# iAquaLink vs C3 Smart

The clearest difference is rating: iAquaLink at 4.7 against C3 Smart's 1.0. iAquaLink also leads on ratings volume (101K vs 3) and review sentiment (28% vs 20%). C3 Smart's advantage is monetization model (free vs free with in-app purchases). 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.

iAquaLink holds the better App Store score, 4.7 against 1.0. That said, the two scores are not equally well evidenced: iAquaLink has 101K ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 28% of iAquaLink's written reviews are positive against 20% of C3 Smart's.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 21, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | iAquaLink | C3 Smart |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (101K ratings)](https://appshunter.io/ios/app/iaqualink/id443059509/reviews)** | [1.0 (3 ratings)](https://appshunter.io/ios/app/c3-smart/id1626255847/reviews) |
| Number of ratings | **101K** | 3 |
| Positive reviews | **28.2% of reviews** | 20.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 41 MB | 16 MB |
| Requires iOS | 13.2 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Zodiac Pool Systems, Inc.](https://appshunter.io/developer/443059512) | [Codelocks International Ltd](https://appshunter.io/developer/1626255849) |

## What reviewers say

### iAquaLink

[App page](https://appshunter.io/ios/app/iaqualink/id443059509)

Control and monitor your swimming pool equipment remotely from your mobile device. Adjust settings like pump speed, temperature, and lighting, and automate cleaning schedules. Offers comprehensive management for various pool systems and accessories.

**Highlights:** Remote pool equipment monitoring and control, Schedule and operate pumps, Control pool and spa heating, Automate pool lighting, Manage saltwater chlorinators, On-demand robotic pool cleaner control, Temperature monitoring and adjustment

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 🚀 Easy to control pool and spa remotely
- 👍 Convenient for monitoring pool status
- 💡 Good integration with Alexa
- 🔒 Reliable connectivity when hardwired

**What reviewers complain about**

- 🐛 Frequent connectivity issues and app crashes
- 👎 Limited functionality in the app compared to web interface
- 💤 Slow response times and laggy performance
- 🤯 Confusing and outdated user interface

**Reported bugs**

- App freezes and loses connection to pool equipment
- Inability to re-add previously connected devices
- Unreliable firmware updates causing issues
- Inconsistent display of pool status and settings

**Requested features**

- Customizable dashboard and one-touch controls
- Notifications for pool events (e.g., robot full, temperature reached)
- Improved scheduling and automation options
- Better integration with smart home platforms


### C3 Smart

[App page](https://appshunter.io/ios/app/c3-smart/id1626255847)

Easily manage and operate your Codelocks Smart Locks with a user-friendly interface. Program settings, issue access, and generate time-sensitive codes. Stay informed with lock notifications and update firmware seamlessly.

**Highlights:** Program and edit lock settings, Manage locks and clients, Issue access and edit permissions, Generate time-sensitive NetCodes, Sync to locks via Bluetooth, View lock audit data, Remote unlocking (with WiFi Gateway)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is iAquaLink free?

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

### Is C3 Smart free?

C3 Smart is free to download, with no in-app purchases.

### Which has better reviews, iAquaLink or C3 Smart?

iAquaLink is rated higher. iAquaLink averages 4.7 out of 5 from 101K ratings, while C3 Smart averages 1.0 from 3 ratings.

### Do iAquaLink or C3 Smart have ads?

Neither iAquaLink nor C3 Smart shows ads.

### Which is updated more often, iAquaLink or C3 Smart?

iAquaLink ships an update every 2 months, and C3 Smart every 2 months. Most recently, iAquaLink was updated on October 21, 2026 and C3 Smart on October 1, 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.*