# Visual Trig Func vs Goal Arc

The clearest difference is in-app purchases: Goal Arc at none against Visual Trig Func's 1. Goal Arc also leads on ads (none vs shown) and update cadence (every 2 weeks vs every 5 months). On price, device support and iOS requirement there is nothing between them.

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

Visual Trig Func ships an update every 5 months, Goal Arc every 2 weeks. The most recent releases landed on October 4, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Visual Trig Func | Goal Arc |
| --- | --- | --- |
| 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 | **No** |
| Update frequency | Every 5 months | **Every 2 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 4 MB | 20 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [F-NET Apps](https://appshunter.io/developer/537078708) | [Kenta Ichikawa](https://appshunter.io/developer/1693134078) |

## 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, Vision Pro support

**In-app purchases (1)**

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


### Goal Arc

[App page](https://appshunter.io/ios/app/goal-arc/id6759194275)

**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 Goal Arc free?

Goal Arc is free to download, with no in-app purchases.

### Do Visual Trig Func or Goal Arc have ads?

Visual Trig Func shows ads; Goal Arc does not.

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

Visual Trig Func ships an update every 5 months, and Goal Arc every 2 weeks. Most recently, Visual Trig Func was updated on October 4, 2026 and Goal Arc on October 1, 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.*