# Spa Control vs ECHO Water

The clearest difference is in-app purchases: ECHO Water at none against Spa Control's 10. ECHO Water also leads on update cadence (every 3 weeks vs every 2 months) and review sentiment (20% vs 11%). Spa Control's advantage is ratings volume (601 vs 52). On price, rating, ads and device support there is nothing between them.

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

On the App Store both sit at effectively the same score — 2.7 for Spa Control against 2.7 for ECHO Water. That said, the two scores are not equally well evidenced: Spa Control has 601 ratings behind it against 52, 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 20% of ECHO Water's.

Spa Control ships an update every 2 months, ECHO Water every 3 weeks. The most recent releases landed on October 17, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Spa Control | ECHO Water |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.7 (601 ratings)](https://appshunter.io/ios/app/spa-control-bwa/id469882268/reviews) | [2.7 (52 ratings)](https://appshunter.io/ios/app/echo-water/id6739596759/reviews) |
| Number of ratings | **601** | 52 |
| Positive reviews | 10.8% of reviews | **20.3% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 44 MB | 49 MB |
| Requires iOS | 16 | **15.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Balboa Water Group](https://appshunter.io/developer/469886191) | [Echo Water](https://appshunter.io/developer/1786253277) |

## 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 |


### ECHO Water

[App page](https://appshunter.io/ios/app/echo-water/id6739596759)

This app provides a streamlined and dependable interface for operating your Echo Flask. It offers a simplified user experience for managing hydrogen water generation.

**Highlights:** Simplified operation, Reliable performance, Echo Flask management, Hydrogen water generation

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 🚀 Sleek and compact design
- 💡 Customizable color options

**What reviewers complain about**

- 🐛 Connectivity issues with app
- 🐛 Inaccurate water tracking
- 🐛 Firmware update problems
- 🔋 Unreliable battery life

**Reported bugs**

- App unable to sync with water bottle
- Inconsistent flask counting
- Bluetooth pairing problems

**Requested features**

- Ability to manually log water intake
- Scheduling options for hydrogen water
- Improved app performance and stability


## Frequently asked questions

### Is Spa Control free?

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

### Is ECHO Water free?

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

### Which has better reviews, Spa Control or ECHO Water?

Spa Control and ECHO Water are both rated 2.7 out of 5 on the App Store, from 601 and 52 ratings respectively.

### Do Spa Control or ECHO Water have ads?

Neither Spa Control nor ECHO Water shows ads.

### Which is updated more often, Spa Control or ECHO Water?

Spa Control ships an update every 2 months, and ECHO Water every 3 weeks. Most recently, Spa Control was updated on October 17, 2026 and ECHO Water on October 16, 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.*