# Offline PDF Editor vs Burrow Tunnel

Offline PDF Editor and Burrow Tunnel are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Offline PDF Editor sells 4 in-app purchases, starting at $1.99 per 7 days and Burrow Tunnel sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Offline PDF Editor ships an update monthly, Burrow Tunnel every 2 weeks. The most recent releases landed on September 15, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | Offline PDF Editor | Burrow Tunnel |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (10 ratings)](https://appshunter.io/ios/app/offline-pdf-editor-properpdf/id6760956540/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 weeks** |
| Monetization | Freemium | — |
| Size | 40 MB | 45 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 9+ |
| Developer | [CHIRANJEEVI PANDEY](https://appshunter.io/developer/1887013698) | [鑫 姜](https://appshunter.io/developer/1893112777) |

## What reviewers say

### Offline PDF Editor

[App page](https://appshunter.io/ios/app/offline-pdf-editor-properpdf/id6760956540)

This app offers a comprehensive suite of PDF editing tools that operate entirely offline on your device. It allows you to merge, split, compress, convert, sign, and fill PDFs without needing an internet connection or uploading your files to the cloud. An AI chat feature is also available for summarizing and querying your documents locally.

**Highlights:** 100% Offline PDF Editing, Merge, Split, Compress PDFs, Convert PDF to Image, Sign and Fill Forms, On-device AI Chat, Password Protection, Zero Cloud Uploads

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ProperPDF Pro — Weekly | $1.99 | per 7 days |
| ProperPDF Pro — Monthly | $3.99 | per month |
| ProperPDF Pro — Annual | $29.99 | per year |
| ProperPDF Pro - Lifetime Access | $79.99 | one-time |


### Burrow Tunnel

[App page](https://appshunter.io/ios/app/burrow-tunnel/id6764009166)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Burrow Pro | $14.99 | one-time |


## Frequently asked questions

### Is Offline PDF Editor free?

Offline PDF Editor is free to download, with in-app purchases available.

### Is Burrow Tunnel free?

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

### Do Offline PDF Editor or Burrow Tunnel have ads?

Neither Offline PDF Editor nor Burrow Tunnel shows ads.

### Which is updated more often, Offline PDF Editor or Burrow Tunnel?

Offline PDF Editor ships an update monthly, and Burrow Tunnel every 2 weeks. Most recently, Offline PDF Editor was updated on September 15, 2026 and Burrow Tunnel on September 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.*