# Hague Screw Thread Calculator vs Trigonometry Calculator.

The clearest difference is in-app purchases: Hague Screw Thread Calculator at none against Trigonometry Calculator.'s 2. Hague Screw Thread Calculator also leads on ads (none vs shown) and review sentiment (82% vs 63%). Trigonometry Calculator.'s advantage is rating (4.3 vs 4.0) and update cadence (every 2 weeks vs every 2 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Trigonometry Calculator. sells 2 in-app purchases, starting at $2.99 per month. Hague Screw Thread Calculator asks for nothing beyond the download.

Trigonometry Calculator. holds the better App Store score, 4.3 against 4.0. Both are backed by a comparable volume of ratings — 5 and 19 respectively. Written reviews complicate that: 82% of Hague Screw Thread Calculator's written reviews are positive against 63% of Trigonometry Calculator.'s, so the app with the better star average is not the one people write more warmly about.

Hague Screw Thread Calculator ships an update every 2 months, Trigonometry Calculator. every 2 weeks. The most recent releases landed on October 16, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Hague Screw Thread Calculator | Trigonometry Calculator. |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (5 ratings)](https://appshunter.io/ios/app/hague-screw-thread-calculator/id853369162/reviews) | **[4.3 (19 ratings)](https://appshunter.io/ios/app/trigonometry-calculator/id6741517618/reviews)** |
| Number of ratings | 5 | **19** |
| Positive reviews | **82.4% of reviews** | 62.5% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 6 MB | 64 MB |
| Requires iOS | **14.4** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Hague Fasteners Ltd](https://appshunter.io/developer/853369165) | [Horitech](https://appshunter.io/developer/1794537335) |

## What reviewers say

### Hague Screw Thread Calculator

[App page](https://appshunter.io/ios/app/hague-screw-thread-calculator/id853369162)

This engineering tool provides instant access to critical dimensions for various screw thread standards, including Unified, Whitworth, and ISO Metric. It also allows for the creation and calculation of custom thread sizes and pitches, eliminating the need for physical reference books.

**Highlights:** Unified screw thread data, Whitworth screw thread data, ISO Metric screw thread data, Custom thread calculator, Critical nominal dimensions

**Features:** macOS Compatibility

**In-app purchases:** none


### Trigonometry Calculator.

[App page](https://appshunter.io/ios/app/trigonometry-calculator/id6741517618)

This app calculates key values for right-angled and scalene triangles with high precision. It offers a user-friendly interface, flexible angle units, and includes a reference guide to trigonometric formulas. A subscription unlocks calculation steps and removes ads.

**Highlights:** Right-angled & scalene triangle support, Formula reference guide, Accurate side, angle, and area calculations, High precision to 14 decimal places, Flexible angle units (degrees/radians), User-friendly interface

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $2.99 | per month |
| Annual | $24.99 | per year |


## Frequently asked questions

### Is Hague Screw Thread Calculator free?

Hague Screw Thread Calculator is free to download, with no in-app purchases.

### Is Trigonometry Calculator. free?

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

### Which has better reviews, Hague Screw Thread Calculator or Trigonometry Calculator.?

Trigonometry Calculator. is rated higher. Hague Screw Thread Calculator averages 4.0 out of 5 from 5 ratings, while Trigonometry Calculator. averages 4.3 from 19 ratings.

### Do Hague Screw Thread Calculator or Trigonometry Calculator. have ads?

Trigonometry Calculator. shows ads; Hague Screw Thread Calculator does not.

### Which is updated more often, Hague Screw Thread Calculator or Trigonometry Calculator.?

Hague Screw Thread Calculator ships an update every 2 months, and Trigonometry Calculator. every 2 weeks. Most recently, Hague Screw Thread Calculator was updated on October 16, 2026 and Trigonometry Calculator. on October 9, 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.*