# PDF Notes Pro vs AI Keyboard

The clearest difference is review sentiment: AI Keyboard at 88% against PDF Notes Pro's 13%. AI Keyboard also leads on price (Free vs $4.99) and rating (4.8 vs 1.7). PDF Notes Pro's advantage is in-app purchases (none vs 16) and update cadence (every 3 weeks vs every 2 months). On ads and device support there is nothing between them.

AI Keyboard is free to download; PDF Notes Pro costs $4.99 up front. AI Keyboard sells 11 in-app purchases, starting at $2.99 per 7 days. PDF Notes Pro asks for nothing beyond the download.

AI Keyboard holds the better App Store score, 4.8 against 1.7. That said, the two scores are not equally well evidenced: AI Keyboard has 240 ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 13% of PDF Notes Pro's written reviews are positive against 88% of AI Keyboard's.

PDF Notes Pro ships an update every 3 weeks, AI Keyboard every 2 months. The most recent releases landed on October 16, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | PDF Notes Pro | AI Keyboard |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | [1.7 (6 ratings)](https://appshunter.io/ios/app/pdf-notes-pro/id852698318/reviews) | **[4.8 (240 ratings)](https://appshunter.io/ios/app/ai-keyboard-anywrite-type-ai/id6473675965/reviews)** |
| Number of ratings | 6 | **240** |
| Positive reviews | 12.5% of reviews | **88.2% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 40 MB | 134 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [UMateY](https://appshunter.io/developer/327433577) | [Appnest Technologies](https://appshunter.io/developer/1696144845) |

## What reviewers say

### PDF Notes Pro

[App page](https://appshunter.io/ios/app/pdf-notes-pro/id852698318)

Transform your iOS device into a digital notebook for annotating and managing PDF documents. Easily add handwritten notes, highlights, and drawings directly onto PDFs, and organize your files with a built-in management system. Share, print, and search your documents and notes with ease.

**Highlights:** Handwritten notes with audio recording, PDF annotation (highlight, underline, strikeout), Freehand drawing and signing, Full-text search within PDFs and notes, Built-in file management, PDF sharing and printing

**Features:** Vision Pro support

**In-app purchases:** none


### AI Keyboard

[App page](https://appshunter.io/ios/app/ai-keyboard-anywrite-type-ai/id6473675965)

Enhance your typing experience with an AI-powered keyboard that offers real-time grammar and spelling checks, one-tap rewriting, and instant translation in over 100 languages.  Customize your keyboard and choose from various tone themes to communicate more effectively across all your apps.

**Highlights:** Instant grammar and spelling checker, One-tap rewrite and paraphrase, Multiple tone themes, Instant translation (100+ languages), GPT chat built-in, Predictive text and smart suggestions, Works in every app

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

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AnyWrite Weekly Premium | $2.99 | per 7 days |
| AnyWrite Weekly Premium | $4.99 | per 7 days |
| AnyWrite Weekly Premium | $4.99 | per 7 days |
| AnyWrite Monthly Premium | $14.99 | per month |
| AnyWrite Annual Premium | $39.99 | per year |
| AnyWrite Annual Premium | $39.99 | per year |
| AnyWrite Annual Premium | $49.99 | per year |
| AnyWrite Annual Premium | $69.99 | per year |
| AnyWrite Premium Lifetime | $29.99 | one-time |
| AnyWrite Lifetime Access | $100.00 | one-time |
| AnyWrite Lifetime Access | $249.99 | one-time |

**What reviewers like**

- ✨ Top-notch auto-correction
- ✍️ Predictive text accuracy
- 🎨 Customization options
- 🔄 Seamless app integration
- 🚀 Fast and accurate

**What reviewers complain about**

- 💰 Expensive
- ⏳ Keyboard takes time to appear
- 🐌 Latency when typing fast
- 🤔 Predictive text can be incorrect
- 🔒 Requires full keyboard access

**Reported bugs**

- Keyboard sometimes disappears
- App sometimes doesn't show keyboard
- Typing can be a jumbled mess
- Glitches
- No more glitches please

**Requested features**

- Update the app
- Fix paragraph rewriting
- Chinese language for translation
- Better integration for computer desktops
- Translate back from foreign language responses


## Frequently asked questions

### Is PDF Notes Pro free?

PDF Notes Pro costs $4.99, with no in-app purchases.

### Is AI Keyboard free?

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

### Which has better reviews, PDF Notes Pro or AI Keyboard?

AI Keyboard is rated higher. PDF Notes Pro averages 1.7 out of 5 from 6 ratings, while AI Keyboard averages 4.8 from 240 ratings.

### Do PDF Notes Pro or AI Keyboard have ads?

Neither PDF Notes Pro nor AI Keyboard shows ads.

### Which is updated more often, PDF Notes Pro or AI Keyboard?

PDF Notes Pro ships an update every 3 weeks, and AI Keyboard every 2 months. Most recently, PDF Notes Pro was updated on October 16, 2026 and AI Keyboard on October 14, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*