# Universal Converter. vs Trigonometry Master

The clearest difference is review sentiment: Trigonometry Master at 50% against Universal Converter.'s 0%. Trigonometry Master also leads on update cadence (every 10 months vs every 24 months) and device support (4 vs 2). Universal Converter.'s advantage is rating (4.3 vs 2.5) and price ($4.99 vs $12.99). On ads, in-app purchases and monetization model there is nothing between them.

Universal Converter. costs $4.99 and Trigonometry Master $12.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Universal Converter. holds the better App Store score, 4.3 against 2.5. That said, the two scores are not equally well evidenced: Universal Converter. has 12 ratings behind it against 2, so its average is the more settled of the two. Written reviews complicate that: 0% of Universal Converter.'s written reviews are positive against 50% of Trigonometry Master's, so the app with the better star average is not the one people write more warmly about.

Universal Converter. ships an update every 24 months, Trigonometry Master every 10 months. The most recent releases landed on September 21, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Universal Converter. | Trigonometry Master |
| --- | --- | --- |
| Price | **$4.99** | $12.99 |
| Rating | **[4.3 (12 ratings)](https://appshunter.io/ios/app/universal-converter/id519552652/reviews)** | [2.5 (2 ratings)](https://appshunter.io/ios/app/trigonometry-master/id1389001905/reviews) |
| Number of ratings | **12** | 2 |
| Positive reviews | 0.0% of reviews | **50.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 24 months | **Every 10 months** |
| Monetization | Paid | Paid |
| Size | 5 MB | 12 MB |
| Requires iOS | 16.0 | **11.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [V PUGAZHENTHI](https://appshunter.io/developer/491898049) | [Intemodino Group s.r.o.](https://appshunter.io/developer/557849644) |

## What reviewers say

### Universal Converter.

[App page](https://appshunter.io/ios/app/universal-converter/id519552652)

This utility app provides a comprehensive conversion calculator for a vast array of units across 64 categories. It offers automatic calculations based on input changes and supports regional decimal separators for ease of use.

**Highlights:** 64 conversion categories, 1333 units supported, Automatic value calculation, Supports regional decimal separators, Simple and easy to use interface, Engineering and educational utility

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

**In-app purchases:** none


### Trigonometry Master

[App page](https://appshunter.io/ios/app/trigonometry-master/id1389001905)

Easily calculate unknown sides, angles, area, and perimeter of any triangle. Supports both right and oblique triangles with visual input modes and adjustable decimal places for accuracy. Includes a history tape and email sharing for recent calculations.

**Highlights:** Solves right and oblique triangles, Calculates sides, angles, area, perimeter, Draws calculated triangles, Supports degrees and radians, Visual input modes, Adjustable decimal places, History tape and email results

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Universal Converter. free?

Universal Converter. costs $4.99, with no in-app purchases.

### Is Trigonometry Master free?

Trigonometry Master costs $12.99, with no in-app purchases.

### Which has better reviews, Universal Converter. or Trigonometry Master?

Universal Converter. is rated higher. Universal Converter. averages 4.3 out of 5 from 12 ratings, while Trigonometry Master averages 2.5 from 2 ratings.

### Do Universal Converter. or Trigonometry Master have ads?

Neither Universal Converter. nor Trigonometry Master shows ads.

### Which is updated more often, Universal Converter. or Trigonometry Master?

Universal Converter. ships an update every 24 months, and Trigonometry Master every 10 months. Most recently, Universal Converter. was updated on September 21, 2026 and Trigonometry Master on October 14, 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.*