Comparison

Master 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

Master

Learn maritime navigation rules with an interactive system designed for effective retention. This app breaks down complex regulations into manageable sections with visual aids and mnemonics. It revisits incorrect answers and provides instant graphical feedback, making the learning process intuitive and efficient.

Highlights
  • Interactive learning system
  • Step-by-step rule guidance
  • Mnemonics and memory aids
  • Interactive visuals
  • Graphical feedback on answers
  • Practice section with progress tracking
Features
Read full description

Master-Nav is a progressive COLREGS learning system developed by a Master Mariner. The COLREGS are notoriously difficult to learn and retain — Master-Nav makes it significantly easier through an interactive system built around how your brain actually works. Instead of guessing through random question banks, Master-Nav guides you step by step through every rule from start to finish. Wrong answers are revisited until the rules stick — properly. Complex regulations are broken down into learnable chunks — bite-sized sections supported by mnemonics, memory aids and interactive visuals designed around how the brain actually retains information. Every incorrect answer is shown graphically alongside the correct one — immediately clear, no confusion. And with a single tap, the relevant COLREGS rule is accessible from any question at any time. Master-Nav covers COLREGS Parts A to D — General, Steering & Sailing, Lights & Shapes and Sound & Light Signals — plus Annex IV Distress Signals. Over 1000 questions in multiple formats, with a dedicated Practice Section that tracks right, wrong and unanswered so you always know where to focus. COLREGS — the easy way.

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

Master4 screens
MLS eCampus4 screens

Verdict

The call

The clearest difference is review sentiment: Master at 97% against MLS eCampus's 0%. Master also leads on rating (4.7 vs 1.6) and update cadence (fortnightly vs every 15 months). MLS eCampus's advantage is price (Free vs $1.99) and iOS requirement (13.0 vs 15.0). On 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

MLS eCampus is free to download; Master costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Master holds the better App Store score, 4.7 against 1.6. That said, the two scores are not equally well evidenced: Master has 94 ratings behind it against 10, so its average is the more settled of the two. Written reviews point the same way: 97% of Master's written reviews are positive against 0% of MLS eCampus's.

UpkeepUpdate frequency

Master ships an update fortnightly, MLS eCampus every 15 months. The most recent releases landed on September 22, 2026 and June 11, 2026 respectively.

Scorecard7 real differences · 3 level
Master versus MLS eCampus: the parameters behind the verdict, then further details
ParameterMasterMLS eCampus
Price$1.99Free — better
Rating4.7 (94 ratings) — better1.6 (10 ratings)
Positive reviews96.9% of reviews — better0.0% of reviews
Number of ratings94 — better10
Update frequencyFortnightly — betterEvery 15 months
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFree — better
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.013.0 — better
Further details — not scored
Size117 MB72 MB
Age rating4+4+
DeveloperPeterjohn ChisholmMariners School Inc.

Customer experience

Master

All ratings94 ratings
Positive94.7%
Neutral2.1%
Negative3.2%
Written reviews32 reviews
Positive96.9%
Neutral3.1%
Negative0.0%

MLS eCampus

All ratings10 ratings
Positive10.0%
Neutral0.0%
Negative90.0%
Written reviews5 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

Master

No in-app purchases

None

MLS eCampus

No in-app purchases

Questions

Is Master free?
Master costs $1.99, with no in-app purchases.
Is MLS eCampus free?
MLS eCampus is free to download, with no in-app purchases.
Which has better reviews, Master or MLS eCampus?
Master is rated higher. Master averages 4.7 out of 5 from 94 ratings, while MLS eCampus averages 1.6 from 10 ratings.
Do Master or MLS eCampus have ads?
Neither Master nor MLS eCampus shows ads.
Which is updated more often, Master or MLS eCampus?
Master ships an update fortnightly, and MLS eCampus every 15 months. Most recently, Master was updated on September 22, 2026 and MLS eCampus on June 11, 2026.

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