# System Pavers vs Hydropool Referral

The clearest difference is iOS requirement: Hydropool Referral at 13.0 against System Pavers's 15.0. 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.

System Pavers ships an update every 3 weeks, Hydropool Referral every 2 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | System Pavers | Hydropool Referral |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Size | 38 MB | 38 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [System Pavers, LLC](https://appshunter.io/developer/1838793817) | [Hydropool Inc](https://appshunter.io/developer/1895749341) |

## What reviewers say

### System Pavers

[App page](https://appshunter.io/ios/app/system-pavers/id6752305542)

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

**In-app purchases:** none


### Hydropool Referral

[App page](https://appshunter.io/ios/app/hydropool-referral/id6764364233)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is System Pavers free?

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

### Is Hydropool Referral free?

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

### Do System Pavers or Hydropool Referral have ads?

Neither System Pavers nor Hydropool Referral shows ads.

### Which is updated more often, System Pavers or Hydropool Referral?

System Pavers ships an update every 3 weeks, and Hydropool Referral every 2 weeks. Most recently, System Pavers was updated on October 24, 2026 and Hydropool Referral on October 24, 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.*