# Trgnmtry vs Graph³

The clearest difference is in-app purchases: Trgnmtry at none against Graph³'s 1. Graph³'s advantage is update cadence (every 3 weeks vs every 21 months) and iOS requirement (9.0 vs 17.0). On ads and device support there is nothing between them.

Trgnmtry ships an update every 21 months, Graph³ every 3 weeks. The most recent releases landed on October 2, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Trgnmtry | Graph³ |
| --- | --- | --- |
| Price | — | **$0.99** |
| 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** | Yes |
| Ads | No | No |
| Update frequency | Every 21 months | **Every 3 weeks** |
| Monetization | **Free** | Paid |
| Size | 5 MB | 10 MB |
| Requires iOS | 17.0 | **9.0** |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Andrew McKnight](https://appshunter.io/developer/1888628988) | [Norbert Grieger](https://appshunter.io/developer/1437060665) |

## 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


### Graph³

[App page](https://appshunter.io/ios/app/graph/id1437807952)

Visualize mathematical functions in 2D and 3D with over 24 built-in functions. Automatically detect special points, customize settings for each function, and save your work. Ideal for students and math enthusiasts.

**Highlights:** 2D and 3D function display, Over 24 mathematical functions, Automatic detection of special points, Customizable function settings, Save and load scenes, Value table for function analysis

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 3D Graph | $0.99 | one-time |


## Frequently asked questions

### Is Trgnmtry free?

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

### Is Graph³ free?

Graph³ costs $0.99, and also offers in-app purchases.

### Do Trgnmtry or Graph³ have ads?

Neither Trgnmtry nor Graph³ shows ads.

### Which is updated more often, Trgnmtry or Graph³?

Trgnmtry ships an update every 21 months, and Graph³ every 3 weeks. Most recently, Trgnmtry was updated on October 2, 2026 and Graph³ on October 4, 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.*