# Derivative vs MathAI Problem Solver

The clearest difference is price: MathAI Problem Solver at Free against Derivative's $1.99. Derivative's advantage is in-app purchases (none vs 3) and device support (3 vs 1). On update cadence and ads there is nothing between them.

MathAI Problem Solver is free to download; Derivative costs $1.99 up front. MathAI Problem Solver sells 3 in-app purchases, starting at $5.99 per 7 days. Derivative asks for nothing beyond the download.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on October 11, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Derivative | MathAI Problem Solver |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Size | 32 MB | 17 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Om Prakash Chapagain](https://appshunter.io/developer/1618620262) | [Mesut Aygun](https://appshunter.io/developer/1749947048) |

## What reviewers say

### Derivative

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

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

**In-app purchases:** none


### MathAI Problem Solver

[App page](https://appshunter.io/ios/app/mathai-problem-solver/id6504986572)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium MathAi Weekly | $5.99 | per 7 days |
| MathAi Monthly Premium | $14.99 | per month |
| MathAi Solver | $0.99 | one-time |


## Frequently asked questions

### Is Derivative free?

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

### Is MathAI Problem Solver free?

MathAI Problem Solver is free to download, with in-app purchases available.

### Do Derivative or MathAI Problem Solver have ads?

Neither Derivative nor MathAI Problem Solver shows ads.

### Which is updated more often, Derivative or MathAI Problem Solver?

Derivative ships an update monthly, and MathAI Problem Solver monthly. Most recently, Derivative was updated on October 11, 2026 and MathAI Problem Solver on October 18, 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.*