Comparison

Seabook Maritime vs MLS eCampus

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

Head to head
About

Seabook Maritime

This app provides essential maritime information for seafarers and shore-based professionals. It serves as an offline reference for ship stability, navigation, regulations, and marine engineering, aiding in safer seas and cleaner waters.

Highlights
  • COLREG regulations
  • GMDSS information
  • Marine engineering details
  • Navigation at sea
  • Ship stability calculations
  • Shipboard safety guidelines
Features
Read full description

Seabook serves as a key information source for seafarers and shore-based employees to promote safer seas and cleaner waters. This easy-to-use, accessible-offline mobile app serves as a reference tool for key elements of Ship stability, Navigation, COLREG and Marine engineering, and is designed for seafarers, cadets, maritime students and master mariners alike. Seabook contains details on; 1) COLREG (International Regulations for Preventing Collisions at Sea) 2) GMDSS (Global Maritime Distress and Safety System) 3) International Code of Signals 4) Marine Engineering 5) Marine Meteorology 6) Shipboard Safety 7) Health at Sea 8) Life Saving Appliances 9) Shipmanagement and Business 10) Navigation at Sea 11) Ship Stability 12) Country Flags 13) Ropework 14) Knots 15) more and more enriched contents ...

About

MLS eCampus

Access mobile-friendly courses, lectures, audio, videos, and graphics to prepare for exams. Track progress with quizzes and download study materials for offline use. Improve boating knowledge or earn licenses on the go.

Highlights
  • Mobile-friendly courses
  • Access lectures, audio, video, graphics
  • Quiz feedback and progress tracking
  • Downloadable study aids
  • Offline content access
  • License preparation
Read full description

Mariners Learning System | Anywhere. Any Time. Any Device. Enhance your learning experience with our mobile-friendly courses - The MLS App provides you with the knowledge and tools needed to study for your exam. You can access lectures, audio, videos, and graphics depending on the course you are enrolled in. Get feedback on your quizzes and mark your progress so you can set yourself up for success when you’re ready to take the proctored exam. Download audio, eBooks, and additional study aids to your device. As an additional convenience, you can access content offline while commuting or when your Internet connection is unstable, even on an aeroplane! Make your breaks more productive, learn during your downtime, and discover what steps you need to make to improve your boating knowledge or earn your USCG or FCC license. The MLS app makes it easy to learn your way on the go. * While the mobile app is a great asset throughout your educational journey, students CANNOT take the final proctored exam on a mobile device.

Screenshots

Seabook Maritime4 screens
MLS eCampus4 screens

Verdict

The call

The clearest difference is review sentiment: Seabook Maritime at 79% against MLS eCampus's 0%. Seabook Maritime also leads on rating (4.5 vs 1.8) and iOS requirement (13.0 vs 15.0). On price, ratings volume, update cadence and ads 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.

ReceptionRating · Positive reviews · Number of ratings

Seabook Maritime holds the better App Store score, 4.5 against 1.8. Both are backed by a comparable volume of ratings — 19 and 13 respectively. Written reviews point the same way: 79% of Seabook Maritime's written reviews are positive against 0% of MLS eCampus's.

UpkeepUpdate frequency

Seabook Maritime ships an update every 16 months, MLS eCampus every 13 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

Scorecard3 real differences · 7 level
Seabook Maritime versus MLS eCampus: the parameters behind the verdict, then further details
ParameterSeabook MaritimeMLS eCampus
PriceFreeFree
Rating4.5 (19 ratings) — better1.8 (13 ratings)
Positive reviews79.1% of reviews — better0.0% of reviews
Number of ratings19 — better13
Update frequencyEvery 16 monthsEvery 13 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better15.0
Further details — not scored
Size36 MB74 MB
Age rating4+4+
DeveloperOzgur GUNESMariners School, Inc.

Customer experience

Seabook Maritime

All ratings19 ratings
Positive89.5%
Neutral5.3%
Negative5.3%
Written reviews43 reviews
Positive79.1%
Neutral2.3%
Negative18.6%

MLS eCampus

All ratings13 ratings
Positive15.4%
Neutral0.0%
Negative84.6%
Written reviews5 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

Seabook Maritime

No in-app purchases

None

MLS eCampus

No in-app purchases

Questions

Is Seabook Maritime free?
Seabook Maritime is free to download, with no in-app purchases.
Is MLS eCampus free?
MLS eCampus is free to download, with no in-app purchases.
Which has better reviews, Seabook Maritime or MLS eCampus?
Seabook Maritime is rated higher. Seabook Maritime averages 4.5 out of 5 from 19 ratings, while MLS eCampus averages 1.8 from 13 ratings.
Do Seabook Maritime or MLS eCampus have ads?
Neither Seabook Maritime nor MLS eCampus shows ads.
Which is updated more often, Seabook Maritime or MLS eCampus?
Seabook Maritime ships an update every 16 months, and MLS eCampus every 13 months. Most recently, Seabook Maritime was updated on November 1, 2026 and MLS eCampus on November 3, 2026.

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