# Triangle Calculator vs HPU

The clearest difference is rating: HPU at 5.0 against Triangle Calculator's 3.7. HPU also leads on in-app purchases (none vs 2). Triangle Calculator's advantage is device support (3 vs 1) and iOS requirement (14.0 vs 18.0). On price, ratings volume and ads there is nothing between them.

Both are free to download. Triangle Calculator sells 2 in-app purchases, starting at $0.99 per month. HPU asks for nothing beyond the download.

HPU holds the better App Store score, 5.0 against 3.7. Both are backed by a comparable volume of ratings — 3 and 3 respectively.

## The numbers

| Metric | Triangle Calculator | HPU |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (3 ratings)](https://appshunter.io/ios/app/triangle-calculator-solver/id6757908425/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/hpu-9000/id6793785945/reviews)** |
| Number of ratings | 3 | 3 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | — |
| Monetization | Freemium | **Free** |
| Size | 15 MB | 2 MB |
| Requires iOS | **14.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Vaghani Keyur](https://appshunter.io/developer/1164464860) | [LOBOZ LLC](https://appshunter.io/developer/6793785947) |

## What reviewers say

### Triangle Calculator

[App page](https://appshunter.io/ios/app/triangle-calculator-solver/id6757908425)

This geometry tool simplifies trigonometry and triangle calculations. It provides quick and accurate results for various measurements, including angles, sides, area, and advanced geometric properties. Ideal for students, professionals, and anyone needing precise calculations.

**Highlights:** Triangle angle calculation, Side length and hypotenuse calculation, Area and perimeter calculation, Advanced geometry calculations, User-friendly interface, Accurate results

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $0.99 | per month |
| Yearly Premium | $2.99 | per year |


### HPU

[App page](https://appshunter.io/ios/app/hpu-9000/id6793785945)

This app provides fluid power engineers with essential formulas and calculators in a retro CRT terminal interface. It offers tools for cylinders, pumps, motors, vehicle drive sizing, fluids, and thermal calculations, with unit conversion and formula references. It works offline and requires no account.

**Highlights:** 21 live calculators for fluid power engineering, US and metric unit switching, Cylinder, pump, and motor calculations, Vehicle drive sizing worksheet, Fluid and thermal calculations, Unit converter and formula reference, Offline functionality

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Triangle Calculator free?

Triangle Calculator is free to download, with in-app purchases available.

### Is HPU free?

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

### Which has better reviews, Triangle Calculator or HPU?

HPU is rated higher. Triangle Calculator averages 3.7 out of 5 from 3 ratings, while HPU averages 5.0 from 3 ratings.

### Do Triangle Calculator or HPU have ads?

Neither Triangle Calculator nor HPU shows ads.

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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.*