# ChatPDF vs HoldON

The clearest difference is ads: HoldON at none against ChatPDF's shown. HoldON also leads on update cadence (monthly vs every 2 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. ChatPDF sells 2 in-app purchases, starting at $2.99 per 7 days and HoldON sells 3 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

ChatPDF ships an update every 2 months, HoldON monthly. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | ChatPDF | HoldON |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (5 ratings)](https://appshunter.io/ios/app/chatpdf-summarize-and-ask-pdf/id6502504985/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Free with in-app purchases | — |
| Size | 24 MB | 18 MB |
| Requires iOS | 18.0 | **17.6** |
| Devices | iPhone | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Tiny Leo Co., Ltd](https://appshunter.io/developer/1660777736) | [Ronald Radhames Santana Franco](https://appshunter.io/developer/1763991681) |

## What reviewers say

### ChatPDF

[App page](https://appshunter.io/ios/app/chatpdf-summarize-and-ask-pdf/id6502504985)

This AI-powered chatbot helps you interact with PDF documents by providing instant summaries, answering detailed questions, and highlighting key information. It streamlines document analysis for students, professionals, and researchers, saving time and enhancing understanding.

**Highlights:** Upload and chat with PDFs, Instant document summaries, Detailed Q&A on content, Keyword search and highlighting, Multi-language support, User-friendly interface

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Trial Premium | $2.99 | per 7 days |
| Yearly Premium | $29.99 | per year |


### HoldON

[App page](https://appshunter.io/ios/app/holdon-screen-time-control/id6791484514)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| HoldON Premium | $9.99 | per month |
| Premium Annual — Win-Back | $29.99 | per year |
| HoldON Premium | $59.99 | per year |


## Frequently asked questions

### Is ChatPDF free?

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

### Is HoldON free?

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

### Do ChatPDF or HoldON have ads?

ChatPDF shows ads; HoldON does not.

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

ChatPDF ships an update every 2 months, and HoldON monthly. Most recently, ChatPDF was updated on October 27, 2026 and HoldON on October 25, 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.*