Unit Converter Pro HD. vs Arbitrary Triangle PRO
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Unit Converter Pro HD.
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.
- 30 conversion categories
- Over 700 units of measure
- Backspace key for corrections
- Intuitive and easy to use
- Supports Dark Mode
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The most powerful unit converter in the market. Helps you make easy conversion between more than 700+ various units of measure in 30 categories. Discover a universal assistant for all of your unit conversion needs. Features: √ 30 Categories √ 700+ Units of Measure √ Backspace key √ Extremely Easy-to-Use √ Supports Dark Mode Save Your Time. Quickly & Easily! Universer Unit Converter Pro HD URL scheme is "EWUnitConverterPro://"
Arbitrary Triangle PRO
This app calculates all unknown quantities of an arbitrary triangle. It displays the formulas used and provides step-by-step solutions, supporting decimals and fractions. Calculations are saved in history and can be shared.
- Calculates all triangle quantities
- Displays formulas used
- Step-by-step solutions
- Supports decimals and fractions
- Calculation history
- Shareable solutions
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The best app to calculate all quantities of an arbitrary triangle. You must enter some quantities like two angles and one length. The algorithm searches the formulas of the missing quantities, shows them and calculates the results. The length of the decimal place can be changed. The algorithm shows when rounding or wrong values lead to an opposition. Decimals and fractions are supported. The solution is shown step by step. All calculations are stored in the history. The final solution can be shared. [ Contents ] - all important quantities for the arbitrary triangle - formulas for all important quantities of an arbitrary triangle - infographic to illustrate the topic - search bar to find the desired quantity - history function to save the input - detailed solution - positive numbers, decimals and fractions are supported - no ads! [ Usage ] - there are fields for entering values using a special keyboard - press the check mark button at the bottom right to start the calculation - if values are missing, all fields will be marked orange - if the values are wrong (e.g. negative lengths), the affected field will be highlighted red - if a value is no number, it is highlighted in red - the entries in the history can be deleted or sorted - if you select an entry in the history, it will be automatically loaded for the calculation - the whole history can be deleted by pressing a button - solutions can be shared [ Math conditions ] - each value must be greater than zero - each angle must be less than 180° - the sum of two sides must always be greater than the length of the third side
Screenshots
Verdict
The clearest difference is rating: Arbitrary Triangle PRO at 5.0 against Unit Converter Pro HD.'s 4.6. Arbitrary Triangle PRO also leads on update cadence (every 3 weeks vs every 2 months). Unit Converter Pro HD.'s advantage is ratings volume (185 vs 1) and price ($0.99 vs $2.99). On ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Unit Converter Pro HD. costs $0.99 and Arbitrary Triangle PRO $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Arbitrary Triangle PRO holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Unit Converter Pro HD. has 185 ratings behind it against 1, so its average is the more settled of the two.
Unit Converter Pro HD. ships an update every 2 months, Arbitrary Triangle PRO every 3 weeks. The most recent releases landed on September 23, 2026 and September 17, 2026 respectively.
| Parameter | Unit Converter Pro HD. | Arbitrary Triangle PRO |
|---|---|---|
| Price | $0.99 — better | $2.99 |
| Rating | 4.6 (185 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 86.7% of reviews | — |
| Number of ratings | 185 — better | 1 |
| Update frequency | Every 2 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 13 MB | 182 MB |
| Age rating | 4+ | 4+ |
| Developer | 良峰 侯 | Glindemann, Sennoun, Langer GbR |
Customer experience
Unit Converter Pro HD.
Arbitrary Triangle PRO
Bugs and requests
Unit Converter Pro HD.
Reported bugs
2 issues- Incorrect fuel consumption conversions
- Conversion values disappearing after update
Requested features
4 requests- 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
Arbitrary Triangle PRO
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Unit Converter Pro HD.
No in-app purchases
Arbitrary Triangle PRO
No in-app purchases
Questions
Is Unit Converter Pro HD. free?
Is Arbitrary Triangle PRO free?
Which has better reviews, Unit Converter Pro HD. or Arbitrary Triangle PRO?
Do Unit Converter Pro HD. or Arbitrary Triangle PRO have ads?
Which is updated more often, Unit Converter Pro HD. or Arbitrary Triangle PRO?
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