# Pipe Sizer vs Grain SA

The clearest difference is price: Grain SA at Free against Pipe Sizer's $12.99. Grain SA also leads on update cadence (monthly vs every 17 months) and iOS requirement (10.2 vs 16.6). On ads, in-app purchases and device support there is nothing between them.

Grain SA is free to download; Pipe Sizer costs $12.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Pipe Sizer ships an update every 17 months, Grain SA monthly. The most recent releases landed on September 20, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Pipe Sizer | Grain SA |
| --- | --- | --- |
| Price | $12.99 | **Free** |
| Rating | **[4.8 (10 ratings)](https://appshunter.io/ios/app/pipe-sizer-water/id1316033381/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 17 months | **Monthly** |
| Monetization | Paid | — |
| Size | 2 MB | 98 MB |
| Requires iOS | 16.6 | **10.2** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Pheinex, LLC](https://appshunter.io/developer/996932317) | [4SIGHT SYSTEMS (PTY) LTD](https://appshunter.io/developer/656095757) |

## What reviewers say

### Pipe Sizer

[App page](https://appshunter.io/ios/app/pipe-sizer-water/id1316033381)

This app helps water piping system engineers and designers quickly and accurately design and analyze piping systems. It offers direct input for flow, friction, or velocity, with live calculation updates and support for various units and pipe materials.

**Highlights:** Quickly size new piping systems, Analyze existing piping systems, Direct input for flow, friction, or velocity, Live calculation updates, Supports SI and IP units, Works with steel, copper, and PVC pipes, Includes fluid data for water and glycols

**Features:** Vision Pro support

**In-app purchases:** none


### Grain SA

[App page](https://appshunter.io/ios/app/grain-sa/id1665831580)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Pipe Sizer free?

Pipe Sizer costs $12.99, with no in-app purchases.

### Is Grain SA free?

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

### Do Pipe Sizer or Grain SA have ads?

Neither Pipe Sizer nor Grain SA shows ads.

### Which is updated more often, Pipe Sizer or Grain SA?

Pipe Sizer ships an update every 17 months, and Grain SA monthly. Most recently, Pipe Sizer was updated on September 20, 2026 and Grain SA on September 8, 2026.

---

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