# Trigonometry Calculator SinCos vs RigThis

The clearest difference is price: RigThis at Free against Trigonometry Calculator SinCos's $1.99. RigThis also leads on rating (5.0 vs 1.3) and update cadence (every 3 weeks vs every 2 months). Trigonometry Calculator SinCos's advantage is in-app purchases (none vs 1) and ratings volume (3 vs 1). On ads and device support there is nothing between them.

RigThis is free to download; Trigonometry Calculator SinCos costs $1.99 up front. RigThis sells 1 one-off in-app purchase. Trigonometry Calculator SinCos asks for nothing beyond the download.

RigThis holds the better App Store score, 5.0 against 1.3. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

Trigonometry Calculator SinCos ships an update every 2 months, RigThis every 3 weeks. The most recent releases landed on October 24, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Trigonometry Calculator SinCos | RigThis |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | [1.3 (3 ratings)](https://appshunter.io/ios/app/trigonometry-calculator-sincos/id6475329940/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/rigthis/id6770800479/reviews)** |
| Number of ratings | **3** | 1 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Paid | **Freemium** |
| Size | 56 MB | 2 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Kantaben Gorasiya](https://appshunter.io/developer/1640260396) | [Circux Systems LLC](https://appshunter.io/developer/1896763824) |

## What reviewers say

### Trigonometry Calculator SinCos

[App page](https://appshunter.io/ios/app/trigonometry-calculator-sincos/id6475329940)

This app calculates sides, angles, and area for right-angled triangles. It also computes various trigonometric functions and provides a comprehensive collection of trigonometric formulas and laws.

**Highlights:** Right triangle solver, Trigonometric function calculator, Formulas and laws collection, Calculate sides, angles, and area, Degrees and radians support

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

**In-app purchases:** none


### RigThis

[App page](https://appshunter.io/ios/app/rigthis/id6770800479)

This app provides essential rigging calculations for live event professionals. It includes tools for bridle calculations, truss load distribution, and unit conversion, with advanced features available through a one-time purchase.

**Highlights:** 2-leg bridle calculator with visual diagram, Truss load distribution tool, Length and weight unit converter, 3-leg bridle calculator (Pro), Save and recall calculation history (Pro), Venue specs management (Pro)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| RigThat Pro | $49.99 | one-time |


## Frequently asked questions

### Is Trigonometry Calculator SinCos free?

Trigonometry Calculator SinCos costs $1.99, with no in-app purchases.

### Is RigThis free?

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

### Which has better reviews, Trigonometry Calculator SinCos or RigThis?

RigThis is rated higher. Trigonometry Calculator SinCos averages 1.3 out of 5 from 3 ratings, while RigThis averages 5.0 from 1 ratings.

### Do Trigonometry Calculator SinCos or RigThis have ads?

Neither Trigonometry Calculator SinCos nor RigThis shows ads.

### Which is updated more often, Trigonometry Calculator SinCos or RigThis?

Trigonometry Calculator SinCos ships an update every 2 months, and RigThis every 3 weeks. Most recently, Trigonometry Calculator SinCos was updated on October 24, 2026 and RigThis on October 12, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*