# Visual Trig Func vs Mathematical Playground

The clearest difference is price: Visual Trig Func at Free against Mathematical Playground's $1.99. Visual Trig Func also leads on review sentiment (61% vs 22%) and iOS requirement (14.0 vs 17.6). Mathematical Playground's advantage is in-app purchases (none vs 1) and ads (none vs shown). On update cadence and device support there is nothing between them.

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

Visual Trig Func ships an update every 5 months, Mathematical Playground every 2 months. The most recent releases landed on June 1, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Visual Trig Func | Mathematical Playground |
| --- | --- | --- |
| 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** | 22.2% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | **Every 2 months** |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 4 MB | 96 MB |
| Requires iOS | **14.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [yukihiro fujita](https://appshunter.io/developer/537078708) | [Jun Nakashima](https://appshunter.io/developer/1130820204) |

## 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 |


### Mathematical Playground

[App page](https://appshunter.io/ios/app/mathematical-playground/id1180400849)

An educational tool for learning and teaching about 3D mathematical shapes. It offers features like measuring dimensions, cutting shapes, and coloring, making complex geometry accessible for students and educators.

**Highlights:** Measure length, area, distance, angles, and volume, Cut shapes along a specified plane, Expand shapes face by face, Color and highlight shapes, Handwriting and screenshot tools, Share shape data wirelessly

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

**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 Mathematical Playground free?

Mathematical Playground costs $1.99, with no in-app purchases.

### Do Visual Trig Func or Mathematical Playground have ads?

Visual Trig Func shows ads; Mathematical Playground does not.

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

Visual Trig Func ships an update every 5 months, and Mathematical Playground every 2 months. Most recently, Visual Trig Func was updated on June 1, 2026 and Mathematical Playground on September 8, 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.*