# Derivative Calculator Solver vs UP DL4U

The clearest difference is in-app purchases: UP DL4U at none against Derivative Calculator Solver's 1. UP DL4U also leads on iOS requirement (11.0 vs 15.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Derivative Calculator Solver sells 1 one-off in-app purchase. UP DL4U asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 7 months. The most recent releases landed on September 22, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Derivative Calculator Solver | UP DL4U |
| --- | --- | --- |
| 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 7 months |
| Monetization | Free with in-app purchases | — |
| Size | 39 MB | 76 MB |
| Requires iOS | 15.6 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Asad Ahsan](https://appshunter.io/developer/1326954499) | [Centros Culturales de Mexico AC.](https://appshunter.io/developer/456331250) |

## 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 |


### UP DL4U

[App page](https://appshunter.io/ios/app/up-dl4u/id1661727440)

**Features:** macOS Compatibility

**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 UP DL4U free?

UP DL4U is free to download, with no in-app purchases.

### Do Derivative Calculator Solver or UP DL4U have ads?

Neither Derivative Calculator Solver nor UP DL4U shows ads.

### Which is updated more often, Derivative Calculator Solver or UP DL4U?

Derivative Calculator Solver ships an update every 7 months, and UP DL4U every 7 months. Most recently, Derivative Calculator Solver was updated on September 22, 2026 and UP DL4U on September 15, 2026.

---

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