# Unit Converter Pro HD. vs Solve Right Triangle Pro

The clearest difference is review sentiment: Unit Converter Pro HD. at 87% against Solve Right Triangle Pro's 0%. Unit Converter Pro HD. also leads on rating (4.6 vs 3.7) and ratings volume (187 vs 3). Solve Right Triangle Pro's advantage is update cadence (monthly vs every 2 months). On ads, in-app purchases, monetization model and device support there is nothing between them.

Unit Converter Pro HD. costs $0.99 and Solve Right Triangle Pro $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Unit Converter Pro HD. holds the better App Store score, 4.6 against 3.7. That said, the two scores are not equally well evidenced: Unit Converter Pro HD. has 187 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 87% of Unit Converter Pro HD.'s written reviews are positive against 0% of Solve Right Triangle Pro's.

Unit Converter Pro HD. ships an update every 2 months, Solve Right Triangle Pro monthly. The most recent releases landed on September 26, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Unit Converter Pro HD. | Solve Right Triangle Pro |
| --- | --- | --- |
| Price | **$0.99** | $2.99 |
| Rating | **[4.6 (187 ratings)](https://appshunter.io/ios/app/unit-converter-pro-hd/id458584668/reviews)** | [3.7 (3 ratings)](https://appshunter.io/ios/app/solve-right-triangle-pro/id1567415905/reviews) |
| Number of ratings | **187** | 3 |
| Positive reviews | **86.7% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Free | Free |
| Size | 13 MB | 179 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [良峰 侯](https://appshunter.io/developer/654444245) | [Glindemann, Sennoun, Langer GbR](https://appshunter.io/developer/1024972809) |

## What reviewers say

### Unit Converter Pro HD.

[App page](https://appshunter.io/ios/app/unit-converter-pro-hd/id458584668)

Easily convert between over 700 units of measure across 30 categories. This powerful tool acts as a universal assistant for all your conversion needs, saving you time and effort.

**Highlights:** 30 conversion categories, Over 700 units of measure, Backspace key for corrections, Intuitive and easy to use, Supports Dark Mode

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Fast and efficient
- 👍 Easy to use
- 👍 Comprehensive unit conversions
- 👍 Accurate calculations
- 👍 Handy and useful

**What reviewers complain about**

- 🐛 Missing some important units
- 🔍 Difficult to navigate and find desired units
- 🔍 Cluttered interface with too many options
- 🔋 High battery consumption

**Reported bugs**

- Incorrect fuel consumption conversions
- Conversion values disappearing after update

**Requested features**

- Add support for more units (e.g. knots, stone, electron volts)
- Improve navigation and make it easier to find desired units
- Add portrait mode support
- Optimize interface for better usability


### Solve Right Triangle Pro

[App page](https://appshunter.io/ios/app/solve-right-triangle-pro/id1567415905)

This app calculates all unknown quantities of a right triangle by inputting known values. It displays formulas, provides step-by-step solutions, and supports decimal and fraction inputs. Users can adjust decimal precision and view calculation history.

**Highlights:** Calculates all right triangle quantities, Displays relevant formulas, Step-by-step solutions, Supports decimals and fractions, Adjustable decimal precision, Calculation history, Shareable solutions

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

**In-app purchases:** none


## Frequently asked questions

### Is Unit Converter Pro HD. free?

Unit Converter Pro HD. costs $0.99, with no in-app purchases.

### Is Solve Right Triangle Pro free?

Solve Right Triangle Pro costs $2.99, with no in-app purchases.

### Which has better reviews, Unit Converter Pro HD. or Solve Right Triangle Pro?

Unit Converter Pro HD. is rated higher. Unit Converter Pro HD. averages 4.6 out of 5 from 187 ratings, while Solve Right Triangle Pro averages 3.7 from 3 ratings.

### Do Unit Converter Pro HD. or Solve Right Triangle Pro have ads?

Neither Unit Converter Pro HD. nor Solve Right Triangle Pro shows ads.

### Which is updated more often, Unit Converter Pro HD. or Solve Right Triangle Pro?

Unit Converter Pro HD. ships an update every 2 months, and Solve Right Triangle Pro monthly. Most recently, Unit Converter Pro HD. was updated on September 26, 2026 and Solve Right Triangle Pro on September 17, 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.*