# Solving Pythagoras PRO vs ABB RoboMasters

The clearest difference is price: ABB RoboMasters at Free against Solving Pythagoras PRO's $1.99. Solving Pythagoras PRO's advantage is chart position (#144 vs unranked). On update cadence, ads, in-app purchases and device support there is nothing between them.

ABB RoboMasters is free to download; Solving Pythagoras PRO costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Solving Pythagoras PRO ships an update every 5 weeks, ABB RoboMasters every 2 months. The most recent releases landed on October 4, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Solving Pythagoras PRO | ABB RoboMasters |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[4.2 (35 ratings)](https://appshunter.io/ios/app/solving-pythagoras-pro/id1273601215/reviews)** | — |
| Number of ratings | **35** | — |
| Positive reviews | 71.4% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 2 months |
| Monetization | Free | — |
| Best chart rank | **#144** | — |
| Size | 179 MB | 67 MB |
| Requires iOS | **15.0** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Glindemann, Sennoun, Langer GbR](https://appshunter.io/developer/1024972809) | [ABB s.r.o.](https://appshunter.io/developer/1676049961) |

## What reviewers say

### Solving Pythagoras PRO

[App page](https://appshunter.io/ios/app/solving-pythagoras-pro/id1273601215)

**Currently charting:** #144 Top Paid · Education (US App Store)

Easily calculate the sides of a right-angled triangle using the Pythagorean theorem. Input two sides to find the third, with all calculations saved in a history. Supports fractions and provides clear solution steps.

**Highlights:** Pythagorean theorem calculations, Calculate any of the three sides, Fraction input support, Calculation history, Clear solution steps, Manual history sorting and deletion

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

**In-app purchases:** none


### ABB RoboMasters

[App page](https://appshunter.io/ios/app/abb-robomasters/id6762209734)

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

**In-app purchases:** none


## Frequently asked questions

### Is Solving Pythagoras PRO free?

Solving Pythagoras PRO costs $1.99, with no in-app purchases.

### Is ABB RoboMasters free?

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

### Do Solving Pythagoras PRO or ABB RoboMasters have ads?

Neither Solving Pythagoras PRO nor ABB RoboMasters shows ads.

### Which is updated more often, Solving Pythagoras PRO or ABB RoboMasters?

Solving Pythagoras PRO ships an update every 5 weeks, and ABB RoboMasters every 2 months. Most recently, Solving Pythagoras PRO was updated on October 4, 2026 and ABB RoboMasters on October 7, 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.*