# Triangle Solver Free vs Thread Calculator

The clearest difference is rating: Thread Calculator at 4.3 against Triangle Solver Free's 3.6. Thread Calculator also leads on in-app purchases (none vs 1). Triangle Solver Free's advantage is ads (none vs shown) and ratings volume (40 vs 13). On price, review sentiment and device support there is nothing between them.

Both are free to download. Triangle Solver Free sells 1 one-off in-app purchase. Thread Calculator asks for nothing beyond the download.

Thread Calculator holds the better App Store score, 4.3 against 3.6. Both are backed by a comparable volume of ratings — 40 and 13 respectively. Written reviews point the same way: 27% of Triangle Solver Free's written reviews are positive against 33% of Thread Calculator's.

## The numbers

| Metric | Triangle Solver Free | Thread Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.6 (40 ratings)](https://appshunter.io/ios/app/triangle-solver-free-geometry-calculator/id1065325890/reviews) | **[4.3 (13 ratings)](https://appshunter.io/ios/app/thread-calculator/id1559560290/reviews)** |
| Number of ratings | **40** | 13 |
| Positive reviews | 26.7% of reviews | **33.3% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | — | Every 18 months |
| Monetization | **Free** | Ad-supported |
| Size | 25 MB | 25 MB |
| Requires iOS | **6.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [境 饶](https://appshunter.io/developer/935275144) | [GSR Gustav Stursberg GmbH](https://appshunter.io/developer/1559560292) |

## What reviewers say

### Triangle Solver Free

[App page](https://appshunter.io/ios/app/triangle-solver-free-geometry-calculator/id1065325890)

This app calculates missing values for both right and irregular triangles. Simply input two known values for a right triangle or three for an irregular one, and it will compute the remaining sides and angles.

**Highlights:** Right triangle solver, Irregular triangle solver, Calculates missing sides, Calculates missing angles

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro | $0.99 | one-time |


### Thread Calculator

[App page](https://appshunter.io/ios/app/thread-calculator/id1559560290)

This app provides a quick and easy way to calculate thread dimensions for various units, including tap hole sizes and bolt specifications. It helps metalworkers find precise measurements for internal and external threads without consulting tables.

**Highlights:** Thread cutting calculator for multiple units, Cold forming calculator, Thread repair calculator, Tap hole and bolt diameter calculation, Saves time compared to tables

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Triangle Solver Free free?

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

### Is Thread Calculator free?

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

### Which has better reviews, Triangle Solver Free or Thread Calculator?

Thread Calculator is rated higher. Triangle Solver Free averages 3.6 out of 5 from 40 ratings, while Thread Calculator averages 4.3 from 13 ratings.

### Do Triangle Solver Free or Thread Calculator have ads?

Thread Calculator shows ads; Triangle Solver Free does not.

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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.*