# Pool Watcher vs DSP

The clearest difference is in-app purchases: DSP at none against Pool Watcher's 1. DSP also leads on ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Pool Watcher sells 1 one-off in-app purchase. DSP asks for nothing beyond the download.

## The numbers

| Metric | Pool Watcher | DSP |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Weekly | — |
| Size | 45 MB | 4 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Carlos Guaranda](https://appshunter.io/developer/1845709359) | [道纵 李](https://appshunter.io/developer/1815177966) |

## What reviewers say

### Pool Watcher

[App page](https://appshunter.io/ios/app/pool-watcher/id6753924382)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $49.99 | one-time |


### DSP

[App page](https://appshunter.io/ios/app/dsp-4601/id6754443000)

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

**In-app purchases:** none


## Frequently asked questions

### Is Pool Watcher free?

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

### Is DSP free?

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

### Do Pool Watcher or DSP have ads?

Pool Watcher shows ads; DSP does not.

---

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