# Conversion Calculator Units vs Dilution Calculator

The clearest difference is ratings volume: Conversion Calculator Units at 5K against Dilution Calculator's 160. Conversion Calculator Units also leads on review sentiment (82% vs 67%). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. Conversion Calculator Units sells 1 one-off in-app purchase and Dilution Calculator sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.7 for Conversion Calculator Units against 4.7 for Dilution Calculator. That said, the two scores are not equally well evidenced: Conversion Calculator Units has 5K ratings behind it against 160, so its average is the more settled of the two. Written reviews are what separate them: 82% of Conversion Calculator Units's written reviews are positive against 67% of Dilution Calculator's.

Conversion Calculator Units ships an update every 2 months, Dilution Calculator every 6 weeks. The most recent releases landed on November 13, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Conversion Calculator Units | Dilution Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (5K ratings)](https://appshunter.io/ios/app/conversion-calculator-units/id727632233/reviews)** | [4.7 (160 ratings)](https://appshunter.io/ios/app/dilution-calculator/id1511339044/reviews) |
| Number of ratings | **5K** | 160 |
| Positive reviews | **82.1% of reviews** | 66.7% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 41 MB | 10 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [RV AppStudios LLC](https://appshunter.io/developer/340181308) | [Samuel Blackburn](https://appshunter.io/developer/1601418735) |

## What reviewers say

### Conversion Calculator Units

[App page](https://appshunter.io/ios/app/conversion-calculator-units/id727632233)

This app offers a simple and powerful way to convert between over 140 units across 12 categories. Easily switch between units, customize your experience with themes, and share your results.

**Highlights:** Converts over 140 units, Supports 12 conversion categories, Customizable themes, Drag and set unit positions, Add units to favorites, Share converted units via email

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |

**What reviewers like**

- 👍 User-friendly
- 🚀 Easy to use
- 💡 Helpful for learning metric system
- 👍 Great for conversions
- 👍 Intuitive interface

**What reviewers complain about**

- 🐛 Ads disrupt usage
- 🐛 Difficult to change units
- 🐛 Lacks portrait mode
- 🐛 Upside-down orientation issues
- 🐛 Cluttered UI design

**Reported bugs**

- Ads not removed after purchase
- Incorrect unit conversions

**Requested features**

- Add pressure conversion units
- Include a basic calculator function
- Implement multi-language support
- Allow customization of unit order


### Dilution Calculator

[App page](https://appshunter.io/ios/app/dilution-calculator/id1511339044)

This utility app simplifies the process of calculating dilution ratios for various applications. Users can input their desired ratio and bottle size to get instant, accurate results for the amounts of water and solution needed. It's ideal for tasks like car detailing, valeting, and paint mixing.

**Highlights:** Calculate dilution ratios, Enter ratio and bottle size, Instant accurate results, Supports litres and millilitres, Useful for car detailing, Useful for paint purposes

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buy me a coffee | $1.99 | one-time |
| Remove Ads | $3.99 | one-time |


## Frequently asked questions

### Is Conversion Calculator Units free?

Conversion Calculator Units is free to download, with in-app purchases available.

### Is Dilution Calculator free?

Dilution Calculator is free to download, with in-app purchases available.

### Which has better reviews, Conversion Calculator Units or Dilution Calculator?

Conversion Calculator Units is rated higher. Conversion Calculator Units averages 4.7 out of 5 from 5K ratings, while Dilution Calculator averages 4.7 from 160 ratings.

### Do Conversion Calculator Units or Dilution Calculator have ads?

Both Conversion Calculator Units and Dilution Calculator show ads.

### Which is updated more often, Conversion Calculator Units or Dilution Calculator?

Conversion Calculator Units ships an update every 2 months, and Dilution Calculator every 6 weeks. Most recently, Conversion Calculator Units was updated on November 13, 2026 and Dilution Calculator on November 7, 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.*