# EPUB Viewer Pro vs Jiffy

The clearest difference is update cadence: Jiffy at every 3 weeks against EPUB Viewer Pro's every 5 months. EPUB Viewer Pro's advantage is device support (4 vs 2) and iOS requirement (13.0 vs 16.4). On price, ads and in-app purchases there is nothing between them.

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

EPUB Viewer Pro ships an update every 5 months, Jiffy every 3 weeks. The most recent releases landed on October 22, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | EPUB Viewer Pro | Jiffy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.5 (13 ratings)](https://appshunter.io/ios/app/epub-viewer-pro/id1572239625/reviews)** | — |
| Number of ratings | **13** | — |
| Positive reviews | 84.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 3 MB | 75 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [青青 余](https://appshunter.io/developer/633344484) | [Paul Gerard McBrien](https://appshunter.io/developer/1881179090) |

## What reviewers say

### EPUB Viewer Pro

[App page](https://appshunter.io/ios/app/epub-viewer-pro/id1572239625)

Easily read EPUB files with this specialized application. It offers a convenient, fast, and safe reading experience for your digital books. A Mac version is also available for enhanced functionality.

**Highlights:** Read EPUB files, Convenient reading, Fast performance, Safe usage, Mac version available

**Features:** Vision Pro support

**In-app purchases:** none


### Jiffy

[App page](https://appshunter.io/ios/app/jiffy-notes-tasks-reminders/id6759848067)

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

**In-app purchases:** none


## Frequently asked questions

### Is EPUB Viewer Pro free?

EPUB Viewer Pro is free to download, with no in-app purchases.

### Is Jiffy free?

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

### Do EPUB Viewer Pro or Jiffy have ads?

Neither EPUB Viewer Pro nor Jiffy shows ads.

### Which is updated more often, EPUB Viewer Pro or Jiffy?

EPUB Viewer Pro ships an update every 5 months, and Jiffy every 3 weeks. Most recently, EPUB Viewer Pro was updated on October 22, 2026 and Jiffy on October 7, 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.*