# Simple Dilution Calculator vs RedoCalc

The clearest difference is update cadence: RedoCalc at every 3 days against Simple Dilution Calculator's every 6 months. Simple Dilution Calculator's advantage is device support (3 vs 1) and iOS requirement (8.0 vs 18.0). On price, ads and in-app purchases 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, RedoCalc every 3 days. The most recent releases landed on June 25, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Simple Dilution Calculator | RedoCalc |
| --- | --- | --- |
| 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 | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 6 months | **Every 3 days** |
| Monetization | Ad-supported | — |
| Size | 14 MB | 3 MB |
| Requires iOS | **8.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Yoshiaki Onishi](https://appshunter.io/developer/852893746) | [Toshiyuki Kuwabara](https://appshunter.io/developer/1649322074) |

## 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


### RedoCalc

[App page](https://appshunter.io/ios/app/redocalc/id6743318834)

**Features:** macOS Compatibility

**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 RedoCalc free?

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

### Do Simple Dilution Calculator or RedoCalc have ads?

Both Simple Dilution Calculator and RedoCalc show ads.

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

Simple Dilution Calculator ships an update every 6 months, and RedoCalc every 3 days. Most recently, Simple Dilution Calculator was updated on June 25, 2026 and RedoCalc on September 8, 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.*