# OneHandShake vs SailorSoft Draft Survey Pro

The clearest difference is in-app purchases: OneHandShake at none against SailorSoft Draft Survey Pro's 1. OneHandShake also leads on iOS requirement (9.0 vs 15.1). SailorSoft Draft Survey Pro's advantage is update cadence (every 5 days vs every 5 weeks). 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. OneHandShake asks for nothing beyond the download.

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

## The numbers

| Metric | OneHandShake | 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 5 weeks | **Every 5 days** |
| Monetization | — | Free |
| Size | 62 MB | 122 MB |
| Requires iOS | **9.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [PSA Marine Pte Ltd](https://appshunter.io/developer/1361004640) | [MEDARDO JR BAJE](https://appshunter.io/developer/1887315859) |

## What reviewers say

### OneHandShake

[App page](https://appshunter.io/ios/app/onehandshake/id1468083732)

**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 OneHandShake free?

OneHandShake 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 OneHandShake or SailorSoft Draft Survey Pro have ads?

Neither OneHandShake nor SailorSoft Draft Survey Pro shows ads.

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

OneHandShake ships an update every 5 weeks, and SailorSoft Draft Survey Pro every 5 days. Most recently, OneHandShake 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.*