# Centrifugal Pump Spec vs Solution Dilution Calculator

The clearest difference is price: Solution Dilution Calculator at $2.99 against Centrifugal Pump Spec's $5.99. On update cadence, ads, in-app purchases and device support there is nothing between them.

Centrifugal Pump Spec costs $5.99 and Solution Dilution Calculator $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Centrifugal Pump Spec ships an update every 11 months, Solution Dilution Calculator every 22 months. The most recent releases landed on May 16, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Centrifugal Pump Spec | Solution Dilution Calculator |
| --- | --- | --- |
| Price | $5.99 | **$2.99** |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/solution-dilution-calculator/id1353265965/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 11 months** | Every 22 months |
| Monetization | — | Paid |
| Size | 1 MB | 1 MB |
| Requires iOS | 14.3 | **13** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Muralidhar Shenoy](https://appshunter.io/developer/460148822) | [Nitrio](https://appshunter.io/developer/321121189) |

## What reviewers say

### Centrifugal Pump Spec

[App page](https://appshunter.io/ios/app/centrifugal-pump-spec/id482488028)

**Features:** macOS Compatibility

**In-app purchases:** none


### Solution Dilution Calculator

[App page](https://appshunter.io/ios/app/solution-dilution-calculator/id1353265965)

This utility app helps users calculate the precise volume of stock concentrate needed to create a diluted solution of a specific concentration and volume. It supports various concentration units and is designed for educational and research laboratory use.

**Highlights:** Dilution calculations, Supports mass/volume units, Supports weight/volume units, Ideal for labs and education, User-friendly interface

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

**In-app purchases:** none


## Frequently asked questions

### Is Centrifugal Pump Spec free?

Centrifugal Pump Spec costs $5.99, with no in-app purchases.

### Is Solution Dilution Calculator free?

Solution Dilution Calculator costs $2.99, with no in-app purchases.

### Do Centrifugal Pump Spec or Solution Dilution Calculator have ads?

Neither Centrifugal Pump Spec nor Solution Dilution Calculator shows ads.

### Which is updated more often, Centrifugal Pump Spec or Solution Dilution Calculator?

Centrifugal Pump Spec ships an update every 11 months, and Solution Dilution Calculator every 22 months. Most recently, Centrifugal Pump Spec was updated on May 16, 2026 and Solution Dilution Calculator on September 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.*