# Simple Dilution Calculator vs UnitConverter byNSDev

The clearest difference is ads: UnitConverter byNSDev at none against Simple Dilution Calculator's shown. UnitConverter byNSDev also leads on monetization model (free vs ad-supported). Simple Dilution Calculator's advantage is review sentiment (50% vs 20%) and iOS requirement (8.0 vs 15.6). On price, update cadence, 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.

Simple Dilution Calculator ships an update every 6 months, UnitConverter byNSDev every 5 months. The most recent releases landed on June 25, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Simple Dilution Calculator | UnitConverter byNSDev |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/simple-dilution-calculator/id1210753742/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | **50.0% of reviews** | 20.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 6 months | **Every 5 months** |
| Monetization | Ad-supported | **Free** |
| Size | 14 MB | 4 MB |
| Requires iOS | **8.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Yoshiaki Onishi](https://appshunter.io/developer/852893746) | [NIHON SYSTEM DEVELOPER CORPORATION](https://appshunter.io/developer/1198103734) |

## What reviewers say

### Simple Dilution Calculator

[App page](https://appshunter.io/ios/app/simple-dilution-calculator/id1210753742)

Easily calculate liquid dilutions for various purposes, such as mixing pesticides, herbicides, or juices. The tool supports calculations by factor or ratio and offers support for milliliters and liters.

**Highlights:** Liquid dilution calculations, Calculate by factor, Calculate by ratio, Supports mL and L units, Pesticide and herbicide mixing

**Features:** macOS Compatibility

**In-app purchases:** none


### UnitConverter byNSDev

[App page](https://appshunter.io/ios/app/unitconverter-bynsdev/id1229121492)

This tool converts between 26 different types of units, displaying conversion rates and allowing you to specify decimal places. It supports a vast array of units across categories like length, mass, volume, and more.

**Highlights:** Converts 26 types of units, Displays conversion rates, Customizable decimal places, Supports numerous units in various categories, User-submitted unit requests

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

**In-app purchases:** none


## Frequently asked questions

### Is Simple Dilution Calculator free?

Simple Dilution Calculator is free to download, with no in-app purchases.

### Is UnitConverter byNSDev free?

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

### Do Simple Dilution Calculator or UnitConverter byNSDev have ads?

Simple Dilution Calculator shows ads; UnitConverter byNSDev does not.

### Which is updated more often, Simple Dilution Calculator or UnitConverter byNSDev?

Simple Dilution Calculator ships an update every 6 months, and UnitConverter byNSDev every 5 months. Most recently, Simple Dilution Calculator was updated on June 25, 2026 and UnitConverter byNSDev on September 17, 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.*