# Pythagoras HD vs ACT Math

The clearest difference is price: ACT Math at Free against Pythagoras HD's $0.99. ACT Math also leads on rating (5.0 vs 1.0) and update cadence (every 11 months vs every 24 months). Pythagoras HD's advantage is in-app purchases (none vs 1) and iOS requirement (12.0 vs 15.0). On ratings volume and ads there is nothing between them.

ACT Math is free to download; Pythagoras HD costs $0.99 up front. ACT Math sells 1 one-off in-app purchase. Pythagoras HD asks for nothing beyond the download.

ACT Math holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Pythagoras HD ships an update every 24 months, ACT Math every 11 months. The most recent releases landed on September 25, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Pythagoras HD | ACT Math |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/pythagoras-hd/id404432708/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/act-math-geometry-lite/id585168253/reviews)** |
| Number of ratings | 1 | 1 |
| Positive reviews | 42.9% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 24 months | **Every 11 months** |
| Monetization | Paid | **Free** |
| Size | 10 MB | 25 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Roman Koksharov](https://appshunter.io/developer/700716922) | [Webrich Software Limited](https://appshunter.io/developer/290203591) |

## 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


### ACT Math

[App page](https://appshunter.io/ios/app/act-math-geometry-lite/id585168253)

Prepare for the ACT Math test with a comprehensive geometry review. This app offers over 480 practice questions, mock tests, and detailed explanations to help you master geometric concepts. Track your progress with visual meters and revise by specific topics.

**Highlights:** Over 480 practice questions, 48 revision notes, Mock tests with mixed topics, Instant feedback on answers, Detailed explanations for each question, Progress tracking with visual meters, Revision by specific geometry topics

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Question Bank | $1.99 | one-time |


## Frequently asked questions

### Is Pythagoras HD free?

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

### Is ACT Math free?

ACT Math is free to download, with in-app purchases available.

### Which has better reviews, Pythagoras HD or ACT Math?

ACT Math is rated higher. Pythagoras HD averages 1.0 out of 5 from 1 ratings, while ACT Math averages 5.0 from 1 ratings.

### Do Pythagoras HD or ACT Math have ads?

Neither Pythagoras HD nor ACT Math shows ads.

### Which is updated more often, Pythagoras HD or ACT Math?

Pythagoras HD ships an update every 24 months, and ACT Math every 11 months. Most recently, Pythagoras HD was updated on September 25, 2026 and ACT Math on September 30, 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.*