# ChatPDF AI vs MultiTEMPO

The clearest difference is in-app purchases: MultiTEMPO at none against ChatPDF AI's 5. ChatPDF AI's advantage is update cadence (every 3 weeks vs every 16 months) and iOS requirement (13.4 vs 15.8). On price, ads and device support there is nothing between them.

Both are free to download. ChatPDF AI sells 5 in-app purchases, starting at $2.99 per 7 days. MultiTEMPO asks for nothing beyond the download.

ChatPDF AI ships an update every 3 weeks, MultiTEMPO every 16 months. The most recent releases landed on October 17, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | ChatPDF AI | MultiTEMPO |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 16 months |
| Monetization | Freemium | — |
| Size | 26 MB | 65 MB |
| Requires iOS | **13.4** | 15.8 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [YAHYA KEMAL SERT](https://appshunter.io/developer/1725191042) | [Gulliver S.r.l.](https://appshunter.io/developer/518244902) |

## What reviewers say

### ChatPDF AI

[App page](https://appshunter.io/ios/app/chatpdf-ai-scan-and-summarize/id6503151297)

This app uses AI to quickly summarize lengthy documents and articles. It allows users to scan physical documents and interact with PDFs by asking questions to extract key information, enhancing learning and productivity.

**Highlights:** AI-powered PDF summarization, Scan physical documents, Chat with document contents, Interactive learning experience, Support for various document types, Document management

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ChatPDF AI Weekly Premium | $2.99 | per 7 days |
| ChatPDF AI Annual Subscription | $39.99 | per year |
| ChatPDF AI Weekly Subscription | $3.99 | one-time |
| ChatPDF AI Lifetime Subsc | $49.99 | one-time |
| ChatPDF AI Annual Subsc. | $59.99 | one-time |


### MultiTEMPO

[App page](https://appshunter.io/ios/app/multitempo/id6739066003)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is ChatPDF AI free?

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

### Is MultiTEMPO free?

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

### Do ChatPDF AI or MultiTEMPO have ads?

Neither ChatPDF AI nor MultiTEMPO shows ads.

### Which is updated more often, ChatPDF AI or MultiTEMPO?

ChatPDF AI ships an update every 3 weeks, and MultiTEMPO every 16 months. Most recently, ChatPDF AI was updated on October 17, 2026 and MultiTEMPO on October 15, 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.*