# Cornell Pump Toolkit vs Tank Partial Volume Calculator

The clearest difference is review sentiment: Cornell Pump Toolkit at 100% against Tank Partial Volume Calculator's 0%. Cornell Pump Toolkit also leads on price (Free vs $2.99). On update cadence, ads, in-app purchases and device support there is nothing between them.

Cornell Pump Toolkit is free to download; Tank Partial Volume Calculator costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Cornell Pump Toolkit ships an update every 29 months, Tank Partial Volume Calculator every 56 months. The most recent releases landed on September 30, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Cornell Pump Toolkit | Tank Partial Volume Calculator |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| 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** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 29 months** | Every 56 months |
| Monetization | **Free** | Paid |
| Size | 22 MB | 1 MB |
| Requires iOS | **15.1** | 16.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Cornell Pump Company](https://appshunter.io/developer/879210510) | [Imran Pinjara](https://appshunter.io/developer/1484488781) |

## 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


### Tank Partial Volume Calculator

[App page](https://appshunter.io/ios/app/tank-partial-volume-calculator/id1491608421)

Calculate the partial and full volume of horizontal and vertical tanks with various head types. This tool is designed for engineers to determine liquid volumes at any height, simplifying capacity calculations for storage tanks and pressure vessels.

**Highlights:** Horizontal and vertical tank volume calculation, Supports flat, torispherical, hemispherical, and ellipsoidal heads, Calculates full volume, Determines liquid volume at any height, Outputs in cubic meters, liters, and gallons, Input in millimeters or metric system

**Features:** macOS Compatibility, Vision Pro support

**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 Tank Partial Volume Calculator free?

Tank Partial Volume Calculator costs $2.99, with no in-app purchases.

### Do Cornell Pump Toolkit or Tank Partial Volume Calculator have ads?

Neither Cornell Pump Toolkit nor Tank Partial Volume Calculator shows ads.

### Which is updated more often, Cornell Pump Toolkit or Tank Partial Volume Calculator?

Cornell Pump Toolkit ships an update every 29 months, and Tank Partial Volume Calculator every 56 months. Most recently, Cornell Pump Toolkit was updated on September 30, 2026 and Tank Partial Volume Calculator on September 15, 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.*