# Math Solver Pro vs TriStack

The clearest difference is price: Math Solver Pro at $4.99 against TriStack's $5.99. On update cadence, ads, in-app purchases and device support there is nothing between them.

Math Solver Pro costs $4.99 and TriStack $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 16, 2026 and September 3, 2026 respectively.

## The numbers

| Metric | Math Solver Pro | TriStack |
| --- | --- | --- |
| Price | **$4.99** | $5.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Size | 11 MB | 36 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ALG Software Lab](https://appshunter.io/developer/1650561236) | [SimTeCon GmbH](https://appshunter.io/developer/1761797043) |

## What reviewers say

### Math Solver Pro

[App page](https://appshunter.io/ios/app/math-solver-pro/id6467880393)

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

**In-app purchases:** none


### TriStack

[App page](https://appshunter.io/ios/app/tristack/id6743567658)

**In-app purchases:** none


## Frequently asked questions

### Is Math Solver Pro free?

Math Solver Pro costs $4.99, with no in-app purchases.

### Is TriStack free?

TriStack costs $5.99, with no in-app purchases.

### Do Math Solver Pro or TriStack have ads?

Neither Math Solver Pro nor TriStack shows ads.

### Which is updated more often, Math Solver Pro or TriStack?

Math Solver Pro ships an update every 2 months, and TriStack every 2 months. Most recently, Math Solver Pro was updated on September 16, 2026 and TriStack on September 3, 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.*