# YNotes vs IQ Booster

The clearest difference is update cadence: YNotes at every 2 days against IQ Booster's every 5 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. YNotes sells 4 in-app purchases, starting at $3.99 per month and IQ Booster sells 2 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

YNotes ships an update every 2 days, IQ Booster every 5 weeks. The most recent releases landed on October 25, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | YNotes | IQ Booster |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 5 weeks |
| Size | 24 MB | 74 MB |
| Requires iOS | 17.0 | **16.4** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [佳辉 瞿](https://appshunter.io/developer/1886015317) | [Umer Ahmed](https://appshunter.io/developer/1827456573) |

## 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 |


### IQ Booster

[App page](https://appshunter.io/ios/app/iq-booster-brain-games-puzzle/id6790361630)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $4.99 | per 7 days |
| Lifetime Premium | $9.99 | one-time |


## Frequently asked questions

### Is YNotes free?

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

### Is IQ Booster free?

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

### Do YNotes or IQ Booster have ads?

Neither YNotes nor IQ Booster shows ads.

### Which is updated more often, YNotes or IQ Booster?

YNotes ships an update every 2 days, and IQ Booster every 5 weeks. Most recently, YNotes was updated on October 25, 2026 and IQ Booster on October 22, 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.*