# Math Expert Pro vs Power Triange Calculator

The clearest difference is price: Power Triange Calculator at Free against Math Expert Pro's $2.99. Power Triange Calculator also leads on update cadence (every 6 days vs every 3 months) and iOS requirement (9.3 vs 12.0). On ads, in-app purchases and device support there is nothing between them.

Power Triange Calculator is free to download; Math Expert Pro costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Math Expert Pro ships an update every 3 months, Power Triange Calculator every 6 days. The most recent releases landed on September 22, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Math Expert Pro | Power Triange Calculator |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 6 days** |
| Monetization | Paid | — |
| Size | 10 MB | 24 MB |
| Requires iOS | 12.0 | **9.3** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Markus Ide](https://appshunter.io/developer/625191124) | [Octagon Seven LLC](https://appshunter.io/developer/1200115862) |

## What reviewers say

### Math Expert Pro

[App page](https://appshunter.io/ios/app/math-expert-pro/id625198358)

This app provides a comprehensive collection of math and physics formulas. It features a unique calculator that determines possible calculations based on the information you input.

**Highlights:** Extensive math and physics formula library, Interactive formula calculator, Input-driven calculation suggestions, Supports iPhone, iPad, and iPod, Offline formula access

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

**In-app purchases:** none


### Power Triange Calculator

[App page](https://appshunter.io/ios/app/power-triange-calculator/id1330408749)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Math Expert Pro free?

Math Expert Pro costs $2.99, with no in-app purchases.

### Is Power Triange Calculator free?

Power Triange Calculator is free to download, with no in-app purchases.

### Do Math Expert Pro or Power Triange Calculator have ads?

Neither Math Expert Pro nor Power Triange Calculator shows ads.

### Which is updated more often, Math Expert Pro or Power Triange Calculator?

Math Expert Pro ships an update every 3 months, and Power Triange Calculator every 6 days. Most recently, Math Expert Pro was updated on September 22, 2026 and Power Triange Calculator on September 17, 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.*