Comparison

Class surveyor 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

Class surveyor

Marine surveyor assistant

Free

💼 Business

No ratingsView app →

SailorSoft Draft Survey Pro

Offline cargo calculations

Free

💼 Business

★ 5.01 ratingsView app →

About

Class surveyor

Features

Read full description

Class surveyor - it's our new assistant app for surveyors, shipowners, UTM operators. Depending of ship age and type - our app will privide you scope of ship inspections and thickness measurements in accordance with IACS Requrements. App include LSA Code and SOLAS requirements for liferafts and lifeboats. Try to use our free app in your marine duties - it will help you!

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

Class surveyor4 screens

SailorSoft Draft Survey Pro4 screens

Verdict

The call

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.

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. Class surveyor asks for nothing beyond the download.

UpkeepUpdate frequency

Class surveyor ships an update every 7 months, SailorSoft Draft Survey Pro weekly. The most recent releases landed on September 10, 2026 and September 23, 2026 respectively.

Scorecard3 real differences · 6 level

Class surveyor versus SailorSoft Draft Survey Pro: the parameters behind the verdict, then further details
Parameter	Class surveyor	SailorSoft Draft Survey Pro
Price	Free	Free
Rating	—	5.0 (1 ratings) — better
Number of ratings	—	1 — better
Update frequency	Every 7 months	Weekly — better
Ads	No	No
In-app purchases	No — better	Yes
Monetization	—	Free
Devices	iPhone, iPad, iPod	iPhone, iPad, iPod
Requires iOS	11.0 — better	15.1
Further details — not scored
Size	58 MB	122 MB
Age rating	4+	4+
Developer	OLEKSANDR IZERGIN	MEDARDO JR BAJE

In-app purchases

None

Class surveyor

No in-app purchases

1 purchases

SailorSoft Draft Survey Pro

One-time1

Premium Lifetime Access$39.99

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 September 10, 2026 and SailorSoft Draft Survey Pro on September 23, 2026.