# Physics Master vs McGraw Hill Must Know

The clearest difference is rating: McGraw Hill Must Know at 4.1 against Physics Master's 2.0. McGraw Hill Must Know also leads on in-app purchases (none vs 11) and ads (none vs shown). Physics Master's advantage is review sentiment (50% vs 25%) and update cadence (every 6 weeks vs every 4 months). On price and device support there is nothing between them.

Both are free to download. Physics Master sells 11 in-app purchases, starting at $0.99 per month. McGraw Hill Must Know asks for nothing beyond the download.

McGraw Hill Must Know holds the better App Store score, 4.1 against 2.0. That said, the two scores are not equally well evidenced: McGraw Hill Must Know has 11 ratings behind it against 1, so its average is the more settled of the two. Written reviews complicate that: 50% of Physics Master's written reviews are positive against 25% of McGraw Hill Must Know's, so the app with the better star average is not the one people write more warmly about.

Physics Master ships an update every 6 weeks, McGraw Hill Must Know every 4 months. The most recent releases landed on October 24, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | Physics Master | McGraw Hill Must Know |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.0 (1 ratings)](https://appshunter.io/ios/app/physics-master/id1457499638/reviews) | **[4.1 (11 ratings)](https://appshunter.io/ios/app/mcgraw-hill-must-know/id1469168846/reviews)** |
| Number of ratings | 1 | **11** |
| Positive reviews | **50.0% of reviews** | 25.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 6 weeks** | Every 4 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 86 MB | 82 MB |
| Requires iOS | 17.6 | **10.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Optimization Lab LLC](https://appshunter.io/developer/1082932084) | [McGraw-Hill](https://appshunter.io/developer/325792150) |

## What reviewers say

### Physics Master

[App page](https://appshunter.io/ios/app/physics-master/id1457499638)

This app aids high school and undergraduate students in learning physics. It offers key concepts, formulas, practice questions with solutions, tutorial videos, and simulations to enhance understanding and problem-solving skills.

**Highlights:** Key physics concepts and formulas, Practice and challenge question solutions, Tutorial videos, Quiz questions with feedback, Physical process simulations, Progress tracking

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Level Monthly | $0.99 | per month |
| Pro Plus Level Monthly | $1.99 | per month |
| Pro Level Yearly | $7.99 | per year |
| Super Plus Monthly | $9.99 | per month |
| 100 Reward Points | $0.99 | one-time |
| 200 + Bonus 10 Reward Points | $1.99 | one-time |
| 300 + Bonus 20 Reward Points | $2.99 | one-time |
| 400 + Bonus 30 Reward Points | $3.99 | one-time |
| 500 + Bonus 40 Reward Points | $4.99 | one-time |
| 600 + Bonus 50 Reward Points | $5.99 | one-time |
| 1000 + Bonus 100 Reward Points | $9.99 | one-time |


### 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 Physics Master free?

Physics Master 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, Physics Master or McGraw Hill Must Know?

McGraw Hill Must Know is rated higher. Physics Master averages 2.0 out of 5 from 1 ratings, while McGraw Hill Must Know averages 4.1 from 11 ratings.

### Do Physics Master or McGraw Hill Must Know have ads?

Physics Master shows ads; McGraw Hill Must Know does not.

### Which is updated more often, Physics Master or McGraw Hill Must Know?

Physics Master ships an update every 6 weeks, and McGraw Hill Must Know every 4 months. Most recently, Physics Master was updated on October 24, 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.*