# Mathify vs ChatPDF

The clearest difference is review sentiment: Mathify at 71% against ChatPDF's 0%. Mathify also leads on rating (4.6 vs 3.0) and ads (none vs shown). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. Mathify sells 3 in-app purchases, starting at $0.99 per month and ChatPDF sells 3 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Mathify holds the better App Store score, 4.6 against 3.0. Both are backed by a comparable volume of ratings — 7 and 2 respectively. Written reviews point the same way: 71% of Mathify's written reviews are positive against 0% of ChatPDF's.

Mathify ships an update every 4 days, ChatPDF weekly. The most recent releases landed on September 9, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Mathify | ChatPDF |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (7 ratings)](https://appshunter.io/ios/app/mathify-math-editor/id1549563845/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/chatpdf-ai-chat-with-pdf/id6745691285/reviews) |
| Number of ratings | **7** | 2 |
| Positive reviews | **71.4% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 4 days** | Weekly |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 85 MB | 52 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hakob Grigoryan](https://appshunter.io/developer/1549564147) | [talha rehman](https://appshunter.io/developer/1573036144) |

## What reviewers say

### Mathify

[App page](https://appshunter.io/ios/app/mathify-math-editor/id1549563845)

This app allows users to create and solve complex math equations using AI. It supports various input methods, including handwriting recognition and image capture, and can export documents to multiple formats. Get step-by-step solutions and calculate results with external tools.

**Highlights:** AI-powered equation editor, Handwriting recognition, Image-based formula capture (OCR), Step-by-step solutions, Export to PDF and DOCX, WolframAlpha integration

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Standard | $0.99 | per month |
| Gold | $1.99 | per month |
| Platinum | $5.99 | per month |


### ChatPDF

[App page](https://appshunter.io/ios/app/chatpdf-ai-chat-with-pdf/id6745691285)

Upload PDFs and ask questions to get summaries, clarifications, or insights. Access your chat history across devices securely. Your documents and conversations remain private and encrypted.

**Highlights:** Ask questions about PDF content, Get quick document summaries, Clarify specific sections, Access chat history across devices, Secure cloud storage for conversations, End-to-end encryption for privacy

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Plan | $3.99 | per 7 days |
| Monthly Plan | $6.99 | per month |
| Yearly Plan | $49.49 | per year |


## Frequently asked questions

### Is Mathify free?

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

### Is ChatPDF free?

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

### Which has better reviews, Mathify or ChatPDF?

Mathify is rated higher. Mathify averages 4.6 out of 5 from 7 ratings, while ChatPDF averages 3.0 from 2 ratings.

### Do Mathify or ChatPDF have ads?

ChatPDF shows ads; Mathify does not.

### Which is updated more often, Mathify or ChatPDF?

Mathify ships an update every 4 days, and ChatPDF weekly. Most recently, Mathify was updated on September 9, 2026 and ChatPDF on September 17, 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.*