Comparison

NS Vessel vs DeliveryOS

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

Head to head
About

NS Vessel

Features
Read full description

Manage your fleet with confidence with the Nautical Systems® Vessel mobile app. The App enables crew mobility on board blue-water vessels, allowing efficiency while performing daily tasks, inspections and checklists. Compliant with OSV – OVID (OVIQ) + IMCA DSV, DIVING, DP vessels- IMCA ISM, STCW TMSA, OCIMF SIRE, BIQ Subchapter M Intuitive Functionality: • Scales with organization • Easy data entry onboard • Works in offline mode; syncs to onboard server • Crew Sign-on and Sign-off Day-to-Day Operations Ready: • Supports work order completions, audit inspections, checklist-based inspections, on-board meetings and drills, audits, sign-on and sign-off crew and document delivery • Easy-to-view maintenance and compliance tasks o Planned and unplanned work orders, audits, inspections, meetings, drills, running hours entry task, inventory count task • HSQE with questionnaire and checklist support • Identify critical equipment history for inspections and audits • Reporting on hazardous conditions, inspections and equipment failures • Update key operational information such as equipment running hours and spares inventory • Machinery failure reporting • Create new work orders, inspections, meetings, drill and safety observations • Capture visitor log information • Critical equipment list and its job history • Manage visitors We are committed to providing the most reliable customer service and product improvements based on your feedback. Disclosure NS Vessel 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.

About

DeliveryOS

Features
Read full description

DeliveryOS is now available for FacilityOS customers as a dedicated mobile app. Built specifically for mailroom and logistics teams, the app simplifies package intake and pickup workflows, helping you log deliveries quickly and notify recipients in real time. With only DeliveryOS features included, this app offers a focused, distraction-free experience. Key Features: Scan & Edit: Scan individual shipping labels and capture parcel data. Bulk Scan: Log multiple parcels quickly in one go. Log Freight Shipment: Capture large or consolidated shipments Pick Up Parcel: Search recipients, confirm handoff, and capture signatures. Site Switching: Easily switch between authorized sites using the site selector.

Screenshots

NS Vessel4 screens
DeliveryOS4 screens

Verdict

The call

The clearest difference is update cadence: NS Vessel at every 2 months against DeliveryOS's every 6 months. DeliveryOS's advantage is iOS requirement (13.0 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

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

NS Vessel ships an update every 2 months, DeliveryOS every 6 months. The most recent releases landed on November 2, 2026 and October 30, 2026 respectively.

Scorecard2 real differences · 4 level
NS Vessel versus DeliveryOS: the parameters behind the verdict, then further details
ParameterNS VesselDeliveryOS
PriceFreeFree
Update frequencyEvery 2 months — betterEvery 6 months
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPadiPhone, iPod
Requires iOS16.613.0 — better
Further details — not scored
Size88 MB36 MB
Age rating4+4+
DeveloperABS Nautical System LLCAppGear

In-app purchases

None

NS Vessel

No in-app purchases

None

DeliveryOS

No in-app purchases

Questions

Is NS Vessel free?
NS Vessel is free to download, with no in-app purchases.
Is DeliveryOS free?
DeliveryOS is free to download, with no in-app purchases.
Do NS Vessel or DeliveryOS have ads?
Neither NS Vessel nor DeliveryOS shows ads.
Which is updated more often, NS Vessel or DeliveryOS?
NS Vessel ships an update every 2 months, and DeliveryOS every 6 months. Most recently, NS Vessel was updated on November 2, 2026 and DeliveryOS on October 30, 2026.

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