# phyfunk vs Calculus Solver

The clearest difference is in-app purchases: phyfunk at none against Calculus Solver's 4. phyfunk also leads on ads (none vs shown) and update cadence (fortnightly vs every 6 weeks). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Calculus Solver sells 4 in-app purchases, starting at $4.99 per 7 days. phyfunk asks for nothing beyond the download.

phyfunk ships an update fortnightly, Calculus Solver every 6 weeks. The most recent releases landed on September 19, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | phyfunk | Calculus Solver |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/calculus-solver-ai-calculator/id6759664378/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Fortnightly** | Every 6 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 22 MB | 52 MB |
| Requires iOS | 16 | **15.1** |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Stephan Engelhard](https://appshunter.io/developer/1542199587) | [Serhii Shlykov](https://appshunter.io/developer/1809794912) |

## What reviewers say

### phyfunk

[App page](https://appshunter.io/ios/app/phyfunk/id6504498083)

**Features:** Vision Pro support

**In-app purchases:** none


### Calculus Solver

[App page](https://appshunter.io/ios/app/calculus-solver-ai-calculator/id6759664378)

This app acts as a personal math tutor, offering step-by-step solutions to calculus problems. Users can snap photos or type equations, ask follow-up questions, and even create flashcards for review. It covers a wide range of calculus topics and is designed to make learning more accessible.

**Highlights:** Photo and text input for calculus problems, Step-by-step solution explanations, Interactive AI tutor for follow-up questions, Flashcard creation from solved problems, Covers derivatives, integrals, limits, and more, Tailored explanations for individual learning pace

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Calculus Solver AI Weekly | $4.99 | per 7 days |
| Calculus Solver AI Weekly | $4.99 | per 7 days |
| Calculus Solver AI Yearly | $29.99 | per year |
| Calculus Solver AI Yearly | $29.99 | per year |


## Frequently asked questions

### Is phyfunk free?

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

### Is Calculus Solver free?

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

### Do phyfunk or Calculus Solver have ads?

Calculus Solver shows ads; phyfunk does not.

### Which is updated more often, phyfunk or Calculus Solver?

phyfunk ships an update fortnightly, and Calculus Solver every 6 weeks. Most recently, phyfunk was updated on September 19, 2026 and Calculus Solver on September 20, 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.*