# Relatively Simple vs Visual Physics

The clearest difference is rating: Relatively Simple at 5.0 against Visual Physics's 4.3. Relatively Simple also leads on in-app purchases (none vs 14) and review sentiment (100% vs 71%). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Visual Physics sells 14 one-off in-app purchases. Relatively Simple asks for nothing beyond the download.

Relatively Simple holds the better App Store score, 5.0 against 4.3. Both are backed by a comparable volume of ratings — 7 and 8 respectively. Written reviews point the same way: 100% of Relatively Simple's written reviews are positive against 71% of Visual Physics's.

Relatively Simple ships an update monthly, Visual Physics every 5 weeks. The most recent releases landed on September 19, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Relatively Simple | Visual Physics |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (7 ratings)](https://appshunter.io/ios/app/relatively-simple/id1464624768/reviews)** | [4.3 (8 ratings)](https://appshunter.io/ios/app/visual-physics/id1618428816/reviews) |
| Number of ratings | 7 | **8** |
| Positive reviews | **100.0% of reviews** | 71.4% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 5 weeks |
| Monetization | **Free** | Free with in-app purchases |
| Size | 434 MB | 81 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ira Rothstein](https://appshunter.io/developer/1464624767) | [NLYTN LEARNING SYSTEMS PRIVATE LIMITED](https://appshunter.io/developer/1618428818) |

## What reviewers say

### Relatively Simple

[App page](https://appshunter.io/ios/app/relatively-simple/id1464624768)

This app offers an experiential explanation of Einstein's theory of Special Relativity. Designed by a Carnegie Mellon University professor, it breaks down complex concepts like spacetime and E=mc^2 for a general audience.

**Highlights:** Experiential learning approach, Explains Special Relativity, Demystifies complex physics concepts, Designed by university professor, Accessible for general audience

**Features:** macOS Compatibility

**In-app purchases:** none


### Visual Physics

[App page](https://appshunter.io/ios/app/visual-physics/id1618428816)

Master physics with animated videos and interactive problem-solving tools. This app simplifies complex concepts for students preparing for competitive exams or anyone wanting a deeper understanding of physics.

**Highlights:** 2500+ Animated Physics Videos, 4500+ Problems with Solutions, Structured Learning Path, Interactive Problem-Solving, Visual Tricks for Faster Solving, Conceptual Clarifications

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

**In-app purchases (14)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Day Full Course Trial | $0.99 | one-time |
| 3 Months - Super Offer | $1.99 | one-time |
| 1 Month - Super Sale | $3.99 | one-time |
| 1 Month | $4.99 | one-time |
| 3 Months - Super Sale | $8.99 | one-time |
| 1 Year - Mega Offer | $9.99 | one-time |
| 3 Months | $9.99 | one-time |
| 6 Months - Target 2024 | $12.99 | one-time |
| 6 Months - Super Sale | $14.99 | one-time |
| 1 Year - Super Saver | $14.99 | one-time |
| 1 Year - Target 2024 | $19.99 | one-time |
| 1 Year - English Only | $19.99 | one-time |
| 1 Year - Super Sale | $29.99 | one-time |
| 2 Years - Super Sale | $49.99 | one-time |


## Frequently asked questions

### Is Relatively Simple free?

Relatively Simple is free to download, with no in-app purchases.

### Is Visual Physics free?

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

### Which has better reviews, Relatively Simple or Visual Physics?

Relatively Simple is rated higher. Relatively Simple averages 5.0 out of 5 from 7 ratings, while Visual Physics averages 4.3 from 8 ratings.

### Do Relatively Simple or Visual Physics have ads?

Neither Relatively Simple nor Visual Physics shows ads.

### Which is updated more often, Relatively Simple or Visual Physics?

Relatively Simple ships an update monthly, and Visual Physics every 5 weeks. Most recently, Relatively Simple was updated on September 19, 2026 and Visual Physics on September 17, 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.*