Comparison

ClassNK Onboard Image Logger vs KR

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

Head to head
About

ClassNK Onboard Image Logger

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The mobile app. "Onboard Image Logger" simplifies the process of taking photos and videos of onboard conditions for the survey applicant (including crew members acting on the applicant's behalf) and sharing them with ClassNK, which enables close image information linkage between the ship and ClassNK. Details are as follows: Β  β—†Flow to Mobile Application Use After the survey application submitted by the applicant is accepted, the applicant will be notified (via email attachment) of an mobile app. guidance letter with a QR code for the survey where this mobile app. is considered acceptable to use. Please follow the instructions in the guidance letter to start using the mobile app. Β  β—†Sharing of photo and video data By reading the QR code embedded with information based on the survey application with the mobile app, the initial information is automatically entered, reducing the data entry work of the photographer. Once the QR code is scanned, a photo or video is taken, explanatory information is added, and once successfully transmitted, the information is shared with ClassNK.

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.

Screenshots

ClassNK Onboard Image Logger3 screens
KR4 screens

Verdict

The call

ClassNK Onboard Image Logger and KR are too close to call on the numbers: across 6 compared parameters β€” price, update cadence, ads and in-app purchases among them β€” neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

CostPrice Β· In-app purchases Β· Ads Β· Monetization

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

UpkeepUpdate frequency

ClassNK Onboard Image Logger ships an update every 9 months, KR every 17 months. The most recent releases landed on October 25, 2026 and October 18, 2026 respectively.

ScorecardNo meaningful differences
ClassNK Onboard Image Logger versus KR: the parameters behind the verdict, then further details
ParameterClassNK Onboard Image LoggerKR
PriceFreeFree
Update frequencyEvery 9 months β€” betterEvery 17 months
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPodiPhone, iPad, iPod β€” better
Requires iOS15.615.6
Further details β€” not scored
Size48 MB22 MB
Age rating4+4+
DeveloperNIPPON KAIJI KYOKAI GENERAL INCORPORATED FOUNDATIONKorean Register

In-app purchases

None

ClassNK Onboard Image Logger

No in-app purchases

None

KR

No in-app purchases

Questions

Is ClassNK Onboard Image Logger free?
ClassNK Onboard Image Logger is free to download, with no in-app purchases.
Is KR free?
KR is free to download, with no in-app purchases.
Do ClassNK Onboard Image Logger or KR have ads?
Neither ClassNK Onboard Image Logger nor KR shows ads.
Which is updated more often, ClassNK Onboard Image Logger or KR?
ClassNK Onboard Image Logger ships an update every 9 months, and KR every 17 months. Most recently, ClassNK Onboard Image Logger was updated on October 25, 2026 and KR on October 18, 2026.

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