# PDF Field Guide vs Folio

The clearest difference is update cadence: Folio at daily against PDF Field Guide's monthly. PDF Field Guide's advantage is iOS requirement (17.0 vs 26.2). On price, ads, in-app purchases and device support there is nothing between them.

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

PDF Field Guide ships an update monthly, Folio daily. The most recent releases landed on October 16, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | PDF Field Guide | Folio |
| --- | --- | --- |
| 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 | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Daily** |
| Monetization | Free | — |
| Size | 1 MB | 4 MB |
| Requires iOS | **17.0** | 26.2 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Heidi Paul](https://appshunter.io/developer/1724530685) | [ARUBAI ARAIN](https://appshunter.io/developer/6788973201) |

## 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 |


### Folio

[App page](https://appshunter.io/ios/app/folio-meeting-notes/id6788973199)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Folio Full Access | $5.99 | one-time |


## Frequently asked questions

### Is PDF Field Guide free?

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

### Is Folio free?

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

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

Neither PDF Field Guide nor Folio shows ads.

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

PDF Field Guide ships an update monthly, and Folio daily. Most recently, PDF Field Guide was updated on October 16, 2026 and Folio on October 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.*