H2OPro Sprinkler Timer vs Pipe Sizer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
H2OPro Sprinkler Timer
Control your smart sprinkler system remotely. Create custom watering schedules, monitor water consumption, and get instant alerts for potential issues like leaks or blockages.
- Remote sprinkler control
- Custom watering schedules
- Water usage tracking
- Leak detection alerts
- Clogged line alerts
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H2OPro manages the H2OPro WiFi-Enabled Smart Sprinkler Timer. Use your iPhone to easily create watering schedules, track water use, and receive e-mail alerts when leaky or clogged water lines are detected.
Pipe Sizer
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.
- Pressure pipe sizing
- Gravity pipe sizing
- Automatic pipe size recommendations
- Multiple pipe material support
- SI and Imperial units
- Hazen-Williams and Manning equations
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PipeSizer helps you quickly choose the right pipe diameter for water systems — for both pressure and gravity flow. PRESSURE PIPE SIZING • Size pipes from a target flow rate. • Set your maximum friction rate and velocity limits. • Calculations based on the Hazen-Williams equation. GRAVITY PIPE SIZING • Size pipes from a target flow rate. • Evaluate flow capacity and velocity under gravity conditions. • Calculations based on the Manning equation. KEY FEATURES • Automatic recommended pipe size based on your limits. • Multiple pipe materials with built-in coefficients (more added over time). • Works in both SI and Imperial (I-P) units. • Designed for engineers, plumbers, and irrigation/drainage design workflows. Feedback is welcome — it directly shapes upcoming updates.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | H2OPro Sprinkler Timer | Pipe Sizer |
|---|---|---|
| Price | Free — better | $0.99 |
| Rating | 5.0 (4 ratings) | 5.0 (3 ratings) |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 4 — better | 3 |
| Update frequency | Every 2 months — better | Every 27 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 16.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 15 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Paul Dorsey | Wassim Murr |
Customer experience
H2OPro Sprinkler Timer
Pipe Sizer
In-app purchases
H2OPro Sprinkler Timer
No in-app purchases
Pipe Sizer
No in-app purchases
Questions
Is H2OPro Sprinkler Timer free?
Is Pipe Sizer free?
Which has better reviews, H2OPro Sprinkler Timer or Pipe Sizer?
Do H2OPro Sprinkler Timer or Pipe Sizer have ads?
Which is updated more often, H2OPro Sprinkler Timer or Pipe Sizer?
Other comparisons
