Comparison

KARCO vs Sailor Decoded

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

Head to head

KARCO

Learning Management System

About

KARCO

Features

Read full description

We are the best in Online Maritime Training software solutions. Our products are 3D Animated Videos, TrACE LMS. KARCO pioneered the concept of using 3D Animation for creating safety & operation videos for the marine industry to effectively promulgate challenging yet important training concepts.

About

Sailor Decoded

An educational platform for seafarers to deepen their maritime knowledge. It provides expert-led courses, video lectures, and practice tests to prepare users for exams and enhance their skills.

Highlights

Expert-led courses
Learning bundles
Video lectures
Practice tests
Exam preparation

Features

Read full description

Merchant Navy Decoded is an educational platform designed for aspiring and professional seafarers to enhance their maritime knowledge and skills. The app offers expert-led courses, learning bundles, and video lectures covering various maritime topics. Users can also take practice tests and test series to evaluate their understanding and prepare for exams.

Screenshots

KARCO4 screens

Sailor Decoded4 screens

Verdict

The call

The clearest difference is in-app purchases: KARCO at none against Sailor Decoded's 10. KARCO also leads on update cadence (every 3 days vs every 2 months). On price, ads, device support and iOS requirement 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. Sailor Decoded sells 10 one-off in-app purchases. KARCO asks for nothing beyond the download.

UpkeepUpdate frequency

KARCO ships an update every 3 days, Sailor Decoded every 2 months. The most recent releases landed on September 19, 2026 and September 22, 2026 respectively.

Scorecard2 real differences · 6 level

KARCO versus Sailor Decoded: the parameters behind the verdict, then further details
Parameter	KARCO	Sailor Decoded
Price	Free	Free
Positive reviews	—	0.0% of reviews
Update frequency	Every 3 days — better	Every 2 months
Ads	No	No
In-app purchases	No — better	Yes
Monetization	—	Free with in-app purchases
Devices	iPhone, iPod	iPhone, iPad, iPod — better
Requires iOS	15.1	15.1
Further details — not scored
Size	34 MB	83 MB
Age rating	17+	4+
Developer	Karishma Marine Soultions Private Limited	Praneet Mehta

In-app purchases

None

KARCO

No in-app purchases

10 purchases

Sailor Decoded

One-time10

GP Rating Achiever$19.99
COLREG- A Complete Guide...$24.99
GP RATING EXCELLENCE PACKAGE$29.99

Show 7 more

Deck Cadet Package$59.99
MEO CLASS 1 PACKAGE$59.99
B.Tech Marine Engineering Campus...$59.99
MEO CLASS 2 EXCELLENCE PACKAGE$59.99
ETO ASPIRANT EXCELLENCE PACKAGE$59.99
ETO COC EXCELLENCE PACKAGE$59.99
MEO CLASS 4 PACKAGE$59.99

Questions

Is KARCO free?

KARCO is free to download, with no in-app purchases.

Is Sailor Decoded free?

Sailor Decoded is free to download, with in-app purchases available.

Do KARCO or Sailor Decoded have ads?

Neither KARCO nor Sailor Decoded shows ads.

Which is updated more often, KARCO or Sailor Decoded?

KARCO ships an update every 3 days, and Sailor Decoded every 2 months. Most recently, KARCO was updated on September 19, 2026 and Sailor Decoded on September 22, 2026.