# PoolSync vs Smart Chlorinator

The clearest difference is update cadence: Smart Chlorinator at every 6 days against PoolSync's every 2 months. Smart Chlorinator also leads on iOS requirement (12.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

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

PoolSync ships an update every 2 months, Smart Chlorinator every 6 days. The most recent releases landed on October 12, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | PoolSync | Smart Chlorinator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.1 (64 ratings)](https://appshunter.io/ios/app/poolsync/id1498848116/reviews)** | — |
| Number of ratings | **64** | — |
| Positive reviews | 19.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 days** |
| Monetization | Free | — |
| Size | 39 MB | 30 MB |
| Requires iOS | 15.1 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [AquaCal AutoPilot, Inc](https://appshunter.io/developer/1498848115) | [FOSHAN SUNDREAM ELECTRONICS CO.LTD](https://appshunter.io/developer/1703947862) |

## 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


### Smart Chlorinator

[App page](https://appshunter.io/ios/app/smart-chlorinator/id6469689129)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PoolSync free?

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

### Is Smart Chlorinator free?

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

### Do PoolSync or Smart Chlorinator have ads?

Neither PoolSync nor Smart Chlorinator shows ads.

### Which is updated more often, PoolSync or Smart Chlorinator?

PoolSync ships an update every 2 months, and Smart Chlorinator every 6 days. Most recently, PoolSync was updated on October 12, 2026 and Smart Chlorinator on September 29, 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.*