# Geometry ® vs Knowledge Foundation Academy

The clearest difference is in-app purchases: Knowledge Foundation Academy at none against Geometry ®'s 1. Geometry ®'s advantage is iOS requirement (13.0 vs 15.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Geometry ® sells 1 in-app purchase, starting at $9.99 per month. Knowledge Foundation Academy asks for nothing beyond the download.

Geometry ® ships an update every 9 months, Knowledge Foundation Academy every 6 months. The most recent releases landed on November 3, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | Geometry ® | Knowledge Foundation Academy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (229 ratings)](https://appshunter.io/ios/app/geometry/id434132502/reviews)** | — |
| Number of ratings | **229** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 6 months** |
| Monetization | Free with in-app purchases | — |
| Size | 15 MB | 81 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [YourTeacher.com](https://appshunter.io/developer/340925628) | [DYNAMIC TECHNOSOFT](https://appshunter.io/developer/1607803655) |

## What reviewers say

### Geometry ®

[App page](https://appshunter.io/ios/app/geometry/id434132502)

This app offers a comprehensive geometry curriculum with video lessons, practice exercises, and assessments. It acts like a personal math tutor, allowing users to learn at their own pace or follow a structured course. Progress tracking and review tools help solidify understanding.

**Highlights:** Video instruction, Guided practice, Tests and quizzes, Diagnostic assessments, Worksheets and notes, Progress tracking, Chapter reviews

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Geometry Monthly | $9.99 | per month |

**What reviewers like**

- 📚 Wide range of educational opportunities
- 👍 Extremely helpful for students
- 💡 Tests and practice exercises provided
- 💰 Cheaper than a tutor
- ✅ Teaches everything needed

**What reviewers complain about**

- 💸 Subscription required after free trial
- 🖥️ App is just a webpage with YouTube videos
- 📺 Videos are pilfered from YouTube
- 🗣️ Monotone and creepy voice
- ⏳ Outdated app design

**Reported bugs**

- App freezes when authenticating behind a school proxy
- Self-test questions are not visible
- Search functionality is not working
- Videos are mute
- Glitchy behavior

**Requested features**

- Fix self-test question visibility
- Fix search functionality
- Add sections on matrices, transformations, and vectors
- Add trigonometry (sine, cosine, tangent) sections
- Improve app to work with proxy settings


### Knowledge Foundation Academy

[App page](https://appshunter.io/ios/app/knowledge-foundation-academy/id6477149169)

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

**In-app purchases:** none


## Frequently asked questions

### Is Geometry ® free?

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

### Is Knowledge Foundation Academy free?

Knowledge Foundation Academy is free to download, with no in-app purchases.

### Do Geometry ® or Knowledge Foundation Academy have ads?

Neither Geometry ® nor Knowledge Foundation Academy shows ads.

### Which is updated more often, Geometry ® or Knowledge Foundation Academy?

Geometry ® ships an update every 9 months, and Knowledge Foundation Academy every 6 months. Most recently, Geometry ® was updated on November 3, 2026 and Knowledge Foundation Academy on November 8, 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.*