Comparison

KR vs Class surveyor

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

Head to head
About

KR

Features
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- KR-CON, developed by Korean Register, is a comprehensive IMO Convention Database containing IMO Conventions, Codes, Resolutions and Circulars in English, Korean and Chinese. - KR-CON is a portable electronic database containing a vast array of IMO instruments. It enables users to navigate the maze of IMO instruments swiftly and accurately through a variety of user-friendly functions. Users can browse the contents with the touch of a screen, and identify the regulations applicable to an individual ship simply by inputting its details. An intelligent search function allows specific contents to be found easily and quickly. - Who benefits from KR-CON? Maritime Administrations(PSCO) Shipping Companies and Seafarers Classification Societies Ship-builders Service Suppliers Training Institutes Academic Institutions - IMO approval of the carriage of publications in electronic form The Marine Environment Protection Committee (MEPC) and the Maritime Safety Committee (MSC) have approved MSC-MEPC.2 /Circ.2 which allows vessels to carry electronic media onboard instead of hard copy documents. This means that KR-CON can now be used onboard ship. KR-CON has also been recognized as an electronic version of IMO instruments by the 29 maritime administrations including Republic of Korea, Panama, Marshall Islands, Cyprus, Australia, Liberia, St. Vincent and the Grenadines, Isle of Man, and others.

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!

Screenshots

KR4 screens
Class surveyor4 screens

Verdict

The call

The clearest difference is update cadence: Class surveyor at every 7 months against KR's every 17 months. Class surveyor also leads on iOS requirement (11.0 vs 15.6). On price, ads, in-app purchases and device support there is nothing between them.

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

KR ships an update every 17 months, Class surveyor every 7 months. The most recent releases landed on October 17, 2026 and October 10, 2026 respectively.

Scorecard2 real differences ยท 4 level
KR versus Class surveyor: the parameters behind the verdict, then further details
ParameterKRClass surveyor
PriceFreeFree
Update frequencyEvery 17 monthsEvery 7 months โ€” better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.611.0 โ€” better
Further details โ€” not scored
Size22 MB58 MB
Age rating4+4+
DeveloperKorean RegisterOLEKSANDR IZERGIN

In-app purchases

None

KR

No in-app purchases

None

Class surveyor

No in-app purchases

Questions

Is KR free?
KR is free to download, with no in-app purchases.
Is Class surveyor free?
Class surveyor is free to download, with no in-app purchases.
Do KR or Class surveyor have ads?
Neither KR nor Class surveyor shows ads.
Which is updated more often, KR or Class surveyor?
KR ships an update every 17 months, and Class surveyor every 7 months. Most recently, KR was updated on October 17, 2026 and Class surveyor on October 10, 2026.

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