# PoolWater vs ACD Pool Water Test

The clearest difference is update cadence: PoolWater at every 2 weeks against ACD Pool Water Test's every 4 weeks. PoolWater also leads on iOS requirement (12.4 vs 14). 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, ACD Pool Water Test every 4 weeks. The most recent releases landed on October 5, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | PoolWater | ACD Pool Water Test |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 4 weeks |
| Size | 23 MB | 43 MB |
| Requires iOS | **12.4** | 14 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Terence Newton](https://appshunter.io/developer/1729160858) | [XY AQUA CARE PTY LTD](https://appshunter.io/developer/1814517034) |

## What reviewers say

### PoolWater

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

**Features:** macOS Compatibility

**In-app purchases:** none


### ACD Pool Water Test

[App page](https://appshunter.io/ios/app/acd-pool-water-test/id6745918348)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PoolWater free?

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

### Is ACD Pool Water Test free?

ACD Pool Water Test is free to download, with no in-app purchases.

### Do PoolWater or ACD Pool Water Test have ads?

Neither PoolWater nor ACD Pool Water Test shows ads.

### Which is updated more often, PoolWater or ACD Pool Water Test?

PoolWater ships an update every 2 weeks, and ACD Pool Water Test every 4 weeks. Most recently, PoolWater was updated on October 5, 2026 and ACD Pool Water Test on October 28, 2026.

---

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