# Physics AI vs Octo AI

The clearest difference is ads: Octo AI at none against Physics AI's shown. Octo AI also leads on update cadence (every 4 days vs every 3 months). On price, in-app purchases, device support and iOS requirement 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 Octo AI 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, Octo AI every 4 days. The most recent releases landed on October 24, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Physics AI | Octo AI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 4 days** |
| Size | 52 MB | 58 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Serhii Shlykov](https://appshunter.io/developer/1809794912) | [CENGIZHAN ERTURAN](https://appshunter.io/developer/6803370468) |

## 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 |


### Octo AI

[App page](https://appshunter.io/ios/app/octo-ai-video-problem-solver/id6803370466)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Octo AI Pro - Weekly | $4.99 | per 7 days |
| Octo AI Pro - Monthly | $12.99 | per month |


## Frequently asked questions

### Is Physics AI free?

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

### Is Octo AI free?

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

### Do Physics AI or Octo AI have ads?

Physics AI shows ads; Octo AI does not.

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

Physics AI ships an update every 3 months, and Octo AI every 4 days. Most recently, Physics AI was updated on October 24, 2026 and Octo AI on October 19, 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.*