# UnitConverter byNSDev vs Torque Unit Converter

The clearest difference is review sentiment: Torque Unit Converter at 100% against UnitConverter byNSDev's 20%. UnitConverter byNSDev's advantage is price (Free vs $1.99) and update cadence (every 5 months vs every 14 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

UnitConverter byNSDev is free to download; Torque Unit Converter costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UnitConverter byNSDev ships an update every 5 months, Torque Unit Converter every 14 months. The most recent releases landed on October 4, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | UnitConverter byNSDev | Torque Unit Converter |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | — | **[4.6 (12 ratings)](https://appshunter.io/ios/app/torque-unit-converter/id1434537031/reviews)** |
| Number of ratings | — | **12** |
| Positive reviews | 20.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 months** | Every 14 months |
| Monetization | **Free** | Paid |
| Size | 4 MB | 2 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [NIHON SYSTEM DEVELOPER CORPORATION](https://appshunter.io/developer/1198103734) | [Kei Suefuji](https://appshunter.io/developer/1388335881) |

## What reviewers say

### UnitConverter byNSDev

[App page](https://appshunter.io/ios/app/unitconverter-bynsdev/id1229121492)

This tool converts between 26 different types of units, displaying conversion rates and allowing you to specify decimal places. It supports a vast array of units across categories like length, mass, volume, and more.

**Highlights:** Converts 26 types of units, Displays conversion rates, Customizable decimal places, Supports numerous units in various categories, User-submitted unit requests

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

**In-app purchases:** none


### Torque Unit Converter

[App page](https://appshunter.io/ios/app/torque-unit-converter/id1434537031)

Easily convert torque values between nine different units. Input your torque value and select the desired units for instant conversion. Supports common units like N·m, kgf·m, and lbf·ft.

**Highlights:** Converts torque values, Supports 9 unit types, SI unit conversion, Weight kilogram meter conversion, Pound-foot conversion, Intuitive interface

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

**In-app purchases:** none


## Frequently asked questions

### Is UnitConverter byNSDev free?

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

### Is Torque Unit Converter free?

Torque Unit Converter costs $1.99, with no in-app purchases.

### Do UnitConverter byNSDev or Torque Unit Converter have ads?

Neither UnitConverter byNSDev nor Torque Unit Converter shows ads.

### Which is updated more often, UnitConverter byNSDev or Torque Unit Converter?

UnitConverter byNSDev ships an update every 5 months, and Torque Unit Converter every 14 months. Most recently, UnitConverter byNSDev was updated on October 4, 2026 and Torque Unit Converter on October 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.*