# Solution Dilution Calculator vs MyHeatPump3

The clearest difference is price: MyHeatPump3 at Free against Solution Dilution Calculator's $2.99. MyHeatPump3 also leads on update cadence (every 2 months vs every 22 months). Solution Dilution Calculator's advantage is iOS requirement (13 vs 15.0). On ads, in-app purchases and device support there is nothing between them.

MyHeatPump3 is free to download; Solution Dilution Calculator costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Solution Dilution Calculator ships an update every 22 months, MyHeatPump3 every 2 months. The most recent releases landed on September 10, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | Solution Dilution Calculator | MyHeatPump3 |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| 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 22 months | **Every 2 months** |
| Monetization | Paid | — |
| Size | 1 MB | 52 MB |
| Requires iOS | **13** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Nitrio](https://appshunter.io/developer/321121189) | [中山市和盛热能设备有限公司](https://appshunter.io/developer/1761123832) |

## What reviewers say

### 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


### MyHeatPump3

[App page](https://appshunter.io/ios/app/myheatpump3/id6608972110)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Solution Dilution Calculator free?

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

### Is MyHeatPump3 free?

MyHeatPump3 is free to download, with no in-app purchases.

### Do Solution Dilution Calculator or MyHeatPump3 have ads?

Neither Solution Dilution Calculator nor MyHeatPump3 shows ads.

### Which is updated more often, Solution Dilution Calculator or MyHeatPump3?

Solution Dilution Calculator ships an update every 22 months, and MyHeatPump3 every 2 months. Most recently, Solution Dilution Calculator was updated on September 10, 2026 and MyHeatPump3 on September 12, 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.*