Comparison

OneHandShake vs SailorSoft Draft Survey Pro

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head

SailorSoft Draft Survey Pro

Offline cargo calculations

Free

💼 Business

★ 5.01 ratingsView app →

About

OneHandShake

Read full description

Has the Pilot boarded the vessel? Has the bunker barge arrived? The OneHandShake app aims to equip agents, surveyors and all concerned parties with information and real time updates of the activities surrounding a vessel in the Port of Singapore.

About

SailorSoft Draft Survey Pro

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

Read full description

Marine Draft Survey Application

Screenshots

OneHandShake4 screens

SailorSoft Draft Survey Pro4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

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.

Scorecard3 real differences · 6 level

OneHandShake versus SailorSoft Draft Survey Pro: the parameters behind the verdict, then further details
Parameter	OneHandShake	SailorSoft Draft Survey Pro
Price	Free	Free
Rating	—	5.0 (1 ratings) — better
Number of ratings	—	1 — better
Update frequency	Every 5 weeks	Every 5 days — better
Ads	No	No
In-app purchases	No — better	Yes
Monetization	—	Free
Devices	iPhone, iPad, iPod	iPhone, iPad, iPod
Requires iOS	9.0 — better	15.1
Further details — not scored
Size	62 MB	122 MB
Age rating	4+	4+
Developer	PSA Marine Pte Ltd	MEDARDO JR BAJE

In-app purchases

None

OneHandShake

No in-app purchases

1 purchases

SailorSoft Draft Survey Pro

One-time1

Premium Lifetime Access$39.99

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.