# ODE Solver vs Derivative

The clearest difference is update cadence: Derivative at monthly against ODE Solver's every 8 months. Derivative also leads on price ($1.99 vs $2.99). ODE Solver's advantage is iOS requirement (13.0 vs 15.1). On ads, in-app purchases and device support there is nothing between them.

ODE Solver costs $2.99 and Derivative $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ODE Solver ships an update every 8 months, Derivative monthly. The most recent releases landed on September 17, 2026 and August 16, 2026 respectively.

## The numbers

| Metric | ODE Solver | Derivative |
| --- | --- | --- |
| Price | $2.99 | **$1.99** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Monthly** |
| Size | 4 MB | 32 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [DRH YAZILIM VE MUHENDISLIK HIZMETLERI LTD STI](https://appshunter.io/developer/914295588) | [Om Prakash Chapagain](https://appshunter.io/developer/1618620262) |

## What reviewers say

### ODE Solver

[App page](https://appshunter.io/ios/app/ode-solver/id982923512)

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

**In-app purchases:** none


### Derivative

[App page](https://appshunter.io/ios/app/derivative-calculus-pro/id1618965619)

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

**In-app purchases:** none


## Frequently asked questions

### Is ODE Solver free?

ODE Solver costs $2.99, with no in-app purchases.

### Is Derivative free?

Derivative costs $1.99, with no in-app purchases.

### Do ODE Solver or Derivative have ads?

Neither ODE Solver nor Derivative shows ads.

### Which is updated more often, ODE Solver or Derivative?

ODE Solver ships an update every 8 months, and Derivative monthly. Most recently, ODE Solver was updated on September 17, 2026 and Derivative on August 16, 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.*