# PoolWater vs Quantum Aqua

The clearest difference is update cadence: PoolWater at every 2 weeks against Quantum Aqua's every 4 weeks. 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.

PoolWater ships an update every 2 weeks, Quantum Aqua every 4 weeks. The most recent releases landed on September 18, 2026 and January 30, 2026 respectively.

## The numbers

| Metric | PoolWater | Quantum Aqua |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 4 weeks |
| Size | 23 MB | 187 MB |
| Requires iOS | **12.4** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Terence Newton](https://appshunter.io/developer/1729160858) | [Jordan Kambanis](https://appshunter.io/developer/1744286099) |

## What reviewers say

### PoolWater

[App page](https://appshunter.io/ios/app/poolwater-pro/id6469515424)

**Features:** macOS Compatibility

**In-app purchases:** none


### Quantum Aqua

[App page](https://appshunter.io/ios/app/quantum-aqua/id6502040629)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PoolWater free?

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

### Is Quantum Aqua free?

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

### Do PoolWater or Quantum Aqua have ads?

Neither PoolWater nor Quantum Aqua shows ads.

### Which is updated more often, PoolWater or Quantum Aqua?

PoolWater ships an update every 2 weeks, and Quantum Aqua every 4 weeks. Most recently, PoolWater was updated on September 18, 2026 and Quantum Aqua on January 30, 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.*