Comparison

KR Directory vs ClassNK Onboard Image Logger

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

Head to head
About

KR Directory

Features
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The directory App is a useful app that allows you to easily find all your KR contacts. Em'cy call (emergency contact network), which is used when urgent contact is required to our Society due to an unexpected accident, etc. Location and contact information of KR offices that can receive service during flight, If applicable, you can easily receive information such as the contact information for the head office. κ·€ μ‚¬μ˜ μžμ‚°μΈ μ„ λ°•μ—μ„œ 뢈의의 사고 등이 λ°œμƒν•˜μ—¬ 우리 μ„ κΈ‰μœΌλ‘œ κΈ΄κΈ‰ν•œ 연락이 ν•„μš”ν•œ κ²½μš°μ— μ΄μš©ν•˜μ‹€ Em’cy call(비상연락망), μš΄ν•­μ€‘ μ„œλΉ„μŠ€λ₯Ό 받을 수 μžˆλŠ” KR μ‚¬λ¬΄μ‹€μ˜ μœ„μΉ˜ 및 μ—°λ½μ²˜, ν•΄λ‹Ήλ˜λŠ” 경우 λ³ΈλΆ€λ‹΄λ‹Ήμž μ—°λ½μ²˜ 등을 μ†μ‰½κ²Œ μ•ˆλ‚΄ λ°›μœΌμ‹€ 수 μžˆμŠ΅λ‹ˆλ‹€.

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.

Screenshots

KR Directory3 screens
ClassNK Onboard Image Logger3 screens

Verdict

The call

The clearest difference is iOS requirement: KR Directory at 11.0 against ClassNK Onboard Image Logger's 15.6. On price, update cadence, ads and in-app purchases there is nothing between them.

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

KR Directory ships an update every 6 months, ClassNK Onboard Image Logger every 9 months. The most recent releases landed on May 15, 2026 and September 20, 2026 respectively.

Scorecard1 real difference Β· 5 level
KR Directory versus ClassNK Onboard Image Logger: the parameters behind the verdict, then further details
ParameterKR DirectoryClassNK Onboard Image Logger
PriceFreeFree
Update frequencyEvery 6 months β€” betterEvery 9 months
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPodiPhone, iPod
Requires iOS11.0 β€” better15.6
Further details β€” not scored
Size24 MB47 MB
Age rating4+4+
DeveloperKorean RegisterNIPPON KAIJI KYOKAI GENERAL INCORPORATED FOUNDATION

In-app purchases

None

KR Directory

No in-app purchases

None

ClassNK Onboard Image Logger

No in-app purchases

Questions

Is KR Directory free?
KR Directory is free to download, with no in-app purchases.
Is ClassNK Onboard Image Logger free?
ClassNK Onboard Image Logger is free to download, with no in-app purchases.
Do KR Directory or ClassNK Onboard Image Logger have ads?
Neither KR Directory nor ClassNK Onboard Image Logger shows ads.
Which is updated more often, KR Directory or ClassNK Onboard Image Logger?
KR Directory ships an update every 6 months, and ClassNK Onboard Image Logger every 9 months. Most recently, KR Directory was updated on May 15, 2026 and ClassNK Onboard Image Logger on September 20, 2026.

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