# H2OPro Sprinkler Timer vs Pipe Sizer

The clearest difference is price: H2OPro Sprinkler Timer at Free against Pipe Sizer's $0.99. H2OPro Sprinkler Timer also leads on update cadence (every 2 months vs every 27 months). On rating, review sentiment, ratings volume and ads there is nothing between them.

H2OPro Sprinkler Timer is free to download; Pipe Sizer costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for H2OPro Sprinkler Timer against 5.0 for Pipe Sizer. Both are backed by a comparable volume of ratings — 4 and 3 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

H2OPro Sprinkler Timer ships an update every 2 months, Pipe Sizer every 27 months. The most recent releases landed on August 21, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | H2OPro Sprinkler Timer | Pipe Sizer |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | [5.0 (4 ratings)](https://appshunter.io/ios/app/h2opro-sprinkler-timer/id1240620212/reviews) | [5.0 (3 ratings)](https://appshunter.io/ios/app/pipe-sizer-water-pipe-sizing/id1576656624/reviews) |
| Number of ratings | **4** | 3 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 27 months |
| Monetization | **Free** | Paid |
| Size | 15 MB | 1 MB |
| Requires iOS | **16.0** | 17.6 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Paul Dorsey](https://appshunter.io/developer/1240620211) | [Wassim Murr](https://appshunter.io/developer/1474939474) |

## What reviewers say

### H2OPro Sprinkler Timer

[App page](https://appshunter.io/ios/app/h2opro-sprinkler-timer/id1240620212)

Control your smart sprinkler system remotely. Create custom watering schedules, monitor water consumption, and get instant alerts for potential issues like leaks or blockages.

**Highlights:** Remote sprinkler control, Custom watering schedules, Water usage tracking, Leak detection alerts, Clogged line alerts

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

**In-app purchases:** none


### Pipe Sizer

[App page](https://appshunter.io/ios/app/pipe-sizer-water-pipe-sizing/id1576656624)

This utility app assists in selecting appropriate pipe diameters for water systems, supporting both pressure and gravity flow calculations. It offers automatic recommendations based on user-defined limits and incorporates multiple pipe materials and unit systems.

**Highlights:** Pressure pipe sizing, Gravity pipe sizing, Automatic pipe size recommendations, Multiple pipe material support, SI and Imperial units, Hazen-Williams and Manning equations

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

**In-app purchases:** none


## Frequently asked questions

### Is H2OPro Sprinkler Timer free?

H2OPro Sprinkler Timer is free to download, with no in-app purchases.

### Is Pipe Sizer free?

Pipe Sizer costs $0.99, with no in-app purchases.

### Which has better reviews, H2OPro Sprinkler Timer or Pipe Sizer?

H2OPro Sprinkler Timer and Pipe Sizer are both rated 5.0 out of 5 on the App Store, from 4 and 3 ratings respectively.

### Do H2OPro Sprinkler Timer or Pipe Sizer have ads?

Neither H2OPro Sprinkler Timer nor Pipe Sizer shows ads.

### Which is updated more often, H2OPro Sprinkler Timer or Pipe Sizer?

H2OPro Sprinkler Timer ships an update every 2 months, and Pipe Sizer every 27 months. Most recently, H2OPro Sprinkler Timer was updated on August 21, 2026 and Pipe Sizer on September 9, 2026.

---

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