# Defter Notes vs AI Reader

The clearest difference is in-app purchases: AI Reader at none against Defter Notes's 7. AI Reader also leads on rating (4.7 vs 4.4) and iOS requirement (15.1 vs 17.0). Defter Notes's advantage is ads (none vs shown). On price, review sentiment, ratings volume and update cadence there is nothing between them.

Both are free to download. Defter Notes sells 7 in-app purchases, starting at $2.99 per month. AI Reader asks for nothing beyond the download.

AI Reader holds the better App Store score, 4.7 against 4.4. Both are backed by a comparable volume of ratings — 75 and 143 respectively. Written reviews point the same way: 75% of Defter Notes's written reviews are positive against 79% of AI Reader's.

Defter Notes ships an update every 2 weeks, AI Reader every 10 days. The most recent releases landed on September 19, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Defter Notes | AI Reader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (75 ratings)](https://appshunter.io/ios/app/defter-notes/id1570783518/reviews) | **[4.7 (143 ratings)](https://appshunter.io/ios/app/ai-reader-read-aloud-pdf-book/id6754524209/reviews)** |
| Number of ratings | 75 | **143** |
| Positive reviews | 75.3% of reviews | **78.6% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 2 weeks | **Every 10 days** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 59 MB | 45 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Deft Works ApS](https://appshunter.io/developer/1570783520) | [Nguyen Hong Phuc](https://appshunter.io/developer/1519084763) |

## What reviewers say

### Defter Notes

[App page](https://appshunter.io/ios/app/defter-notes/id1570783518)

This app provides an infinite canvas for spatial thinking, allowing users to capture, connect, and explore ideas through handwriting, drawing, and text. Organize thoughts with flexible tools and intuitive navigation for enhanced creativity and productivity.

**Highlights:** Infinite canvas for spatial thinking, Handwritten notes, sketches, and typed text, Connect and layer ideas, Organize with Stacks, Deft movement with gestures, Cross-reference and multitask documents, Supports links and files

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan | $2.99 | per month |
| Mini Supporter | $2.99 | per month |
| Supporter | $7.99 | per month |
| Yearly Plan | $17.99 | per year |
| Big Supporter | $29.99 | per month |
| Lifetime Access - Welcome Offer | $29.99 | one-time |
| Lifetime Access | $39.99 | one-time |


### AI Reader

[App page](https://appshunter.io/ios/app/ai-reader-read-aloud-pdf-book/id6754524209)

Transform any text, PDF, or eBook into an audiobook with realistic, human-like AI voices. Enjoy your entire library as a personal audio collection without ads or sign-up. Listen while multitasking or relaxing.

**Highlights:** Realistic AI text-to-speech voices, Convert eBooks, PDFs, and documents to audio, Highlight and replay sentences/words, Listen while commuting or working, No ads or sign-up required, Multiple human-sounding voice options

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

**In-app purchases:** none


## Frequently asked questions

### Is Defter Notes free?

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

### Is AI Reader free?

AI Reader is free to download, with no in-app purchases.

### Which has better reviews, Defter Notes or AI Reader?

AI Reader is rated higher. Defter Notes averages 4.4 out of 5 from 75 ratings, while AI Reader averages 4.7 from 143 ratings.

### Do Defter Notes or AI Reader have ads?

AI Reader shows ads; Defter Notes does not.

### Which is updated more often, Defter Notes or AI Reader?

Defter Notes ships an update every 2 weeks, and AI Reader every 10 days. Most recently, Defter Notes was updated on September 19, 2026 and AI Reader on September 23, 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.*