# PDF Field Guide vs VoidNote

The clearest difference is in-app purchases: VoidNote at none against PDF Field Guide's 2. VoidNote also leads on update cadence (every 2 days vs monthly) and iOS requirement (12.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. PDF Field Guide sells 2 one-off in-app purchases. VoidNote asks for nothing beyond the download.

PDF Field Guide ships an update monthly, VoidNote every 2 days. Both last shipped on October 1, 2026.

## The numbers

| Metric | PDF Field Guide | VoidNote |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/pdf-field-guide/id6475620684/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 days** |
| Monetization | Free | — |
| Size | 1 MB | 39 MB |
| Requires iOS | 17.0 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Heidi Paul](https://appshunter.io/developer/1724530685) | [Hasancan Cakicioglu](https://appshunter.io/developer/1798437420) |

## What reviewers say

### 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 |


### VoidNote

[App page](https://appshunter.io/ios/app/voidnote-notepad/id6742448208)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PDF Field Guide free?

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

### Is VoidNote free?

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

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

Neither PDF Field Guide nor VoidNote shows ads.

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

PDF Field Guide ships an update monthly, and VoidNote every 2 days. Most recently, PDF Field Guide was updated on October 1, 2026 and VoidNote 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.*