# YNotes vs AI Study Sheet

YNotes and AI Study Sheet are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. YNotes sells 4 in-app purchases, starting at $3.99 per month and AI Study Sheet sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

YNotes ships an update every 2 days, AI Study Sheet every 3 days. The most recent releases landed on September 18, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | YNotes | AI Study Sheet |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 3 days |
| Size | 24 MB | 5 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [佳辉 瞿](https://appshunter.io/developer/1886015317) | [Masaki Iino](https://appshunter.io/developer/6778272211) |

## What reviewers say

### YNotes

[App page](https://appshunter.io/ios/app/ynotes-ai-notes-pdf-study/id6760791622)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $3.99 | per month |
| Pro+ Monthly | $9.99 | per month |
| Pro Yearly | $29.99 | per year |
| Pro+ Yearly | $79.99 | per year |


### AI Study Sheet

[App page](https://appshunter.io/ios/app/ai-study-sheet-active-recall/id6782023263)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Saves | $4.99 | one-time |


## Frequently asked questions

### Is YNotes free?

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

### Is AI Study Sheet free?

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

### Do YNotes or AI Study Sheet have ads?

Neither YNotes nor AI Study Sheet shows ads.

### Which is updated more often, YNotes or AI Study Sheet?

YNotes ships an update every 2 days, and AI Study Sheet every 3 days. Most recently, YNotes was updated on September 18, 2026 and AI Study Sheet on September 28, 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.*