Comparison

VirtualBench vs UnitsConv

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

VirtualBench

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
Read full description

NI VirtualBench is an all-in-one instrument that works with your iPad. It integrates a mixed-signal oscilloscope, function generator, digital multimeter, and programmable DC power supply into a single device that takes up less space on your bench. Connect VirtualBench wirelessly to your iPad to interact with instruments like never before. No knobs or buttons required. SEE All Instruments Together View and interact with all instruments at once with a consolidated and consistent experience for each instrument. INTERACT with Multi-Touch Gestures Pinch horizontally or vertically to change the Time/Div or Volts/Div. Tap and drag to pan or position a waveform. SHARE Screenshots and Data in Seconds Capture screenshots or data in a .CSV file and instantly email, AirDrop, save to the camera roll, or share directly to other apps like Dropbox, Skitch, and Numbers. BUMP to Perform Actions Hands-Free Holding two probes and need an extra hand? Configure Hands-Free and simply bump your iPad to take a screenshot, start an acquisition, or enable another instrument without dropping your probes. GETTING STARTED • To use this app with a VirtualBench device, first connect your iPad to the same WiFi network as the VirtualBench device or to the WiFi network hosted by the VirtualBench device. • This app may also be used in “Demo Mode” with simulated signals. The function generator is “virtually” connected to the oscilloscope and the DC power supply is “virtually” connected to the digital multimeter. For purchasing information on the VirtualBench all-in-one instrument, visit ni.com/virtualbench. Need help? Get support at ni.com/support.

About

UnitsConv

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
Read full description

Units conversion app with conversion factors for 28 properties commonly used in multiphysics simulations and finite element analysis (FEA).

Screenshots

UnitsConv1 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard3 real differences · 6 level
VirtualBench versus UnitsConv: the parameters behind the verdict, then further details
ParameterVirtualBenchUnitsConv
PriceFreeFree
Rating5.0 (4 ratings) — better4.3 (3 ratings)
Number of ratings4 — better3
Update frequencyEvery 3 months — betterEvery 4 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPadiPhone, iPad, iPod — better
Requires iOS8.0 — better12.0
Further details — not scored
Size236 MB8 MB
Age rating4+4+
DeveloperNational Instrumentsjohn selverian

Customer experience

VirtualBench

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

UnitsConv

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

VirtualBench

No in-app purchases

None

UnitsConv

No in-app purchases

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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