# Physics Master Homework Tutor vs UDI APP

The clearest difference is in-app purchases: UDI APP at none against Physics Master Homework Tutor's 13. UDI APP also leads on ads (none vs shown) and iOS requirement (13.0 vs 15.5). Physics Master Homework Tutor's advantage is update cadence (every 4 weeks vs every 11 months). On price and device support there is nothing between them.

Both are free to download. Physics Master Homework Tutor sells 13 in-app purchases, starting at $3.49 per month. UDI APP asks for nothing beyond the download.

Physics Master Homework Tutor ships an update every 4 weeks, UDI APP every 11 months. The most recent releases landed on September 21, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Physics Master Homework Tutor | UDI APP |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (136 ratings)](https://appshunter.io/ios/app/physics-master-homework-tutor/id1453430489/reviews)** | — |
| Number of ratings | **136** | — |
| Positive reviews | 68.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 4 weeks** | Every 11 months |
| Monetization | Free with in-app purchases | — |
| Size | 117 MB | 26 MB |
| Requires iOS | 15.5 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Carlo Terracciano](https://appshunter.io/developer/1159639539) | [Freddy Encinas Cuellar](https://appshunter.io/developer/1170589849) |

## What reviewers say

### Physics Master Homework Tutor

[App page](https://appshunter.io/ios/app/physics-master-homework-tutor/id1453430489)

This app offers instant, step-by-step AI-powered solutions for physics problems, including a magic scanner to photograph and solve equations. It simplifies complex concepts, provides practice exercises, and includes a comprehensive formula library for effective test preparation.

**Highlights:** AI Physics Solver, Magic AI Scanner, Step-by-step solutions, Physics test preparation, Simplified theory explanations, Physics exercises and quizzes, Comprehensive formula library

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

**In-app purchases (13)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Physics · Monthly | $3.49 | per month |
| Physics · Monthly | $5.99 | per month |
| Physics · Monthly | $5.99 | per month |
| Monthly Subscription - Physics | $5.99 | per month |
| Physics · Annual | $8.49 | per year |
| Physics · Annual | $12.99 | per year |
| Physics · Annual | $24.99 | per year |
| Physics · Annual | $24.99 | per year |
| Remove advertising | $0.99 | one-time |
| Unlock the whole theory | $0.99 | one-time |
| Unlock all stories | $0.99 | one-time |
| Lifetime Subscription Physics | $29.99 | one-time |
| Formulas & Solved Problems | $99.99 | one-time |


### UDI APP

[App page](https://appshunter.io/ios/app/udi-app/id1470669745)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Physics Master Homework Tutor free?

Physics Master Homework Tutor is free to download, with in-app purchases available.

### Is UDI APP free?

UDI APP is free to download, with no in-app purchases.

### Do Physics Master Homework Tutor or UDI APP have ads?

Physics Master Homework Tutor shows ads; UDI APP does not.

### Which is updated more often, Physics Master Homework Tutor or UDI APP?

Physics Master Homework Tutor ships an update every 4 weeks, and UDI APP every 11 months. Most recently, Physics Master Homework Tutor was updated on September 21, 2026 and UDI APP on September 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.*