# Ultra Measure Master vs CNVRT

The clearest difference is price: CNVRT at $4.99 against Ultra Measure Master's $29.99. CNVRT also leads on update cadence (every 2 weeks vs every 11 months). Ultra Measure Master's advantage is review sentiment (88% vs 50%) and rating (5.0 vs 4.5). On ratings volume, ads, in-app purchases and monetization model there is nothing between them.

Ultra Measure Master costs $29.99 and CNVRT $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Ultra Measure Master holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 8 and 19 respectively. Written reviews point the same way: 88% of Ultra Measure Master's written reviews are positive against 50% of CNVRT's.

Ultra Measure Master ships an update every 11 months, CNVRT every 2 weeks. The most recent releases landed on September 14, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Ultra Measure Master | CNVRT |
| --- | --- | --- |
| Price | $29.99 | **$4.99** |
| Rating | **[5.0 (8 ratings)](https://appshunter.io/ios/app/ultra-measure-master/id376853039/reviews)** | [4.5 (19 ratings)](https://appshunter.io/ios/app/cnvrt-si-unit-conversion-tool/id1607762263/reviews) |
| Number of ratings | 8 | **19** |
| Positive reviews | **87.5% of reviews** | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 2 weeks** |
| Monetization | Paid | Paid |
| Best chart rank | **#181** | — |
| Size | 61 MB | 1 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 12+ | 4+ |
| Developer | [Calculated Industries](https://appshunter.io/developer/370406449) | [Pascal Andraos](https://appshunter.io/developer/1328885685) |

## What reviewers say

### Ultra Measure Master

[App page](https://appshunter.io/ios/app/ultra-measure-master/id376853039)

**Currently charting:** #181 Top Paid · Utilities (US App Store)

This professional conversion calculator offers over 400 standard and metric unit conversions for linear, area, and volume measurements. It's ideal for professionals needing quick and accurate calculations in various dimensional formats, including feet-inch-fractions and decimal units.

**Highlights:** Over 400 conversion combinations, 60+ standard and metric units, Converts between feet-inch-fractions, decimal feet/inches, and metric, Calculates linear, area, and volume, Includes weight, velocity, flow rate, pressure, and temperature conversions, Built-in User's Guide with key-specific help

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Ultra Measure Master free?

Ultra Measure Master costs $29.99, with no in-app purchases.

### Is CNVRT free?

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

### Which has better reviews, Ultra Measure Master or CNVRT?

Ultra Measure Master is rated higher. Ultra Measure Master averages 5.0 out of 5 from 8 ratings, while CNVRT averages 4.5 from 19 ratings.

### Do Ultra Measure Master or CNVRT have ads?

Neither Ultra Measure Master nor CNVRT shows ads.

### Which is updated more often, Ultra Measure Master or CNVRT?

Ultra Measure Master ships an update every 11 months, and CNVRT every 2 weeks. Most recently, Ultra Measure Master was updated on September 14, 2026 and CNVRT on September 28, 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.*