# PDF Scanner vs SailorSoft Draft Survey Pro

The clearest difference is price: SailorSoft Draft Survey Pro at Free against PDF Scanner's $0.99. SailorSoft Draft Survey Pro also leads on update cadence (every 5 days vs every 2 months) and rating (5.0 vs 4.8). PDF Scanner's advantage is ratings volume (4 vs 1). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

SailorSoft Draft Survey Pro is free to download; PDF Scanner costs $0.99 up front. PDF Scanner sells 1 one-off in-app purchase and SailorSoft Draft Survey Pro sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

SailorSoft Draft Survey Pro holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 4 and 1 respectively.

PDF Scanner ships an update every 2 months, SailorSoft Draft Survey Pro every 5 days. The most recent releases landed on October 26, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | PDF Scanner | SailorSoft Draft Survey Pro |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [4.8 (4 ratings)](https://appshunter.io/ios/app/pdf-scanner-date-stamp/id957061929/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sailorsoft-draft-survey-pro/id6761015662/reviews)** |
| Number of ratings | **4** | 1 |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 days** |
| Monetization | Freemium | **Free** |
| Size | 13 MB | 122 MB |
| Requires iOS | 15.8 | **15.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [华芳 张](https://appshunter.io/developer/586041482) | [MEDARDO JR BAJE](https://appshunter.io/developer/1887315859) |

## What reviewers say

### PDF Scanner

[App page](https://appshunter.io/ios/app/pdf-scanner-date-stamp/id957061929)

Easily convert paper documents and photos into stamped PDF files. Add dates, times, notes, and location data to your scans for clear context. Organize, edit, and share your PDFs efficiently.

**Highlights:** Scan documents with camera, Import photos to PDF, Add date and time stamps, Add custom notes and location stamps, Crop, rotate, and reorder pages, Apply filters, Share via Mail, Files, AirDrop

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PDF Scanner Pro | $5.99 | one-time |


### SailorSoft Draft Survey Pro

[App page](https://appshunter.io/ios/app/sailorsoft-draft-survey-pro/id6761015662)

This application assists marine professionals with offline cargo calculations. It provides essential tools for draft surveys, helping to determine vessel displacement and cargo weight accurately. Designed for efficiency at sea, it ensures reliable data processing without internet access.

**Highlights:** Offline cargo calculations, Draft survey assistance, Vessel displacement determination, Cargo weight calculation, Reliable data processing

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Lifetime Access | $39.99 | one-time |


## Frequently asked questions

### Is PDF Scanner free?

PDF Scanner costs $0.99, and also offers in-app purchases.

### Is SailorSoft Draft Survey Pro free?

SailorSoft Draft Survey Pro is free to download, with in-app purchases available.

### Which has better reviews, PDF Scanner or SailorSoft Draft Survey Pro?

SailorSoft Draft Survey Pro is rated higher. PDF Scanner averages 4.8 out of 5 from 4 ratings, while SailorSoft Draft Survey Pro averages 5.0 from 1 ratings.

### Do PDF Scanner or SailorSoft Draft Survey Pro have ads?

Neither PDF Scanner nor SailorSoft Draft Survey Pro shows ads.

### Which is updated more often, PDF Scanner or SailorSoft Draft Survey Pro?

PDF Scanner ships an update every 2 months, and SailorSoft Draft Survey Pro every 5 days. Most recently, PDF Scanner was updated on October 26, 2026 and SailorSoft Draft Survey Pro on October 28, 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.*