# Vernier Caliper Simulator 2 vs CNC VMC Simulator

The clearest difference is price: Vernier Caliper Simulator 2 at Free against CNC VMC Simulator's $6.99. Vernier Caliper Simulator 2 also leads on iOS requirement (10.2 vs 16.6). CNC VMC Simulator's advantage is rating (2.9 vs 2.5) and update cadence (every 3 months vs every 10 months). On review sentiment, ads, in-app purchases and device support there is nothing between them.

Vernier Caliper Simulator 2 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 2.5. Both are backed by a comparable volume of ratings — 2 and 9 respectively. Written reviews complicate that: 50% of Vernier Caliper Simulator 2'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 2 ships an update every 10 months, CNC VMC Simulator every 3 months. The most recent releases landed on October 21, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Vernier Caliper Simulator 2 | CNC VMC Simulator |
| --- | --- | --- |
| Price | **Free** | $6.99 |
| Rating | [2.5 (2 ratings)](https://appshunter.io/ios/app/vernier-caliper-simulator-2/id1202620072/reviews) | **[2.9 (9 ratings)](https://appshunter.io/ios/app/cnc-vmc-simulator/id1614666556/reviews)** |
| Number of ratings | 2 | **9** |
| Positive reviews | **50.0% of reviews** | 48.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 3 months** |
| Monetization | **Free** | Paid |
| Size | 18 MB | 43 MB |
| Requires iOS | **10.2** | 16.6 |
| Devices | **iPhone, iPad, 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 2

[App page](https://appshunter.io/ios/app/vernier-caliper-simulator-2/id1202620072)

Practice reading a vernier caliper with this free and easy application. Slide your finger to grip objects, enter your measurement guess, and check your accuracy. This version includes leaderboards and a higher precision scale option.

**Highlights:** Vernier caliper simulation, Interactive object gripping, Answer checking, Leaderboards, 0.005 cm precision scale option

**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 2 free?

Vernier Caliper Simulator 2 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 2 or CNC VMC Simulator?

CNC VMC Simulator is rated higher. Vernier Caliper Simulator 2 averages 2.5 out of 5 from 2 ratings, while CNC VMC Simulator averages 2.9 from 9 ratings.

### Do Vernier Caliper Simulator 2 or CNC VMC Simulator have ads?

Neither Vernier Caliper Simulator 2 nor CNC VMC Simulator shows ads.

### Which is updated more often, Vernier Caliper Simulator 2 or CNC VMC Simulator?

Vernier Caliper Simulator 2 ships an update every 10 months, and CNC VMC Simulator every 3 months. Most recently, Vernier Caliper Simulator 2 was updated on October 21, 2026 and CNC VMC Simulator on October 18, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*