SennReg vs Valley Design Tools
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SennReg
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Efficient irrigation systems use pressure regulators to limit excessive and varying inlet pressures to a constant outlet pressure. The SennREG calculator will show you the relationship your pressure has on your flow in both US and metric units.
Valley Design Tools
This app simplifies irrigation system design by calculating essential hydraulic and electrical requirements. It offers an intuitive interface for determining system flow rate, application rate, pivot pad, and pressure needs.
- System flow rate calculation
- Application rate calculation
- Pivot pad design
- Pressure requirements
- Electrical requirements
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Easy, efficient, user-friendly, intuitive mobile application to calculate hydraulic and electrical requirements for your irrigation system. Features Include: - System Flow rate - Application rate - Pivot pad - Pressure requirements - Electrical requirements
Screenshots
Verdict
The clearest difference is update cadence: SennReg at every 2 months against Valley Design Tools's every 4 months. SennReg also leads on device support (3 vs 1) and iOS requirement (9.0 vs 16.6). On price, ads and in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
SennReg ships an update every 2 months, Valley Design Tools every 4 months. The most recent releases landed on October 14, 2026 and October 8, 2026 respectively.
| Parameter | SennReg | Valley Design Tools |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 2 months — better | Every 4 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 9.0 — better | 16.6 |
| Further details — not scored | ||
| Size | 63 MB | 30 MB |
| Age rating | 4+ | 4+ |
| Developer | Senninger Irrigation | Valmont Industries, Inc. |
In-app purchases
SennReg
No in-app purchases
Valley Design Tools
No in-app purchases
Questions
Is SennReg free?
Is Valley Design Tools free?
Do SennReg or Valley Design Tools have ads?
Which is updated more often, SennReg or Valley Design Tools?
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