# Class surveyor vs SailorSoft Draft Survey Pro

The clearest difference is in-app purchases: Class surveyor at none against SailorSoft Draft Survey Pro's 1. Class surveyor also leads on iOS requirement (11.0 vs 15.1). SailorSoft Draft Survey Pro's advantage is update cadence (weekly vs every 7 months). On price, ads and device support there is nothing between them.

Both are free to download. SailorSoft Draft Survey Pro sells 1 one-off in-app purchase. Class surveyor asks for nothing beyond the download.

Class surveyor ships an update every 7 months, SailorSoft Draft Survey Pro weekly. The most recent releases landed on October 10, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Class surveyor | SailorSoft Draft Survey Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sailorsoft-draft-survey-pro/id6761015662/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Weekly** |
| Monetization | — | Free |
| Size | 58 MB | 122 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [OLEKSANDR IZERGIN](https://appshunter.io/developer/1678396126) | [MEDARDO JR BAJE](https://appshunter.io/developer/1887315859) |

## What reviewers say

### Class surveyor

[App page](https://appshunter.io/ios/app/class-surveyor/id6450609017)

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

**In-app purchases:** none


### 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 Class surveyor free?

Class surveyor is free to download, with no in-app purchases.

### Is SailorSoft Draft Survey Pro free?

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

### Do Class surveyor or SailorSoft Draft Survey Pro have ads?

Neither Class surveyor nor SailorSoft Draft Survey Pro shows ads.

### Which is updated more often, Class surveyor or SailorSoft Draft Survey Pro?

Class surveyor ships an update every 7 months, and SailorSoft Draft Survey Pro weekly. Most recently, Class surveyor was updated on October 10, 2026 and SailorSoft Draft Survey Pro on October 24, 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.*