# BufferZone vs ACD Pool Water Test

The clearest difference is iOS requirement: BufferZone at 10.0 against ACD Pool Water Test's 14. 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.

BufferZone ships an update every 3 weeks, ACD Pool Water Test every 4 weeks. The most recent releases landed on October 1, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | BufferZone | ACD Pool Water Test |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 4 weeks |
| Size | 52 MB | 43 MB |
| Requires iOS | **10.0** | 14 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [STRIKEFORCE PROTECTION SYSTEMS PTY LTD](https://appshunter.io/developer/1497054948) | [XY AQUA CARE PTY LTD](https://appshunter.io/developer/1814517034) |

## What reviewers say

### BufferZone

[App page](https://appshunter.io/ios/app/bufferzone/id1497054949)

**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 BufferZone free?

BufferZone 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 BufferZone or ACD Pool Water Test have ads?

Neither BufferZone nor ACD Pool Water Test shows ads.

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

BufferZone ships an update every 3 weeks, and ACD Pool Water Test every 4 weeks. Most recently, BufferZone was updated on October 1, 2026 and ACD Pool Water Test on October 4, 2026.

---

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