# Catalyst Suites vs PDF Field Guide

The clearest difference is in-app purchases: Catalyst Suites at none against PDF Field Guide's 2. Catalyst Suites also leads on iOS requirement (11.0 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

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

Catalyst Suites ships an update every 5 weeks, PDF Field Guide monthly. The most recent releases landed on October 6, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Catalyst Suites | PDF Field Guide |
| --- | --- | --- |
| 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 | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Monthly** |
| Monetization | — | Free |
| Size | 19 MB | 1 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Pickspace](https://appshunter.io/developer/1310566877) | [Heidi Paul](https://appshunter.io/developer/1724530685) |

## What reviewers say

### Catalyst Suites

[App page](https://appshunter.io/ios/app/catalyst-suites/id6463144370)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 Catalyst Suites free?

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

### Is PDF Field Guide free?

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

### Do Catalyst Suites or PDF Field Guide have ads?

Neither Catalyst Suites nor PDF Field Guide shows ads.

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

Catalyst Suites ships an update every 5 weeks, and PDF Field Guide monthly. Most recently, Catalyst Suites was updated on October 6, 2026 and PDF Field Guide on October 16, 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.*