# PDF Reader vs Smart Reader

The clearest difference is update cadence: Smart Reader at every 3 days against PDF Reader's every 114 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

PDF Reader ships an update every 114 months, Smart Reader every 3 days. The most recent releases landed on October 21, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | PDF Reader | Smart Reader |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 114 months | **Every 3 days** |
| Monetization | Ad-supported | — |
| Size | 8 MB | 31 MB |
| Requires iOS | **14.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Aishvarya Sadasivam](https://appshunter.io/developer/1062048241) | [TCC & PARTNERS JOINT STOCK COMPANY](https://appshunter.io/developer/1837665056) |

## What reviewers say

### PDF Reader

[App page](https://appshunter.io/ios/app/pdf-reader-for-books/id1084659168)

Easily open and view all your important files, including PDFs, documents, spreadsheets, presentations, and images, in one straightforward app. Designed for simplicity and speed, it's your reliable companion for accessing digital materials and eBooks quickly with a clean interface.

**Highlights:** Open PDFs and eBooks, View Office files (.doc, .xls, .ppt), Access image files (.png, .jpg), Open .html web pages, Clean and clear interface, Fast and reliable file viewing

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

**In-app purchases:** none


### Smart Reader

[App page](https://appshunter.io/ios/app/smart-reader-pdf-and-ebook/id6754656120)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PDF Reader free?

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

### Is Smart Reader free?

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

### Do PDF Reader or Smart Reader have ads?

Both PDF Reader and Smart Reader show ads.

### Which is updated more often, PDF Reader or Smart Reader?

PDF Reader ships an update every 114 months, and Smart Reader every 3 days. Most recently, PDF Reader was updated on October 21, 2026 and Smart Reader on October 19, 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.*