# AI Note Taker ° vs Sign PDF Documents & Forms

The clearest difference is update cadence: Sign PDF Documents & Forms at every 2 weeks against AI Note Taker °'s every 10 months. AI Note Taker °'s advantage is iOS requirement (17.6 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. AI Note Taker ° sells 2 in-app purchases, starting at $1.99 per 7 days and Sign PDF Documents & Forms sells 2 in-app purchases, starting at $12.99 per 7 days. Whichever you choose, the download price is not the number that matters.

AI Note Taker ° ships an update every 10 months, Sign PDF Documents & Forms every 2 weeks. The most recent releases landed on October 10, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | AI Note Taker ° | Sign PDF Documents & Forms |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 2 weeks** |
| Size | 12 MB | 27 MB |
| Requires iOS | **17.6** | 26.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Mukesh Kumar](https://appshunter.io/developer/1787176336) | [Yan Ramanovich](https://appshunter.io/developer/6789653776) |

## What reviewers say

### AI Note Taker °

[App page](https://appshunter.io/ios/app/ai-note-taker/id6751020327)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ai note taker pro weekly | $1.99 | per 7 days |
| ai note taker pro Yearly | $39.99 | per year |


### Sign PDF Documents & Forms

[App page](https://appshunter.io/ios/app/sign-pdf-documents-and-forms/id6789653774)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $12.99 | per 7 days |
| Annually | $79.99 | per year |


## Frequently asked questions

### Is AI Note Taker ° free?

AI Note Taker ° is free to download, with in-app purchases available.

### Is Sign PDF Documents & Forms free?

Sign PDF Documents & Forms is free to download, with in-app purchases available.

### Do AI Note Taker ° or Sign PDF Documents & Forms have ads?

Neither AI Note Taker ° nor Sign PDF Documents & Forms shows ads.

### Which is updated more often, AI Note Taker ° or Sign PDF Documents & Forms?

AI Note Taker ° ships an update every 10 months, and Sign PDF Documents & Forms every 2 weeks. Most recently, AI Note Taker ° was updated on October 10, 2026 and Sign PDF Documents & Forms on October 4, 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.*