# Physics AI vs PhysAI

The clearest difference is ads: PhysAI at none against Physics AI's shown. PhysAI also leads on update cadence (every 9 days vs every 3 months). Physics AI's advantage is iOS requirement (15.1 vs 17.6). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Physics AI sells 5 in-app purchases, starting at $4.99 per 7 days and PhysAI sells 2 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Physics AI ships an update every 3 months, PhysAI every 9 days. The most recent releases landed on October 24, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Physics AI | PhysAI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 9 days** |
| Size | 52 MB | 24 MB |
| Requires iOS | **15.1** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Serhii Shlykov](https://appshunter.io/developer/1809794912) | [圣跃 巩](https://appshunter.io/developer/1757456097) |

## What reviewers say

### Physics AI

[App page](https://appshunter.io/ios/app/physics-ai-homework-helper-plus/id6759664664)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Physics Homework Solver AI Weekly | $4.99 | per 7 days |
| Physics Homework Solver AI Weekly | $4.99 | per 7 days |
| Physics Homework Solver AI Yearly | $19.99 | per year |
| Physics Homework Solver AI Yearly | $29.99 | per year |
| Physics Homework Solver AI Yearly | $29.99 | per year |


### PhysAI

[App page](https://appshunter.io/ios/app/physai-physics-solver-and-chat/id6782878306)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $4.99 | per 7 days |
| Pro Annual | $29.99 | per year |


## Frequently asked questions

### Is Physics AI free?

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

### Is PhysAI free?

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

### Do Physics AI or PhysAI have ads?

Physics AI shows ads; PhysAI does not.

### Which is updated more often, Physics AI or PhysAI?

Physics AI ships an update every 3 months, and PhysAI every 9 days. Most recently, Physics AI was updated on October 24, 2026 and PhysAI on October 20, 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.*