# PDF Field Guide vs Tudu Next

The clearest difference is in-app purchases: Tudu Next at none against PDF Field Guide's 2. Tudu Next also leads on ratings volume (3 vs 1) and iOS requirement (14.0 vs 17.0). PDF Field Guide's advantage is ads (none vs shown). On price, rating, update cadence and device support there is nothing between them.

Both are free to download. PDF Field Guide sells 2 one-off in-app purchases. Tudu Next 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 Tudu Next. Both are backed by a comparable volume of ratings — 1 and 3 respectively.

PDF Field Guide ships an update monthly, Tudu Next every 6 weeks. The most recent releases landed on October 16, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | PDF Field Guide | Tudu Next |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/pdf-field-guide/id6475620684/reviews) | [5.0 (3 ratings)](https://appshunter.io/ios/app/tudu-next/id6754856743/reviews) |
| Number of ratings | 1 | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Monthly** | Every 6 weeks |
| Monetization | **Free** | Ad-supported |
| Size | 1 MB | 32 MB |
| Requires iOS | 17.0 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Heidi Paul](https://appshunter.io/developer/1724530685) | [Tudu Next, Inc.](https://appshunter.io/developer/1850537473) |

## 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 |


### Tudu Next

[App page](https://appshunter.io/ios/app/tudu-next/id6754856743)

Save and organize places you discover on social media, like restaurants, bars, and shops. Easily find saved locations by city or category when you need them, eliminating the need to scroll through old messages and screenshots.

**Highlights:** Save places from social media, Organize by city and category, Create lists for future trips, Save restaurants, bars, and shops, View saved locations on clean cards, Open links for booking and directions

**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 Tudu Next free?

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

### Which has better reviews, PDF Field Guide or Tudu Next?

PDF Field Guide and Tudu Next are both rated 5.0 out of 5 on the App Store, from 1 and 3 ratings respectively.

### Do PDF Field Guide or Tudu Next have ads?

Tudu Next shows ads; PDF Field Guide does not.

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

PDF Field Guide ships an update monthly, and Tudu Next every 6 weeks. Most recently, PDF Field Guide was updated on October 16, 2026 and Tudu Next on October 22, 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.*