NS Workboat vs UniSea Maintenance
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
NS Workboat
This app helps manage vessel operations and ensure compliance with maritime regulations. It offers checklist-based functionality for audits, inspections, and daily tasks, with offline capabilities and data syncing for smarter operational decisions.
- Checklist-based inspections and audits
- Offline data capture and syncing
- Crew sign-on/sign-off management
- Maintenance and compliance task tracking
- Hazardous condition reporting
- Equipment history and inventory management
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Manage your fleet with confidence using the Nautical Systems® Workboat mobile app. The app enables operational compliance from day one with checklist based functionality, one-stop audit support and limited training requirements Compliant with all Subchapter M compliance options: USCG | TSMS | RCP | ISM Compliant with OSV – OVID (OVIQ) + IMCA DSV, DIVING, DP vessels- IMCA ISM, STCW TMSA, OCIMF SIRE, BIQ Data captured on board for compliance can also provide valuable insights in the office, leading to smarter operational decisions and improved performance. 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 • Maintenance and Compliance tasks • 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 • Maintain electronic towing vessel record • Manage visitors • Critical equipment lists and its job history We are committed to providing the most reliable customer service and product improvements based on your feedback. Disclosure NS Workboat 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.
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 Workboat 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.
Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 4, 2026 and October 15, 2026 respectively.
| Parameter | NS Workboat | UniSea Maintenance |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 2 months | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.6 | 16.4 — better |
| Further details — not scored | ||
| Size | 88 MB | 62 MB |
| Age rating | 4+ | 4+ |
| Developer | ABS Nautical System LLC | Unisea AS |
In-app purchases
NS Workboat
No in-app purchases
UniSea Maintenance
No in-app purchases








