# EV vs Derivative Calculator Solver

The clearest difference is in-app purchases: EV at none against Derivative Calculator Solver's 1. EV also leads on iOS requirement (11.0 vs 15.6). Derivative Calculator Solver's advantage is update cadence (every 7 months vs every 52 months). 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. EV asks for nothing beyond the download.

EV ships an update every 52 months, Derivative Calculator Solver every 7 months. The most recent releases landed on October 7, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | EV | Derivative Calculator Solver |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.3 (12 ratings)](https://appshunter.io/ios/app/derivative-calculator-solver/id1593820522/reviews)** |
| Number of ratings | — | **12** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 52 months | **Every 7 months** |
| Monetization | — | Free with in-app purchases |
| Size | 10 MB | 39 MB |
| Requires iOS | **11.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Engineering Village LLC](https://appshunter.io/developer/1331377447) | [Asad Ahsan](https://appshunter.io/developer/1326954499) |

## What reviewers say

### EV

[App page](https://appshunter.io/ios/app/ev-bots/id1453507470)

**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 EV free?

EV 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.

### Do EV or Derivative Calculator Solver have ads?

Neither EV nor Derivative Calculator Solver shows ads.

### Which is updated more often, EV or Derivative Calculator Solver?

EV ships an update every 52 months, and Derivative Calculator Solver every 7 months. Most recently, EV was updated on October 7, 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.*