# ChattyPDF AI vs Lexa Voice Notes

ChattyPDF AI and Lexa Voice Notes 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. ChattyPDF AI sells 5 in-app purchases, starting at $6.99 per 7 days and Lexa Voice Notes sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

ChattyPDF AI ships an update every 3 weeks, Lexa Voice Notes monthly. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | ChattyPDF AI | Lexa Voice Notes |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (148 ratings)](https://appshunter.io/ios/app/chattypdf-ai-chat-wany-doc/id6451393269/reviews)** | — |
| Number of ratings | **148** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | Free with in-app purchases | — |
| Size | 94 MB | 28 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Adish Padhani](https://appshunter.io/developer/992727409) | [Kyzer AI LLC](https://appshunter.io/developer/1878469758) |

## What reviewers say

### ChattyPDF AI

[App page](https://appshunter.io/ios/app/chattypdf-ai-chat-wany-doc/id6451393269)

This AI-powered assistant allows you to chat with any document, extract key information, and generate instant summaries. Simply upload a file, ask a question, and receive precise answers in seconds, saving you time and effort.

**Highlights:** Chat with any document, Extract key information, Generate instant summaries, Get precise answers, Unlimited file size, Boost productivity

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Chat PDF AI Pro Weekly | $6.99 | per 7 days |
| Chat PDF AI Pro Weekly | $6.99 | per 7 days |
| Chat PDF AI Pro Limited Offer | $34.99 | per year |
| Chat PDF AI Pro Yearly | $69.99 | per year |
| Chat PDF AI Pro Yearly | $69.99 | per year |


### Lexa Voice Notes

[App page](https://appshunter.io/ios/app/lexa-voice-notes/id6759405137)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lexa Pro Monthly | $9.99 | per month |
| Lexa Pro Yearly | $79.99 | per year |


## Frequently asked questions

### Is ChattyPDF AI free?

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

### Is Lexa Voice Notes free?

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

### Do ChattyPDF AI or Lexa Voice Notes have ads?

Neither ChattyPDF AI nor Lexa Voice Notes shows ads.

### Which is updated more often, ChattyPDF AI or Lexa Voice Notes?

ChattyPDF AI ships an update every 3 weeks, and Lexa Voice Notes monthly. Most recently, ChattyPDF AI was updated on November 3, 2026 and Lexa Voice Notes on October 31, 2026.

---

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