# Vernier Caliper Simulator vs Derivative Calculator Solver

The clearest difference is rating: Derivative Calculator Solver at 4.3 against Vernier Caliper Simulator's 1.0. Derivative Calculator Solver also leads on update cadence (every 7 months vs every 17 months) and ratings volume (12 vs 2). Vernier Caliper Simulator's advantage is in-app purchases (none vs 1) and iOS requirement (8.0 vs 15.6). On price, ads and device support there is nothing between them.

Both are free to download. Derivative Calculator Solver sells 1 one-off in-app purchase. Vernier Caliper Simulator asks for nothing beyond the download.

Derivative Calculator Solver holds the better App Store score, 4.3 against 1.0. That said, the two scores are not equally well evidenced: Derivative Calculator Solver has 12 ratings behind it against 2, so its average is the more settled of the two.

Vernier Caliper Simulator ships an update every 17 months, Derivative Calculator Solver every 7 months. The most recent releases landed on October 5, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Vernier Caliper Simulator | Derivative Calculator Solver |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (2 ratings)](https://appshunter.io/ios/app/vernier-caliper-simulator/id560872415/reviews) | **[4.3 (12 ratings)](https://appshunter.io/ios/app/derivative-calculator-solver/id1593820522/reviews)** |
| Number of ratings | 2 | **12** |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 17 months | **Every 7 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 12 MB | 39 MB |
| Requires iOS | **8.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Jiun Wei Chia](https://appshunter.io/developer/560872418) | [Asad Ahsan](https://appshunter.io/developer/1326954499) |

## 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


### Derivative Calculator Solver

[App page](https://appshunter.io/ios/app/derivative-calculator-solver/id1593820522)

This app calculates the derivative of mathematical functions, providing step-by-step solutions and geometrical interpretations. It supports complex functions and offers an advanced keyboard for various mathematical operations. Results can be downloaded as a PDF.

**Highlights:** Derivative calculation, Step-by-step solutions, Geometrical interpretation, Advanced keyboard, PDF download, Offline functionality

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Derivative Calculator Premium | $4.99 | one-time |


## Frequently asked questions

### Is Vernier Caliper Simulator free?

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

### Is Derivative Calculator Solver free?

Derivative Calculator Solver is free to download, with in-app purchases available.

### Which has better reviews, Vernier Caliper Simulator or Derivative Calculator Solver?

Derivative Calculator Solver is rated higher. Vernier Caliper Simulator averages 1.0 out of 5 from 2 ratings, while Derivative Calculator Solver averages 4.3 from 12 ratings.

### Do Vernier Caliper Simulator or Derivative Calculator Solver have ads?

Neither Vernier Caliper Simulator nor Derivative Calculator Solver shows ads.

### Which is updated more often, Vernier Caliper Simulator or Derivative Calculator Solver?

Vernier Caliper Simulator ships an update every 17 months, and Derivative Calculator Solver every 7 months. Most recently, Vernier Caliper Simulator was updated on October 5, 2026 and Derivative Calculator Solver on October 3, 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.*