# Visual Trig Func vs Trigonometric Time Attack

The clearest difference is in-app purchases: Trigonometric Time Attack at none against Visual Trig Func's 1. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Visual Trig Func sells 1 one-off in-app purchase. Trigonometric Time Attack asks for nothing beyond the download.

Visual Trig Func ships an update every 5 months, Trigonometric Time Attack every 2 months. The most recent releases landed on June 1, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Visual Trig Func | Trigonometric Time Attack |
| --- | --- | --- |
| Price | Free | Free |
| 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 | Yes |
| Update frequency | Every 5 months | **Every 2 months** |
| Monetization | Free with in-app purchases | — |
| Size | 4 MB | 25 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [yukihiro fujita](https://appshunter.io/developer/537078708) | [takamitsu furuya](https://appshunter.io/developer/1599281350) |

## 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 |


### Trigonometric Time Attack

[App page](https://appshunter.io/ios/app/trigonometric-time-attack/id1599281348)

**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 Trigonometric Time Attack free?

Trigonometric Time Attack is free to download, with no in-app purchases.

### Do Visual Trig Func or Trigonometric Time Attack have ads?

Both Visual Trig Func and Trigonometric Time Attack show ads.

### Which is updated more often, Visual Trig Func or Trigonometric Time Attack?

Visual Trig Func ships an update every 5 months, and Trigonometric Time Attack every 2 months. Most recently, Visual Trig Func was updated on June 1, 2026 and Trigonometric Time Attack on September 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.*