# Vernier Caliper Simulator vs CNC VMC Simulator

The clearest difference is price: Vernier Caliper Simulator at Free against CNC VMC Simulator's $6.99. Vernier Caliper Simulator also leads on review sentiment (75% vs 48%) and iOS requirement (8.0 vs 16.6). CNC VMC Simulator's advantage is rating (2.9 vs 1.0) and update cadence (every 3 months vs every 17 months). On ads, in-app purchases and device support there is nothing between them.

Vernier Caliper Simulator is free to download; CNC VMC Simulator costs $6.99 up front. Neither carries in-app purchases, so what you see is what you pay.

CNC VMC Simulator holds the better App Store score, 2.9 against 1.0. Both are backed by a comparable volume of ratings — 2 and 9 respectively. Written reviews complicate that: 75% of Vernier Caliper Simulator's written reviews are positive against 48% of CNC VMC Simulator's, so the app with the better star average is not the one people write more warmly about.

Vernier Caliper Simulator ships an update every 17 months, CNC VMC Simulator every 3 months. The most recent releases landed on October 5, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Vernier Caliper Simulator | CNC VMC Simulator |
| --- | --- | --- |
| Price | **Free** | $6.99 |
| Rating | [1.0 (2 ratings)](https://appshunter.io/ios/app/vernier-caliper-simulator/id560872415/reviews) | **[2.9 (9 ratings)](https://appshunter.io/ios/app/cnc-vmc-simulator/id1614666556/reviews)** |
| Number of ratings | 2 | **9** |
| Positive reviews | **75.0% of reviews** | 48.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 17 months | **Every 3 months** |
| Monetization | **Free** | Paid |
| Size | 12 MB | 43 MB |
| Requires iOS | **8.0** | 16.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Jiun Wei Chia](https://appshunter.io/developer/560872418) | [旭 陈](https://appshunter.io/developer/6780413573) |

## What reviewers say

### Vernier Caliper Simulator

[App page](https://appshunter.io/ios/app/vernier-caliper-simulator/id560872415)

Practice reading a vernier caliper with this free and easy application. Simply slide your finger to grip an object and take your measurement. Enter your guess to see if you're correct and improve your skills.

**Highlights:** Virtual vernier caliper, Interactive grip simulation, Measurement reading practice, Guess and check functionality, Skill improvement tool

**Features:** macOS Compatibility

**In-app purchases:** none


### CNC VMC Simulator

[App page](https://appshunter.io/ios/app/cnc-vmc-simulator/id1614666556)

This app simulates CNC milling machine operations, allowing users to program and visualize tool paths in 3D. It helps beginners understand G-code programming for mechanical engineering.

**Highlights:** G-code programming editor, 3D tool path visualization, Control program execution, Geometric tool parameter settings, Machined surface visualization, G-code reference guide

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

**In-app purchases:** none


## Frequently asked questions

### Is Vernier Caliper Simulator free?

Vernier Caliper Simulator is free to download, with no in-app purchases.

### Is CNC VMC Simulator free?

CNC VMC Simulator costs $6.99, with no in-app purchases.

### Which has better reviews, Vernier Caliper Simulator or CNC VMC Simulator?

CNC VMC Simulator is rated higher. Vernier Caliper Simulator averages 1.0 out of 5 from 2 ratings, while CNC VMC Simulator averages 2.9 from 9 ratings.

### Do Vernier Caliper Simulator or CNC VMC Simulator have ads?

Neither Vernier Caliper Simulator nor CNC VMC Simulator shows ads.

### Which is updated more often, Vernier Caliper Simulator or CNC VMC Simulator?

Vernier Caliper Simulator ships an update every 17 months, and CNC VMC Simulator every 3 months. Most recently, Vernier Caliper Simulator was updated on October 5, 2026 and CNC VMC Simulator on October 14, 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.*