# Caldera® Spas vs Ciridian

The clearest difference is iOS requirement: Ciridian at 16.6 against Caldera® Spas's 18.0. 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.

Caldera® Spas ships an update every 3 months, Ciridian every 2 months. The most recent releases landed on October 25, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Caldera® Spas | Ciridian |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.6 (5 ratings)](https://appshunter.io/ios/app/caldera-spas/id6502303368/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 48 MB | 27 MB |
| Requires iOS | 18.0 | **16.6** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Watkins Manufacturing Corporation](https://appshunter.io/developer/662341471) | [Ciridian](https://appshunter.io/developer/1781066276) |

## What reviewers say

### 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


### Ciridian

[App page](https://appshunter.io/ios/app/ciridian/id6738507790)

**Features:** Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is Caldera® Spas free?

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

### Is Ciridian free?

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

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

Neither Caldera® Spas nor Ciridian shows ads.

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

Caldera® Spas ships an update every 3 months, and Ciridian every 2 months. Most recently, Caldera® Spas was updated on October 25, 2026 and Ciridian on October 13, 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.*