# Trigonometric vs RadarPlot

The clearest difference is in-app purchases: Trigonometric at none against RadarPlot's 1. Trigonometric also leads on iOS requirement (8.1 vs 15.1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. RadarPlot sells 1 one-off in-app purchase. Trigonometric asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 4 months. The most recent releases landed on September 18, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Trigonometric | RadarPlot |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | Every 4 months |
| Size | 1 MB | 58 MB |
| Requires iOS | **8.1** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [hirenkumar patel](https://appshunter.io/developer/393288416) | [Paulina Praciak](https://appshunter.io/developer/1869727950) |

## What reviewers say

### Trigonometric

[App page](https://appshunter.io/ios/app/trigonometric/id536651720)

**Features:** macOS Compatibility

**In-app purchases:** none


### RadarPlot

[App page](https://appshunter.io/ios/app/radarplot-radar-plot-trainer/id6757932413)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Access | $14.99 | one-time |


## Frequently asked questions

### Is Trigonometric free?

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

### Is RadarPlot free?

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

### Do Trigonometric or RadarPlot have ads?

Neither Trigonometric nor RadarPlot shows ads.

### Which is updated more often, Trigonometric or RadarPlot?

Trigonometric ships an update every 4 months, and RadarPlot every 4 months. Most recently, Trigonometric was updated on September 18, 2026 and RadarPlot on October 5, 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.*