# Bionosity vs Caldera® Spas

The clearest difference is rating: Bionosity at 4.0 against Caldera® Spas's 2.8. Bionosity also leads on iOS requirement (13.4 vs 18.0). Caldera® Spas's advantage is monetization model (free vs subscription). 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.

Bionosity holds the better App Store score, 4.0 against 2.8. Both are backed by a comparable volume of ratings — 5 and 4 respectively.

Bionosity ships an update every 2 months, Caldera® Spas every 3 months. The most recent releases landed on September 24, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Bionosity | Caldera® Spas |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (5 ratings)](https://appshunter.io/ios/app/bionosity/id1361174531/reviews)** | [2.8 (4 ratings)](https://appshunter.io/ios/app/caldera-spas/id6502303368/reviews) |
| Number of ratings | **5** | 4 |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Subscription | **Free** |
| Size | 18 MB | 48 MB |
| Requires iOS | **13.4** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [Pivot Interactive](https://appshunter.io/developer/1198258259) | [Watkins Manufacturing Corporation](https://appshunter.io/developer/662341471) |

## What reviewers say

### Bionosity

[App page](https://appshunter.io/ios/app/bionosity/id1361174531)

This service offers daily videos designed to help normalize brainwaves. It is suitable for all ages and aims to promote well-being through its content.

**Highlights:** Daily video content, Brainwave normalization, Suitable for all ages, Subscription service

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 Bionosity free?

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

### Is Caldera® Spas free?

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

### Which has better reviews, Bionosity or Caldera® Spas?

Bionosity is rated higher. Bionosity averages 4.0 out of 5 from 5 ratings, while Caldera® Spas averages 2.8 from 4 ratings.

### Do Bionosity or Caldera® Spas have ads?

Neither Bionosity nor Caldera® Spas shows ads.

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

Bionosity ships an update every 2 months, and Caldera® Spas every 3 months. Most recently, Bionosity was updated on September 24, 2026 and Caldera® Spas on October 10, 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.*