# PDF Field Guide vs Captium IQ

The clearest difference is in-app purchases: Captium IQ at none against PDF Field Guide's 2. PDF Field Guide's advantage is update cadence (monthly vs every 2 months). On price, rating, ratings volume and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for PDF Field Guide against 5.0 for Captium IQ. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

PDF Field Guide ships an update monthly, Captium IQ every 2 months. The most recent releases landed on October 16, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | PDF Field Guide | Captium IQ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/pdf-field-guide/id6475620684/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/captium-iq/id6760318523/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | Free | Free |
| Size | 1 MB | 36 MB |
| Requires iOS | 17.0 | **16.4** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Heidi Paul](https://appshunter.io/developer/1724530685) | [Elevat Inc](https://appshunter.io/developer/1464244410) |

## 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 |


### Captium IQ

[App page](https://appshunter.io/ios/app/captium-iq/id6760318523)

This app provides real-time service support for rescue tool systems, offering AI-powered guidance for maintenance and troubleshooting. It connects equipment data with manuals and predictive insights to help technicians, operators, and fleet managers resolve issues quickly and reduce downtime.

**Highlights:** AI-powered troubleshooting guidance, Voice-enabled, hands-free operation, Real-time equipment insights, Predictive maintenance alerts, Role-optimized workflows, Manual content integration

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

**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 Captium IQ free?

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

### Which has better reviews, PDF Field Guide or Captium IQ?

PDF Field Guide and Captium IQ are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do PDF Field Guide or Captium IQ have ads?

Neither PDF Field Guide nor Captium IQ shows ads.

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

PDF Field Guide ships an update monthly, and Captium IQ every 2 months. Most recently, PDF Field Guide was updated on October 16, 2026 and Captium IQ on September 16, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*