NS Superintendent vs UniSea Maintenance
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
NS Superintendent
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Manage your fleet with confidence using the Nautical Systems® Superintendent mobile app. The App enables efficient workflow by giving superintendents and managers control over work and approvals so critical work doesn’t have to wait for someone to return to the office. Day-to-Day Operations Ready: • Quickly approve purchase orders, request for quotes, work order deferrals and job safety (risk analysis • Easily locate vessels with built-in locator • NS messaging included • Designed to the familiar style of smartphone apps – reducing training needs • Minimal upfront investment required • Available in the cloud We are committed to providing the most reliable customer service and product improvements based on your feedback. Connect with us at: www.linkedin.com/company/abs-nautical-systems/ Disclosure NS Superintendent 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 a 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, a utility for anonymization of crew records that contain personal data, and compiling reports in response to individuals’ requests for their personal data.
UniSea Maintenance
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UniSea Maintenance gives ship crew a fast, reliable way to handle maintenance work orders – even when there’s no internet at sea. Browse work, download everything you need for offline use, complete the job, and the app will automatically sync back to UniSea once you’re online again. No more handwritten notes, no double entry, and no lost information between ship and shore.
Screenshots
Verdict
NS Superintendent and UniSea Maintenance 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
NS Superintendent ships an update every 3 months, UniSea Maintenance every 2 months. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.
| Parameter | NS Superintendent | UniSea Maintenance |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.6 | 16.4 — better |
| Further details — not scored | ||
| Size | 59 MB | 62 MB |
| Age rating | 4+ | 4+ |
| Developer | ABS Nautical System LLC | Unisea AS |
In-app purchases
NS Superintendent
No in-app purchases
UniSea Maintenance
No in-app purchases
Questions
Is NS Superintendent free?
Is UniSea Maintenance free?
Do NS Superintendent or UniSea Maintenance have ads?
Which is updated more often, NS Superintendent or UniSea Maintenance?
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