energy Saving Modes, Control FreshWater® IQ with dosing, 24/7 AI support, Monitor spa from anywhere

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

**In-app purchases:** none


## Frequently asked questions

### Is Spa Control free?

Spa Control is free to download, with in-app purchases available.

### Is Caldera® Spas free?

Caldera® Spas is free to download, with no in-app purchases.

### Which has better reviews, Spa Control or Caldera® Spas?

Spa Control is rated higher. Spa Control averages 2.7 out of 5 from 626 ratings, while Caldera® Spas averages 2.6 from 5 ratings.

### Do Spa Control or Caldera® Spas have ads?

Neither Spa Control nor Caldera® Spas shows ads.

### Which is updated more often, Spa Control or Caldera® Spas?

Spa Control ships an update every 2 months, and Caldera® Spas every 3 months. Most recently, Spa Control was updated on November 1, 2026 and Caldera® Spas on October 25, 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.*