# EPUBadjunct vs PDF Field Guide

The clearest difference is rating: PDF Field Guide at 5.0 against EPUBadjunct's 3.0. PDF Field Guide also leads on update cadence (monthly vs every 8 months) and monetization model (free vs free with in-app purchases). EPUBadjunct's advantage is iOS requirement (7.0 vs 17.0). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. EPUBadjunct sells 1 one-off in-app purchase and PDF Field Guide sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

PDF Field Guide holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

EPUBadjunct ships an update every 8 months, PDF Field Guide monthly. The most recent releases landed on October 10, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | EPUBadjunct | PDF Field Guide |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (1 ratings)](https://appshunter.io/ios/app/epubadjunct-smart-epub-reader/id975712058/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/pdf-field-guide/id6475620684/reviews)** |
| Number of ratings | 1 | 1 |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 8 months | **Monthly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 12 MB | 1 MB |
| Requires iOS | **7.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [VLADYSLAV YERSHOV](https://appshunter.io/developer/879767497) | [Heidi Paul](https://appshunter.io/developer/1724530685) |

## What reviewers say

### EPUBadjunct

[App page](https://appshunter.io/ios/app/epubadjunct-smart-epub-reader/id975712058)

This application offers a refined reading experience for ePub files on iOS devices. It features a clean interface, customizable text options, and robust navigation for easy access to your library. Enjoy your books with high-fidelity rendering and embedded image support.

**Highlights:** Modern and clean user interface, Customizable font types and text scaling, High fidelity rendering, Embedded image support, Full book navigation, Easy access to recently opened books, iTunes File Sharing

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ADs | $0.99 | one-time |


### PDF Field Guide

[App page](https://appshunter.io/ios/app/pdf-field-guide/id6475620684)

Quickly access, search, and share your essential PDF documents. Organize and import files for offline viewing, and convert images into searchable PDFs. Smart zoom and full-screen reading enhance your experience.

**Highlights:** Organize and group documents, Import PDFs for offline viewing, Create searchable PDFs from images, Smart zoom and full-screen reading, Keyword search and table of contents, Share documents via multiple methods

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Pass | $1.99 | one-time |
| Pro Pass | $4.99 | one-time |


## Frequently asked questions

### Is EPUBadjunct free?

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

### Is PDF Field Guide free?

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

### Which has better reviews, EPUBadjunct or PDF Field Guide?

PDF Field Guide is rated higher. EPUBadjunct averages 3.0 out of 5 from 1 ratings, while PDF Field Guide averages 5.0 from 1 ratings.

### Do EPUBadjunct or PDF Field Guide have ads?

Neither EPUBadjunct nor PDF Field Guide shows ads.

### Which is updated more often, EPUBadjunct or PDF Field Guide?

EPUBadjunct ships an update every 8 months, and PDF Field Guide monthly. Most recently, EPUBadjunct was updated on October 10, 2026 and PDF Field Guide on October 1, 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.*