# PeakCorteX vs PDF Field Guide

The clearest difference is monetization model: PDF Field Guide at free against PeakCorteX's subscription. PDF Field Guide also leads on update cadence (monthly vs every 8 months). PeakCorteX's advantage is iOS requirement (15.5 vs 17.0). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. PeakCorteX sells 3 in-app purchases, starting at $4.49 per month and PDF Field Guide sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

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

PeakCorteX ships an update every 8 months, PDF Field Guide monthly. The most recent releases landed on October 20, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | PeakCorteX | PDF Field Guide |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/peakcortex-self-management/id1491174460/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/pdf-field-guide/id6475620684/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 8 months | **Monthly** |
| Monetization | Subscription | **Free** |
| Size | 53 MB | 1 MB |
| Requires iOS | **15.5** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Saymon R. Gattnar](https://appshunter.io/developer/1491174459) | [Heidi Paul](https://appshunter.io/developer/1724530685) |

## What reviewers say

### PeakCorteX

[App page](https://appshunter.io/ios/app/peakcortex-self-management/id1491174460)

This advanced productivity tool helps you master your life by managing routines, tasks, and projects. It offers sophisticated features for planning, tracking, and reporting, all while keeping your data secure on your device.

**Highlights:** Advanced routine and habit planning, Eisenhower-Matrix prioritization for to-dos, Time-boxing and Pomodoro timers, Sophisticated content management with projects and labels, Detailed reports on activity and time spent, Offline mode for deep focus

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PeakCorteX Monthly | $4.49 | per month |
| PeakCorteX Half-Yearly | $22.99 | per 6 months |
| PeakCorteX Yearly | $39.99 | per year |


### 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 PeakCorteX free?

PeakCorteX 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, PeakCorteX or PDF Field Guide?

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

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

Neither PeakCorteX nor PDF Field Guide shows ads.

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

PeakCorteX ships an update every 8 months, and PDF Field Guide monthly. Most recently, PeakCorteX was updated on October 20, 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.*