# Orpheo vs UNIPool Pilot

The clearest difference is iOS requirement: Orpheo at 8.0 against UNIPool Pilot's 13.0. 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.

Orpheo ships an update every 6 months, UNIPool Pilot every 11 months. The most recent releases landed on September 8, 2026 and May 19, 2026 respectively.

## The numbers

| Metric | Orpheo | UNIPool Pilot |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 months** | Every 11 months |
| Monetization | Free | — |
| Size | 112 MB | 28 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CCEI](https://appshunter.io/developer/468677300) | [telecoautomation srl](https://appshunter.io/developer/1194390467) |

## What reviewers say

### Orpheo

[App page](https://appshunter.io/ios/app/orpheo/id1235085282)

This app helps regulate pH and ORP levels, ideal for liquid chlorine treatment systems. An optional chamber simplifies installation by combining measurement and injection.

**Highlights:** pH regulation, ORP regulation, Liquid chlorine treatment integration, Optional ZeliaPod measuring chamber, Flow sensor integration

**Features:** macOS Compatibility

**In-app purchases:** none


### UNIPool Pilot

[App page](https://appshunter.io/ios/app/unipool-pilot/id1479176356)

**In-app purchases:** none


## Frequently asked questions

### Is Orpheo free?

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

### Is UNIPool Pilot free?

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

### Do Orpheo or UNIPool Pilot have ads?

Neither Orpheo nor UNIPool Pilot shows ads.

### Which is updated more often, Orpheo or UNIPool Pilot?

Orpheo ships an update every 6 months, and UNIPool Pilot every 11 months. Most recently, Orpheo was updated on September 8, 2026 and UNIPool Pilot on May 19, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*