# Pi Pro vs HPK Water

The clearest difference is update cadence: Pi Pro at every 3 days against HPK Water's every 4 months. HPK Water's advantage is iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Pi Pro ships an update every 3 days, HPK Water every 4 months. The most recent releases landed on October 24, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Pi Pro | HPK Water |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/pi-pro/id1595755745/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 58.8% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 4 months |
| Monetization | Free | — |
| Size | 70 MB | 36 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [PIHOME TECHNOLOGY JOINT STOCK COMPANY](https://appshunter.io/developer/1134449477) | [HPK TECHNOLOGY AND TRAINING JOINT STOCK COMPANY](https://appshunter.io/developer/1602033988) |

## What reviewers say

### Pi Pro

[App page](https://appshunter.io/ios/app/pi-pro/id1595755745)

This app connects apartment residents with their building management. Residents can report issues, pay bills, and access important contact information. Building managers can send notifications and offer specialized services.

**Highlights:** Resident-management communication channel, Service booking for apartments, Monthly bill viewing and payment history, Important contact directory, Resident handbook for procedures, Vehicle registration for parking

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

**In-app purchases:** none


### HPK Water

[App page](https://appshunter.io/ios/app/hpk-water/id6736992200)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Pi Pro free?

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

### Is HPK Water free?

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

### Do Pi Pro or HPK Water have ads?

Neither Pi Pro nor HPK Water shows ads.

### Which is updated more often, Pi Pro or HPK Water?

Pi Pro ships an update every 3 days, and HPK Water every 4 months. Most recently, Pi Pro was updated on October 24, 2026 and HPK Water on October 27, 2026.

---

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