# eqSolver vs Derivative

The clearest difference is ads: eqSolver at none against Derivative's shown. eqSolver also leads on iOS requirement (9.0 vs 15.1). Derivative's advantage is update cadence (monthly vs every 69 months). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

eqSolver ships an update every 69 months, Derivative monthly. The most recent releases landed on September 9, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | eqSolver | Derivative |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/eqsolver/id1090792086/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 69 months | **Monthly** |
| Monetization | Free | — |
| Size | 12 MB | 37 MB |
| Requires iOS | **9.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kurt Gramoll](https://appshunter.io/developer/782218116) | [Om Prakash Chapagain](https://appshunter.io/developer/1618620262) |

## What reviewers say

### eqSolver

[App page](https://appshunter.io/ios/app/eqsolver/id1090792086)

This app solves simultaneous linear equations quickly and efficiently. It offers a matrix-style input for decimal or exponential numbers, with an option for symmetric equations to simplify input. Ideal for math and engineering students and professionals.

**Highlights:** Solves simultaneous linear equations, Matrix-style input, Decimal and exponential number support, Symmetric equation option, Tablet and phone compatibility

**Features:** macOS Compatibility

**In-app purchases:** none


### Derivative

[App page](https://appshunter.io/ios/app/derivative-calculus/id1618969952)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is eqSolver free?

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

### Is Derivative free?

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

### Do eqSolver or Derivative have ads?

Derivative shows ads; eqSolver does not.

### Which is updated more often, eqSolver or Derivative?

eqSolver ships an update every 69 months, and Derivative monthly. Most recently, eqSolver was updated on September 9, 2026 and Derivative on September 8, 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.*