# Unit Converter vs Waste Conversion Calculator

The clearest difference is in-app purchases: Waste Conversion Calculator at none against Unit Converter's 1. Waste Conversion Calculator also leads on ads (none vs shown) and device support (3 vs 1). Unit Converter's advantage is update cadence (weekly vs monthly) and ratings volume (42 vs 1). On price, rating and review sentiment there is nothing between them.

Both are free to download. Unit Converter sells 1 one-off in-app purchase. Waste Conversion Calculator asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Unit Converter against 5.0 for Waste Conversion Calculator. That said, the two scores are not equally well evidenced: Unit Converter has 42 ratings behind it against 1, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

Unit Converter ships an update weekly, Waste Conversion Calculator monthly. The most recent releases landed on October 24, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Unit Converter | Waste Conversion Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (42 ratings)](https://appshunter.io/ios/app/unit-converter-omniconvert/id1602930764/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/waste-conversion-calculator/id6471593645/reviews)** |
| Number of ratings | **42** | 1 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Monthly |
| Monetization | Free with in-app purchases | **Free** |
| Size | 35 MB | 25 MB |
| Requires iOS | 17.0 | **14.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Jonathan Chen](https://appshunter.io/developer/1602930766) | [Keep Track Solutions Ltd.](https://appshunter.io/developer/1674525083) |

## What reviewers say

### Unit Converter

[App page](https://appshunter.io/ios/app/unit-converter-omniconvert/id1602930764)

This app provides a comprehensive suite of tools for unit and currency conversions, along with various calculators and scientific constants. It offers real-time exchange rates, works offline, and supports a wide range of categories. Enjoy a user-friendly experience with features like dark mode and no conversion limits.

**Highlights:** Unit conversions, Currency conversions, Real-time exchange rates, Offline functionality, Variety of calculators, Scientific constants, Dark mode

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OmniConvert Pro | $2.99 | one-time |


### Waste Conversion Calculator

[App page](https://appshunter.io/ios/app/waste-conversion-calculator/id6471593645)

This app helps businesses and municipalities track sustainability and comply with Zero Waste regulations. It converts the volume of various recyclable materials into pounds, providing standardized data for reporting and diversion tracking. Simplify compliance with digitized EPA conversion factors.

**Highlights:** Volume to weight conversion for 145 materials, Supports SB 1383 compliance, Uses EPA-approved conversion factors, Digitized conversion formulas, Material-specific volume units, Streamlined reporting

**In-app purchases:** none


## Frequently asked questions

### Is Unit Converter free?

Unit Converter is free to download, with in-app purchases available.

### Is Waste Conversion Calculator free?

Waste Conversion Calculator is free to download, with no in-app purchases.

### Which has better reviews, Unit Converter or Waste Conversion Calculator?

Waste Conversion Calculator is rated higher. Unit Converter averages 5.0 out of 5 from 42 ratings, while Waste Conversion Calculator averages 5.0 from 1 ratings.

### Do Unit Converter or Waste Conversion Calculator have ads?

Unit Converter shows ads; Waste Conversion Calculator does not.

### Which is updated more often, Unit Converter or Waste Conversion Calculator?

Unit Converter ships an update weekly, and Waste Conversion Calculator monthly. Most recently, Unit Converter was updated on October 24, 2026 and Waste Conversion Calculator on October 11, 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.*