# Learn Immune System vs Geometric Concepts

The clearest difference is iOS requirement: Learn Immune System at 11.0 against Geometric Concepts's 16.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Learn Immune System costs $2.99 and Geometric Concepts $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Learn Immune System ships an update every 36 months, Geometric Concepts every 39 months. The most recent releases landed on October 15, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Learn Immune System | Geometric Concepts |
| --- | --- | --- |
| Price | $2.99 | $2.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 36 months** | Every 39 months |
| Size | 16 MB | 3 MB |
| Requires iOS | **11.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Nurten PIRLI](https://appshunter.io/developer/1495958705) | [Gomathy Shankaran](https://appshunter.io/developer/503956143) |

## What reviewers say

### Learn Immune System

[App page](https://appshunter.io/ios/app/learn-immune-system/id1502997625)

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

**In-app purchases:** none


### Geometric Concepts

[App page](https://appshunter.io/ios/app/geometric-concepts/id1671240125)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Learn Immune System free?

Learn Immune System costs $2.99, with no in-app purchases.

### Is Geometric Concepts free?

Geometric Concepts costs $2.99, with no in-app purchases.

### Do Learn Immune System or Geometric Concepts have ads?

Neither Learn Immune System nor Geometric Concepts shows ads.

### Which is updated more often, Learn Immune System or Geometric Concepts?

Learn Immune System ships an update every 36 months, and Geometric Concepts every 39 months. Most recently, Learn Immune System was updated on October 15, 2026 and Geometric Concepts on October 16, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*