NS Docs vs Class surveyor
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
NS Docs
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Access your company documents with ease using the ABS Nautical Systems Docs mobile app. The App enables onboard and office mobile users quick and easy access to company-controlled documents when away from their computer. Key Features: • Integrated with NS Document Manager for NS Enterprise • Easy access to frequently used documents through Favorites • One-click-access to download physical documents on the device • Includes user specific “Quick Links” for simplified navigation • Designed to the familiar style of smartphone apps and tablets • Simplified user actions for adding document feedback, change request and document acknowledgment • Available in the cloud and works with NS Enterprise 6.5.11 We are committed to providing the most reliable customer service and product improvements based on your feedback. Connect with us at: www.abs-group.com/ns Disclosure NS Docs Mobile app functionality is available through an ABS Nautical Systems Enterprise subscription software license. Nautical Systems Enterprise puts the client in control of General Data Protection Regulation (GDPR) compliance by showing the client the location of potentially private data and allowing case by case determination for data handling. The software will contain functionality that enables clients to carry out their obligations under the GDPR, such as searching for personal data in comments, documents and attachments, utility for anonymization of crew records that contain personal data, and compiling reports in response to individuals’ requests for their personal data.
Class surveyor
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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
Verdict
The clearest difference is update cadence: Class surveyor at every 7 months against NS Docs's every 16 months. Class surveyor also leads on iOS requirement (11.0 vs 16.6). On price, ads, in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
NS Docs ships an update every 16 months, Class surveyor every 7 months. Both last shipped on September 10, 2026.
| Parameter | NS Docs | Class surveyor |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 16 months | Every 7 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.6 | 11.0 — better |
| Further details — not scored | ||
| Size | 54 MB | 58 MB |
| Age rating | 4+ | 4+ |
| Developer | ABS Nautical System LLC | OLEKSANDR IZERGIN |
In-app purchases
NS Docs
No in-app purchases
Class surveyor
No in-app purchases









