Comparison

SSV Mobile vs ClassNK Onboard Image Logger

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

Head to head
About

SSV Mobile

Features
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◆Fleet Viewer Quickly understand your managed ships status with the Fleet Viewer. Visualize all your ships on the map and get more details about ship name, destination, ETA, and active route with a simple tap on the ship's icon. ◆Ship List Display Monitor all the ships under your management with the Ship List, displaying the ship name and the last received time of data. ◆Conning Display Utilize the Conning Display for sensor data, including latitude, longitude, and Speed Over Ground (SOG), as well as alert information. ◆Display for Track/ AIS / Voyage Information With the Display for track/ AIS / Voyage Information , visualize received track, AIS and Voyage information (route / user chart) on the map. ◆Emergency / Cross Track / BAM Alert Notifications Real-time notifications are provided for Emergency, Cross Track, and BAM Alerts occurring on managed ships. ◆Display for Emergency / Cross Track / BAM Alert history In case of Emergency, Cross Track, and BAM Alerts, get notifications of the situation. ◆Weather & Oceanographic Display Benefit from the Weather & Oceanographic Display, providing meteorological and oceanographic information such as wind speed and wave heights. ◆Chatting You can exchange messages in real time with this app, J-Marine NeCST onboard ships, and the Sail Assist app. It supports rapid communication during both normal operations and emergencies. ◆Navigational Warnings Display You can now display navigational warnings information on the map. ◆ECA Display You can now display ECA (Emission Control Area) on the map. 【Notes】 ・This app requires a separate Smart Ship Viewer (SSV) usage agreement. ・This app requires either J-Marine NeCST, J-Marine Box, or a VDR from JRC installed on the ship.

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:   ◆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.   ◆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

SSV Mobile4 screens
ClassNK Onboard Image Logger3 screens

Verdict

The call

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

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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

SSV Mobile ships an update every 6 months, ClassNK Onboard Image Logger every 9 months. The most recent releases landed on January 23, 2026 and September 20, 2026 respectively.

ScorecardNo meaningful differences
SSV Mobile versus ClassNK Onboard Image Logger: the parameters behind the verdict, then further details
ParameterSSV MobileClassNK Onboard Image Logger
PriceFreeFree
Update frequencyEvery 6 months — betterEvery 9 months
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS14.0 — better15.6
Further details — not scored
Size67 MB47 MB
Age rating4+4+
DeveloperJapan Radio Co., Ltd.NIPPON KAIJI KYOKAI GENERAL INCORPORATED FOUNDATION

In-app purchases

None

SSV Mobile

No in-app purchases

None

ClassNK Onboard Image Logger

No in-app purchases

Questions

Is SSV Mobile free?
SSV Mobile 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 SSV Mobile or ClassNK Onboard Image Logger have ads?
Neither SSV Mobile nor ClassNK Onboard Image Logger shows ads.
Which is updated more often, SSV Mobile or ClassNK Onboard Image Logger?
SSV Mobile ships an update every 6 months, and ClassNK Onboard Image Logger every 9 months. Most recently, SSV Mobile was updated on January 23, 2026 and ClassNK Onboard Image Logger on September 20, 2026.

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