# Pythagoras HD vs Trigonometry Portal AR

Pythagoras HD and Trigonometry Portal AR both sit at 1.0 stars, but that hides the real split: 43% of Pythagoras HD's written reviews are positive against 0% of Trigonometry Portal AR's. Pythagoras HD also leads on price ($0.99 vs $1.99). On rating, ratings volume, update cadence and ads there is nothing between them.

Pythagoras HD costs $0.99 and Trigonometry Portal AR $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 1.0 for Pythagoras HD against 1.0 for Trigonometry Portal AR. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews are what separate them: 43% of Pythagoras HD's written reviews are positive against 0% of Trigonometry Portal AR's.

Pythagoras HD ships an update every 24 months, Trigonometry Portal AR every 37 months. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | Pythagoras HD | Trigonometry Portal AR |
| --- | --- | --- |
| Price | **$0.99** | $1.99 |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/pythagoras-hd/id404432708/reviews) | [1.0 (1 ratings)](https://appshunter.io/ios/app/trigonometry-portal-ar/id1358343863/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | **42.9% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 24 months** | Every 37 months |
| Monetization | Paid | Paid |
| Size | 10 MB | 33 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPad | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Roman Koksharov](https://appshunter.io/developer/700716922) | [Ventura Educational Systems](https://appshunter.io/developer/371324172) |

## What reviewers say

### Pythagoras HD

[App page](https://appshunter.io/ios/app/pythagoras-hd/id404432708)

Explore the Pythagorean Theorem through interactive puzzles and visual proofs. This educational app offers a unique, formula-free approach to understanding geometry. It's designed to make learning engaging and accessible.

**Highlights:** Visual proofs of Pythagorean Theorem, Interactive geometric puzzles, Formula-free learning, Engaging educational experience, iPad compatibility

**Features:** macOS Compatibility

**In-app purchases:** none


### Trigonometry Portal AR

[App page](https://appshunter.io/ios/app/trigonometry-portal-ar/id1358343863)

Explore trigonometry concepts in an augmented reality environment. This app creates virtual rooms where you can interact with information about key terms and ideas from the high school curriculum. Walk around, tap on objects, and hear definitions read aloud.

**Highlights:** Augmented reality exploration, Virtual trigonometry rooms, Interactive information access, Siri-read aloud definitions, Scrollable term lists

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Pythagoras HD free?

Pythagoras HD costs $0.99, with no in-app purchases.

### Is Trigonometry Portal AR free?

Trigonometry Portal AR costs $1.99, with no in-app purchases.

### Which has better reviews, Pythagoras HD or Trigonometry Portal AR?

Pythagoras HD and Trigonometry Portal AR are both rated 1.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Pythagoras HD or Trigonometry Portal AR have ads?

Neither Pythagoras HD nor Trigonometry Portal AR shows ads.

### Which is updated more often, Pythagoras HD or Trigonometry Portal AR?

Pythagoras HD ships an update every 24 months, and Trigonometry Portal AR every 37 months. Most recently, Pythagoras HD was updated on November 1, 2026 and Trigonometry Portal AR on November 2, 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.*