# Geometry ® vs McGraw Hill Must Know

The clearest difference is review sentiment: Geometry ® at 67% against McGraw Hill Must Know's 25%. Geometry ® also leads on rating (4.6 vs 4.1) and ratings volume (229 vs 11). McGraw Hill Must Know's advantage is in-app purchases (none vs 1) and update cadence (every 4 months vs every 9 months). On price, 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. McGraw Hill Must Know asks for nothing beyond the download.

Geometry ® holds the better App Store score, 4.6 against 4.1. That said, the two scores are not equally well evidenced: Geometry ® has 229 ratings behind it against 11, so its average is the more settled of the two. Written reviews point the same way: 67% of Geometry ®'s written reviews are positive against 25% of McGraw Hill Must Know's.

Geometry ® ships an update every 9 months, McGraw Hill Must Know every 4 months. Both last shipped on October 23, 2026.

## The numbers

| Metric | Geometry ® | McGraw Hill Must Know |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (229 ratings)](https://appshunter.io/ios/app/geometry/id434132502/reviews)** | [4.1 (11 ratings)](https://appshunter.io/ios/app/mcgraw-hill-must-know/id1469168846/reviews) |
| Number of ratings | **229** | 11 |
| Positive reviews | **66.7% of reviews** | 25.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 4 months** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 15 MB | 82 MB |
| Requires iOS | 13.0 | **10.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [YourTeacher.com](https://appshunter.io/developer/340925628) | [McGraw-Hill](https://appshunter.io/developer/325792150) |

## 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


### McGraw Hill Must Know

[App page](https://appshunter.io/ios/app/mcgraw-hill-must-know/id1469168846)

Enhance your learning with digital flashcards based on the Must Know book series. Test your knowledge with over 100 cards per book, featuring both front and back content to reinforce your studies.

**Highlights:** Digital flashcards, Test knowledge, 100+ cards per book, Front and back content, Reinforce studies

**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 McGraw Hill Must Know free?

McGraw Hill Must Know is free to download, with no in-app purchases.

### Which has better reviews, Geometry ® or McGraw Hill Must Know?

Geometry ® is rated higher. Geometry ® averages 4.6 out of 5 from 229 ratings, while McGraw Hill Must Know averages 4.1 from 11 ratings.

### Do Geometry ® or McGraw Hill Must Know have ads?

Neither Geometry ® nor McGraw Hill Must Know shows ads.

### Which is updated more often, Geometry ® or McGraw Hill Must Know?

Geometry ® ships an update every 9 months, and McGraw Hill Must Know every 4 months. Most recently, Geometry ® was updated on October 23, 2026 and McGraw Hill Must Know on October 23, 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.*