# Derivative Calculator Solver vs Eserp

The clearest difference is in-app purchases: Eserp at none against Derivative Calculator Solver's 1. Eserp also leads on update cadence (every 3 weeks vs every 7 months). On price, ads, device support and iOS requirement there is nothing between them.

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

Derivative Calculator Solver ships an update every 7 months, Eserp every 3 weeks. The most recent releases landed on September 22, 2026 and August 12, 2026 respectively.

## The numbers

| Metric | Derivative Calculator Solver | Eserp |
| --- | --- | --- |
| 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 | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 39 MB | 76 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Asad Ahsan](https://appshunter.io/developer/1326954499) | [SEDUNI TORCAR SL](https://appshunter.io/developer/1450163694) |

## What reviewers say

### 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 |


### Eserp

[App page](https://appshunter.io/ios/app/eserp/id6738270959)

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

**In-app purchases:** none


## Frequently asked questions

### Is Derivative Calculator Solver free?

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

### Is Eserp free?

Eserp is free to download, with no in-app purchases.

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

Neither Derivative Calculator Solver nor Eserp shows ads.

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

Derivative Calculator Solver ships an update every 7 months, and Eserp every 3 weeks. Most recently, Derivative Calculator Solver was updated on September 22, 2026 and Eserp on August 12, 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.*