# Trgnmtry vs permutation group

Trgnmtry and permutation group are too close to call on the numbers: across 4 compared parameters — ads, in-app purchases, device support and iOS requirement among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

## The numbers

| Metric | Trgnmtry | permutation group |
| --- | --- | --- |
| Price | — | **Free** |
| Rating | **[3.0 (4 ratings)](https://appshunter.io/ios/app/trgnmtry/id1146667288/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 21 months | — |
| Monetization | Free | — |
| Size | 5 MB | 6 MB |
| Requires iOS | 17.0 | **16.6** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Andrew McKnight](https://appshunter.io/developer/1888628988) | [Sungjun Kim](https://appshunter.io/developer/1602461985) |

## What reviewers say

### Trgnmtry

[App page](https://appshunter.io/ios/app/trgnmtry/id1146667288)

Explore trigonometric relationships visually by interacting with a unit circle. Customize displayed measures and angle intervals for a dynamic learning experience. Adapts beautifully to both light and dark modes.

**Highlights:** Interactive unit circle, Visualize trigonometric measures, Customizable angle intervals, Supports light and dark mode, Geometric relation display

**Features:** macOS Compatibility

**In-app purchases:** none


### permutation group

[App page](https://appshunter.io/ios/app/permutation-group/id6757737753)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Trgnmtry free?

Pricing for Trgnmtry is not currently listed on the App Store.

### Is permutation group free?

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

### Do Trgnmtry or permutation group have ads?

Neither Trgnmtry nor permutation group shows ads.

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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.*