# PoolsKey vs Acquapilot Scan

PoolsKey and Acquapilot Scan are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. PoolsKey sells 2 in-app purchases, starting at $4.99 per month and Acquapilot Scan sells 4 in-app purchases, starting at $6.99 per year. Whichever you choose, the download price is not the number that matters.

PoolsKey ships an update every 9 days, Acquapilot Scan fortnightly. The most recent releases landed on September 30, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | PoolsKey | Acquapilot Scan |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (8 ratings)](https://appshunter.io/ios/app/poolskey-pool-water-testing/id6785481333/reviews)** | — |
| Number of ratings | **8** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 9 days** | Fortnightly |
| Monetization | Freemium | — |
| Size | 66 MB | 39 MB |
| Requires iOS | 16.4 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [KeyInventions LLC](https://appshunter.io/developer/6776918079) | [Alexandre Hubeau](https://appshunter.io/developer/1886651402) |

## What reviewers say

### PoolsKey

[App page](https://appshunter.io/ios/app/poolskey-pool-water-testing/id6785481333)

Easily test your pool's water by scanning test strips with your phone's camera. Get instant readings and precise chemical dosing instructions tailored to your pool's size and type. Track your pool's health and receive smart reminders for re-testing.

**Highlights:** Scan any pool test strip with your camera, Get instant water readings, Receive precise chemical dosing instructions, Save multiple pool profiles, AI pool-care assistant (Pro), Smart re-test reminders (Pro)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PoolsKey Pro | $4.99 | per month |
| PoolsKey Pro (Annual) | $29.99 | per year |


### Acquapilot Scan

[App page](https://appshunter.io/ios/app/acquapilot-scan/id6790566693)

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Scan — 1 pool | $6.99 | per year |
| Scan — 3 pools | $14.99 | per year |
| Scan — 10 pools | $22.99 | per year |
| Scan — 100 pools | $129.00 | per year |


## Frequently asked questions

### Is PoolsKey free?

PoolsKey is free to download, with in-app purchases available.

### Is Acquapilot Scan free?

Acquapilot Scan is free to download, with in-app purchases available.

### Do PoolsKey or Acquapilot Scan have ads?

Neither PoolsKey nor Acquapilot Scan shows ads.

### Which is updated more often, PoolsKey or Acquapilot Scan?

PoolsKey ships an update every 9 days, and Acquapilot Scan fortnightly. Most recently, PoolsKey was updated on September 30, 2026 and Acquapilot Scan on September 25, 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.*