# CNVRT vs Weight Unit Converter

The clearest difference is price: Weight Unit Converter at Free against CNVRT's $4.99. Weight Unit Converter also leads on rating (5.0 vs 4.5). CNVRT's advantage is in-app purchases (none vs 2) and ads (none vs shown). On device support and iOS requirement there is nothing between them.

Weight Unit Converter is free to download; CNVRT costs $4.99 up front. Weight Unit Converter sells 2 in-app purchases, starting at $4.99 per month. CNVRT asks for nothing beyond the download.

Weight Unit Converter holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: CNVRT has 19 ratings behind it against 2, so its average is the more settled of the two.

CNVRT ships an update every 2 weeks, Weight Unit Converter every 10 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | CNVRT | Weight Unit Converter |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | [4.5 (19 ratings)](https://appshunter.io/ios/app/cnvrt-si-unit-conversion-tool/id1607762263/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/weight-unit-converter-weicon/id6743514217/reviews)** |
| Number of ratings | **19** | 2 |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 weeks** | Every 10 months |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 1 MB | 28 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Pascal Andraos](https://appshunter.io/developer/1328885685) | [kota tada](https://appshunter.io/developer/1658942612) |

## What reviewers say

### CNVRT

[App page](https://appshunter.io/ios/app/cnvrt-si-unit-conversion-tool/id1607762263)

Instantly convert over 200 units across 20 measurement categories, from weight and length to temperature and data storage. This tool simplifies metric and Imperial conversions for STEM professionals and everyday users alike.

**Highlights:** Over 200 units supported, 20 measurement categories, Instant conversions, Metric and Imperial units, Optimized for Apple devices, STEM and everyday use

**Features:** Vision Pro support

**In-app purchases:** none


### Weight Unit Converter

[App page](https://appshunter.io/ios/app/weight-unit-converter-weicon/id6743514217)

Easily convert between numerous weight units including pounds, ounces, kilograms, grams, and carats. Features an intuitive interface for quick calculations and a history log to review previous conversions. Ideal for everyday tasks, professional use, and academic purposes.

**Highlights:** Multiple weight unit support, Intuitive conversion interface, Conversion history log, Supports kilograms, grams, pounds, ounces, stone, carat, and more

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ad-free for 1 month | $4.99 | per month |
| Ad-free for 1 year | $49.99 | per year |


## Frequently asked questions

### Is CNVRT free?

CNVRT costs $4.99, with no in-app purchases.

### Is Weight Unit Converter free?

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

### Which has better reviews, CNVRT or Weight Unit Converter?

Weight Unit Converter is rated higher. CNVRT averages 4.5 out of 5 from 19 ratings, while Weight Unit Converter averages 5.0 from 2 ratings.

### Do CNVRT or Weight Unit Converter have ads?

Weight Unit Converter shows ads; CNVRT does not.

### Which is updated more often, CNVRT or Weight Unit Converter?

CNVRT ships an update every 2 weeks, and Weight Unit Converter every 10 months. Most recently, CNVRT was updated on October 24, 2026 and Weight Unit Converter on October 24, 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.*