# AI Sensei Info I vs IGCSE Physics Notes

The clearest difference is ads: IGCSE Physics Notes at none against AI Sensei Info I's shown. AI Sensei Info I's advantage is update cadence (every 3 days vs every 10 days) and iOS requirement (15.0 vs 26.4). On price, in-app purchases and device support there is nothing between them.

Both are free to download. AI Sensei Info I sells 2 in-app purchases, starting at $2.99 per month and IGCSE Physics Notes sells 3 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

AI Sensei Info I ships an update every 3 days, IGCSE Physics Notes every 10 days. The most recent releases landed on October 13, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | AI Sensei Info I | IGCSE Physics Notes |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 3 days** | Every 10 days |
| Size | 92 MB | 43 MB |
| Requires iOS | **15.0** | 26.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Kazuaki Takahashi](https://appshunter.io/developer/1691521543) | [Hareendra Dhanushka Bandara Jayasingha Gamage](https://appshunter.io/developer/1718176438) |

## What reviewers say

### AI Sensei Info I

[App page](https://appshunter.io/ios/app/ai-sensei-info-i-ct-code/id6770568203)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月額プラン | $2.99 | per month |
| 年額プラン | $22.99 | per year |


### IGCSE Physics Notes

[App page](https://appshunter.io/ios/app/igcse-physics-notes/id6776675569)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $9.99 | per month |
| 6 Month Premium | $44.99 | per 6 months |
| Annual Premium | $69.99 | per year |


## Frequently asked questions

### Is AI Sensei Info I free?

AI Sensei Info I is free to download, with in-app purchases available.

### Is IGCSE Physics Notes free?

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

### Do AI Sensei Info I or IGCSE Physics Notes have ads?

AI Sensei Info I shows ads; IGCSE Physics Notes does not.

### Which is updated more often, AI Sensei Info I or IGCSE Physics Notes?

AI Sensei Info I ships an update every 3 days, and IGCSE Physics Notes every 10 days. Most recently, AI Sensei Info I was updated on October 13, 2026 and IGCSE Physics Notes on October 5, 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.*