# Geometry Coach vs Inkulus

The clearest difference is iOS requirement: Geometry Coach at 17.6 against Inkulus's 26. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Geometry Coach sells 2 in-app purchases, starting at $6.99 per month and Inkulus sells 3 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Geometry Coach ships an update every 5 weeks, Inkulus monthly. The most recent releases landed on October 8, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Geometry Coach | Inkulus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (1 ratings)](https://appshunter.io/ios/app/inkulus/id6760616214/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Monthly** |
| Monetization | — | Free with in-app purchases |
| Size | 1 MB | 4 MB |
| Requires iOS | **17.6** | 26 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [JTM](https://appshunter.io/developer/491099581) | [Teksum Development](https://appshunter.io/developer/1689891632) |

## What reviewers say

### Geometry Coach

[App page](https://appshunter.io/ios/app/geometry-coach/id6758644361)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| The Geometry Coach Pro Monthly | $6.99 | per month |
| The Geometry Coach Pro Yearly | $39.99 | per year |


### Inkulus

[App page](https://appshunter.io/ios/app/inkulus/id6760616214)

This app makes learning calculus engaging and effective through interactive tutorials, competitive gameplay, and real-time feedback. It allows users to actively solve problems, track progress, and develop a deeper understanding of mathematical concepts.

**Highlights:** Interactive calculus tutorials, Multiple game modes, 1v1 math battles, XP progression and statistics, Drawing canvas for touch/Apple Pencil, Active learning approach

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Inkulus Pro Weekly | $2.99 | per 7 days |
| Inkulus Pro Monthly | $7.99 | per month |
| Inkulus Pro Yearly | $69.99 | per year |


## Frequently asked questions

### Is Geometry Coach free?

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

### Is Inkulus free?

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

### Do Geometry Coach or Inkulus have ads?

Neither Geometry Coach nor Inkulus shows ads.

### Which is updated more often, Geometry Coach or Inkulus?

Geometry Coach ships an update every 5 weeks, and Inkulus monthly. Most recently, Geometry Coach was updated on October 8, 2026 and Inkulus on October 3, 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.*