# Visual Trig Func vs gDraw

The clearest difference is price: Visual Trig Func at Free against gDraw's $1.99. gDraw's advantage is in-app purchases (none vs 1) and ads (none vs shown). On device support there is nothing between them.

Visual Trig Func is free to download; gDraw costs $1.99 up front. Visual Trig Func sells 1 one-off in-app purchase. gDraw asks for nothing beyond the download.

Visual Trig Func ships an update every 5 months, gDraw every 2 months. The most recent releases landed on June 1, 2026 and May 19, 2026 respectively.

## The numbers

| Metric | Visual Trig Func | gDraw |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | **[1.0 (2 ratings)](https://appshunter.io/ios/app/visual-trig-func/id645214237/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 61.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | **Every 2 months** |
| Monetization | Free with in-app purchases | — |
| Size | 4 MB | 7 MB |
| Requires iOS | 14.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [yukihiro fujita](https://appshunter.io/developer/537078708) | [Jirou Fukuda](https://appshunter.io/developer/689603483) |

## What reviewers say

### Visual Trig Func

[App page](https://appshunter.io/ios/app/visual-trig-func/id645214237)

This app visually demonstrates trigonometric functions, making them easier to understand and calculate. It offers interactive tools for exploring values, viewing wave graphs, and accessing lists of trigonometric ratios. Ideal for students and educators seeking a clearer grasp of trigonometry.

**Highlights:** Visual trigonometric functions, Interactive radius and angle manipulation, Comprehensive lists of trig ratios, Wave graph visualizations, Adjustable values via text fields, Tap-to-check degree and value functionality

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Add Calculation 360!   (You can calc trig functions for over 90 degrees.) | $0.99 | one-time |


### gDraw

[App page](https://appshunter.io/ios/app/gdraw/id689603480)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Visual Trig Func free?

Visual Trig Func is free to download, with in-app purchases available.

### Is gDraw free?

gDraw costs $1.99, with no in-app purchases.

### Do Visual Trig Func or gDraw have ads?

Visual Trig Func shows ads; gDraw does not.

### Which is updated more often, Visual Trig Func or gDraw?

Visual Trig Func ships an update every 5 months, and gDraw every 2 months. Most recently, Visual Trig Func was updated on June 1, 2026 and gDraw on May 19, 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.*