# PoolSync vs Polytropic

The clearest difference is rating: Polytropic at 3.0 against PoolSync's 2.1. Polytropic also leads on update cadence (every 3 weeks vs every 2 months). PoolSync's advantage is ratings volume (64 vs 2) and review sentiment (20% vs 4%). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Polytropic holds the better App Store score, 3.0 against 2.1. That said, the two scores are not equally well evidenced: PoolSync has 64 ratings behind it against 2, so its average is the more settled of the two. Written reviews complicate that: 20% of PoolSync's written reviews are positive against 4% of Polytropic's, so the app with the better star average is not the one people write more warmly about.

PoolSync ships an update every 2 months, Polytropic every 3 weeks. The most recent releases landed on September 18, 2026 and June 10, 2026 respectively.

## The numbers

| Metric | PoolSync | Polytropic |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.1 (64 ratings)](https://appshunter.io/ios/app/poolsync/id1498848116/reviews) | **[3.0 (2 ratings)](https://appshunter.io/ios/app/polytropic/id1613713279/reviews)** |
| Number of ratings | **64** | 2 |
| Positive reviews | **19.7% of reviews** | 4.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 39 MB | 250 MB |
| Requires iOS | 15.1 | **14.2** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [AquaCal AutoPilot, Inc](https://appshunter.io/developer/1498848115) | [polytropic](https://appshunter.io/developer/1613713281) |

## What reviewers say

### PoolSync

[App page](https://appshunter.io/ios/app/poolsync/id1498848116)

Control your pool equipment remotely from your iOS device. Adjust settings like temperature and sanitization, create schedules, and receive important alerts. Stay connected to your pool's status whether you're at home or away.

**Highlights:** Remote equipment control, Adjust heat pump set point, Change sanitization level, Create schedules, Receive alerts, Monitor pool status

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Controls pool features remotely
- 👍 Can monitor chlorinator and heat pump
- 👍 App improved over time (recent positive)
- 👍 Easy to set up (recent positive)
- 👍 Controls pumps, heater, valves, spa, lights

**What reviewers complain about**

- 🐛 Frequent disconnection issues
- 🐛 "Unit does not appear online" error
- 🐛 Basic functionality, minimal details
- 🐛 Poor customer service/no response
- 🐛 Wi-Fi password issues (spaces not allowed)

**Reported bugs**

- Connection issues: "cloud connected" but "unit does not appear online"
- Wi-Fi connection fails even when close to router
- App gets stuck in setup mode, doesn't find heater/chiller (Error 1012)
- Cannot input spaces in Wi-Fi password
- Bug in verification screen preventing code input

**Requested features**

- Add temperature history graph
- Add notifications for heater issues
- Integrate relay contacts for heating priority
- Allow spaces in Wi-Fi passwords
- Add Alexa, Google, HomeKit, IFTTT integration


### Polytropic

[App page](https://appshunter.io/ios/app/polytropic/id1613713279)

This app provides secure remote management for heat pumps, enabling supervision, preventive maintenance, and easy adjustments. It offers an intuitive interface for monitoring machine status, temperatures, and operating modes, with data stored for five years.

**Highlights:** Secure remote heat pump management, Preventive maintenance and diagnostics, Remote parameter adjustment and optimization, Real-time status monitoring, Error code feedback and proactive service, Data storage for 5 years, Remote water treatment management

**In-app purchases:** none


## Frequently asked questions

### Is PoolSync free?

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

### Is Polytropic free?

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

### Which has better reviews, PoolSync or Polytropic?

Polytropic is rated higher. PoolSync averages 2.1 out of 5 from 64 ratings, while Polytropic averages 3.0 from 2 ratings.

### Do PoolSync or Polytropic have ads?

Neither PoolSync nor Polytropic shows ads.

### Which is updated more often, PoolSync or Polytropic?

PoolSync ships an update every 2 months, and Polytropic every 3 weeks. Most recently, PoolSync was updated on September 18, 2026 and Polytropic on June 10, 2026.

---

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