# VirtualBench vs UnitsConv

The clearest difference is rating: VirtualBench at 5.0 against UnitsConv's 4.3. VirtualBench also leads on iOS requirement (8.0 vs 12.0). UnitsConv's advantage is device support (3 vs 1). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

VirtualBench holds the better App Store score, 5.0 against 4.3. Both are backed by a comparable volume of ratings — 4 and 3 respectively.

VirtualBench ships an update every 3 months, UnitsConv every 4 months. The most recent releases landed on October 2, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | VirtualBench | UnitsConv |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/virtualbench/id896797834/reviews)** | [4.3 (3 ratings)](https://appshunter.io/ios/app/unitsconv/id1291109803/reviews) |
| Number of ratings | **4** | 3 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 4 months |
| Monetization | Free | Free |
| Size | 236 MB | 8 MB |
| Requires iOS | **8.0** | 12.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [National Instruments](https://appshunter.io/developer/432100099) | [john selverian](https://appshunter.io/developer/1291109802) |

## What reviewers say

### VirtualBench

[App page](https://appshunter.io/ios/app/virtualbench/id896797834)

This app transforms your iPad into a versatile all-in-one instrument, combining an oscilloscope, function generator, digital multimeter, and power supply. Interact with instruments using multi-touch gestures and share data instantly. It offers hands-free operation for common tasks.

**Highlights:** All instruments viewable together, Multi-touch gesture control, Screenshot and data sharing, Hands-free operation via iPad bump, Demo mode with simulated signals

**Features:** macOS Compatibility

**In-app purchases:** none


### UnitsConv

[App page](https://appshunter.io/ios/app/unitsconv/id1291109803)

This app provides conversion factors for 28 common properties used in multiphysics simulations and finite element analysis. It's a free tool designed for engineers and researchers working with complex physical models.

**Highlights:** 28 conversion properties, Multiphysics simulation support, Finite element analysis (FEA) focus, Free to use, Supports iPhone, iPad, and iPod

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is VirtualBench free?

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

### Is UnitsConv free?

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

### Which has better reviews, VirtualBench or UnitsConv?

VirtualBench is rated higher. VirtualBench averages 5.0 out of 5 from 4 ratings, while UnitsConv averages 4.3 from 3 ratings.

### Do VirtualBench or UnitsConv have ads?

Neither VirtualBench nor UnitsConv shows ads.

### Which is updated more often, VirtualBench or UnitsConv?

VirtualBench ships an update every 3 months, and UnitsConv every 4 months. Most recently, VirtualBench was updated on October 2, 2026 and UnitsConv 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.*