# ePool vs Polytropic Pro

ePool and Polytropic Pro are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ePool ships an update every 8 months, Polytropic Pro every 4 months. The most recent releases landed on October 3, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | ePool | Polytropic Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (2 ratings)](https://appshunter.io/ios/app/epool/id1504496216/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 4 months** |
| Monetization | Free | — |
| Size | 36 MB | 252 MB |
| Requires iOS | **13.4** | 14.2 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Pool Technologie](https://appshunter.io/developer/1223363500) | [Polytropic](https://appshunter.io/developer/1613713281) |

## What reviewers say

### ePool

[App page](https://appshunter.io/ios/app/epool/id1504496216)

Control your automatic pool treatment system remotely via Bluetooth. Adjust device parameters, view water quality data, and launch maintenance operations. Get assistance and access tutorials for your pool system.

**Highlights:** Bluetooth remote control, Adjust production, ORP, Cl, pH, UV setpoints, View water temperature and salt level, Access data and event history, Guided maintenance operations, Send reports to professionals, Update appliance software

**Features:** macOS Compatibility

**In-app purchases:** none


### Polytropic Pro

[App page](https://appshunter.io/ios/app/polytropic-pro/id6452721348)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is ePool free?

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

### Is Polytropic Pro free?

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

### Do ePool or Polytropic Pro have ads?

Neither ePool nor Polytropic Pro shows ads.

### Which is updated more often, ePool or Polytropic Pro?

ePool ships an update every 8 months, and Polytropic Pro every 4 months. Most recently, ePool was updated on October 3, 2026 and Polytropic Pro 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.*