# Cornell Pump Toolkit vs SG

The clearest difference is update cadence: SG at every 14 months against Cornell Pump Toolkit's every 29 months. SG also leads on iOS requirement (11.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Cornell Pump Toolkit ships an update every 29 months, SG every 14 months. The most recent releases landed on September 30, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Cornell Pump Toolkit | SG |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/cornell-pump-toolkit/id982062017/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 29 months | **Every 14 months** |
| Monetization | Free | — |
| Size | 22 MB | 68 MB |
| Requires iOS | 15.1 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Cornell Pump Company](https://appshunter.io/developer/879210510) | [Netafim](https://appshunter.io/developer/591791346) |

## What reviewers say

### Cornell Pump Toolkit

[App page](https://appshunter.io/ios/app/cornell-pump-toolkit/id982062017)

This utility app helps calculate key centrifugal pump performance metrics like head, suction, and friction loss. It also suggests suitable pumps from a catalog and allows saving and sharing results. It's designed for field use on Apple devices, functioning offline.

**Highlights:** Calculate Total Dynamic Head, Calculate Net Positive Suction Head, Calculate Friction Loss, Suggest pumps from catalog, Save and share calculations, Offline functionality

**Features:** macOS Compatibility

**In-app purchases:** none


### SG

[App page](https://appshunter.io/ios/app/sg-filter/id1450812694)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Cornell Pump Toolkit free?

Cornell Pump Toolkit is free to download, with no in-app purchases.

### Is SG free?

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

### Do Cornell Pump Toolkit or SG have ads?

Neither Cornell Pump Toolkit nor SG shows ads.

### Which is updated more often, Cornell Pump Toolkit or SG?

Cornell Pump Toolkit ships an update every 29 months, and SG every 14 months. Most recently, Cornell Pump Toolkit was updated on September 30, 2026 and SG on October 10, 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.*