# USSPA SmartApp vs PT41

The clearest difference is iOS requirement: PT41 at 8.0 against USSPA SmartApp's 11.0. 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.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on October 15, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | USSPA SmartApp | PT41 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | Free | — |
| Size | 23 MB | 112 MB |
| Requires iOS | 11.0 | **8.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [MEDIA FACTORY Czech Republic a.s.](https://appshunter.io/developer/937782577) | [ELEKTROBOCK CZ s.r.o.](https://appshunter.io/developer/1213763040) |

## What reviewers say

### USSPA SmartApp

[App page](https://appshunter.io/ios/app/usspa-smartapp/id937782578)

Remotely manage your spa's functions, including water temperature, filtration, and energy-saving modes, from your iPhone or iPad. Ensure your spa is always ready for use with intuitive control over all its features.

**Highlights:** Remote spa control, Monitor spa status, Adjust water heating, Set filtration times, Configure energy-saving modes, Intuitive user interface

**Features:** macOS Compatibility

**In-app purchases:** none


### PT41

[App page](https://appshunter.io/ios/app/pt41/id1142243747)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is USSPA SmartApp free?

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

### Is PT41 free?

PT41 is free to download, with no in-app purchases.

### Do USSPA SmartApp or PT41 have ads?

Neither USSPA SmartApp nor PT41 shows ads.

### Which is updated more often, USSPA SmartApp or PT41?

USSPA SmartApp ships an update every 3 months, and PT41 every 3 months. Most recently, USSPA SmartApp was updated on October 15, 2026 and PT41 on October 11, 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.*