# Polycast Drain Designer vs StormGuardPro

The clearest difference is update cadence: StormGuardPro at every 2 weeks against Polycast Drain Designer's every 16 months. Polycast Drain Designer's advantage is device support (3 vs 1) and iOS requirement (9.0 vs 17.0). On price, 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.

Polycast Drain Designer ships an update every 16 months, StormGuardPro every 2 weeks. The most recent releases landed on November 3, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Polycast Drain Designer | StormGuardPro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/polycast-drain-designer/id1499107187/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 16 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 49 MB | 6 MB |
| Requires iOS | **9.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Hubbell Inc](https://appshunter.io/developer/1263996930) | [CISCO SANCHEZ LLC](https://appshunter.io/developer/1868390361) |

## What reviewers say

### Polycast Drain Designer

[App page](https://appshunter.io/ios/app/polycast-drain-designer/id1499107187)

Easily design 600 and 700 series drain systems with this intuitive program. It guides you through the entire process, enabling the creation of drawings, bills of material, and project specifications.

**Highlights:** Step-by-step design process, Create drawings, Generate bill of materials, Produce project specifications, Supports 600 and 700 series drains

**Features:** macOS Compatibility

**In-app purchases:** none


### StormGuardPro

[App page](https://appshunter.io/ios/app/stormguardpro/id6760301161)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Polycast Drain Designer free?

Polycast Drain Designer is free to download, with no in-app purchases.

### Is StormGuardPro free?

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

### Do Polycast Drain Designer or StormGuardPro have ads?

Neither Polycast Drain Designer nor StormGuardPro shows ads.

### Which is updated more often, Polycast Drain Designer or StormGuardPro?

Polycast Drain Designer ships an update every 16 months, and StormGuardPro every 2 weeks. Most recently, Polycast Drain Designer was updated on November 3, 2026 and StormGuardPro on October 17, 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.*