# PoolApp vs Aqualis

The clearest difference is in-app purchases: PoolApp at none against Aqualis's 4. PoolApp also leads on ads (none vs shown) and device support (3 vs 1). Aqualis's advantage is update cadence (every 3 days vs fortnightly). On price there is nothing between them.

Both are free to download. Aqualis sells 4 in-app purchases, starting at $1.99 per month. PoolApp asks for nothing beyond the download.

PoolApp ships an update fortnightly, Aqualis every 3 days. The most recent releases landed on September 22, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | PoolApp | Aqualis |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Fortnightly | **Every 3 days** |
| Size | 64 MB | 21 MB |
| Requires iOS | **15.6** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [CSB Systems S.r.l.](https://appshunter.io/developer/1791076328) | [vincent riga](https://appshunter.io/developer/1886503437) |

## What reviewers say

### PoolApp

[App page](https://appshunter.io/ios/app/poolapp/id6740698334)

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

**In-app purchases:** none


### Aqualis

[App page](https://appshunter.io/ios/app/aqualis/id6787792740)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Aqualis Pro | $1.99 | per month |
| Aqualis Pro Quarterly | $3.99 | per 3 months |
| Aqualis Pro | $12.99 | per year |
| Aqualis Pro — Lifetime | $34.99 | one-time |


## Frequently asked questions

### Is PoolApp free?

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

### Is Aqualis free?

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

### Do PoolApp or Aqualis have ads?

Aqualis shows ads; PoolApp does not.

### Which is updated more often, PoolApp or Aqualis?

PoolApp ships an update fortnightly, and Aqualis every 3 days. Most recently, PoolApp was updated on September 22, 2026 and Aqualis on September 18, 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.*