# Happier PDF vs PDF Reader PDF Viewer

The clearest difference is update cadence: Happier PDF at every 3 days against PDF Reader PDF Viewer's every 3 weeks. PDF Reader PDF Viewer's advantage is iOS requirement (13.0 vs 16.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Happier PDF sells 1 one-off in-app purchase and PDF Reader PDF Viewer sells 2 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

Happier PDF ships an update every 3 days, PDF Reader PDF Viewer every 3 weeks. The most recent releases landed on October 1, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Happier PDF | PDF Reader PDF Viewer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (2 ratings)](https://appshunter.io/ios/app/pdf-reader-pdf-viewer/id6470454445/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 3 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 2 MB | 13 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Thi Hong Chau Le](https://appshunter.io/developer/1610084014) | [Mohit Rudani](https://appshunter.io/developer/1673702969) |

## What reviewers say

### Happier PDF

[App page](https://appshunter.io/ios/app/happier-pdf/id6470315442)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Export PDF without limitation | $1.99 | one-time |


### PDF Reader PDF Viewer

[App page](https://appshunter.io/ios/app/pdf-reader-pdf-viewer/id6470454445)

Edit, sign, and share PDF documents on your iPhone. Import files from your gallery, convert them to PDF, and manage all your documents in one place. Offers a simple interface for reading, annotating, and creating PDFs.

**Highlights:** Edit and sign PDF documents, Import and convert to PDF, Read, comment, and annotate PDFs, Create new PDF files, Share documents as PDF, Offline PDF viewing

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads for 1 Month | $0.99 | per month |
| Remove ads for 1 Year | $3.99 | per year |


## Frequently asked questions

### Is Happier PDF free?

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

### Is PDF Reader PDF Viewer free?

PDF Reader PDF Viewer is free to download, with in-app purchases available.

### Do Happier PDF or PDF Reader PDF Viewer have ads?

Neither Happier PDF nor PDF Reader PDF Viewer shows ads.

### Which is updated more often, Happier PDF or PDF Reader PDF Viewer?

Happier PDF ships an update every 3 days, and PDF Reader PDF Viewer every 3 weeks. Most recently, Happier PDF was updated on October 1, 2026 and PDF Reader PDF Viewer on September 24, 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.*