Version history
ColRegs: Nav Lights & Shapes
52
ASO score
Text
74/100
Reviews
0/100
Graphic
60/100
Other
0/100
App Rating
2
Votes
22
App Age
14y
Last Update
Sep 22, 2020
Compare with Category Top Apps
|
Metrics
|
Current App
|
Category Top Average
|
Difference
|
|---|---|---|---|
|
Rating
|
2.04
|
4.56
|
-55%
|
|
Number of Ratings (Voted)
|
22
|
266.2K
|
-100%
|
|
App Age
|
13y 12m
|
9y 2m
|
+53%
|
|
Price
|
$4
|
$1
|
+576%
|
|
In-app Purchases Price
|
$0
|
$38
|
|
|
Update Frequency
|
1909d
|
65d
|
+2 815%
|
|
Title Length
|
28
|
24
|
+17%
|
|
Subtitle Length
|
23
|
27
|
-15%
|
|
Description Length
|
3 876
|
2 572
|
+51%
|
|
Number of Screenshots
|
564
|
1467
|
-62
%
|
|
Size
|
0MB
|
159MB
|
|
Category Ranking in United States
7 days
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Last 30 days
Last 90 days
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Last year
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| Top | Dec 06, 2025 | Dec 13, 2025 |
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| Top | Dec 06, 2025 | Dec 13, 2025 |
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| Top | Dec 06, 2025 | Dec 13, 2025 |
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No results were found!
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Ranking Keywords in United States
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Analyze this and other apps using Asolytics tools
Text ASO
Title
(
Characters:
28
of 30
)
ColRegs: Nav Lights & Shapes
Subtitle
(
Characters:
23
of 30
)
for Boating and Sailing
Description
(
Characters:
3876
of 4000
)
Quick learning & revision tool, over 100 graphics, for all seafarers - this sailing, boating & marine app provides all sailors, boaters & fishermen with essential quick reference knowledge to help them identify vessels and the activities they are engaged in, as specified by the ColRegs.
Whether out on the water or on shore, in daylight, darkness or poor visibility, simply open the app and search the rules in seconds to find the appropriate ColRegs rule and definition.
****
This application has been downloaded & used daily by thousands of seafarers in the USA, Great Britain, Australia, France, Canada, New Zealand & over 50 other countries
****
- No internet connection required.
- Simple, easy to use navigation for quick reference.
- Every rule & definition available at the touch of a finger.
- Expertly drawn illustrations accompanied by clear, concise descriptions of all the rules.
The app has 4 sections:
1. The Nav Lights section features graphics & descriptions of the lights that are displayed by different vessels at night.
2. The Day Shapes section features graphics & descriptions of the shapes that are displayed during daylight.
3. Three quiz Test Yourself section features multiple combinations of lights & shapes to test your knowledge.
4. The ColRegs section features the rules in full.
Use the Test Yourself section to check your knowledge and application of the rules. If you answer any incorrectly, go back and read through the rule again.
A good understanding of the ColRegs is essential for all people who go to sea in sailing and power boating craft. A candidate for Yachtmaster exams should be aiming to achieve at least 80% pass marks.
ColRegs Nav Lights & Shapes helps boaters identify the types of vessel and the activities they are engaged in at sea, as specified by the International Regulations for Preventing Collisions at Sea. This learning tool covers Part C: Lights and Shapes, Rules 20-31 of the ColRegs.
Our other app in this series: “ColRegs Rules Of The Road” covers "Steering & Sailing Rules" and "Sound and Light Signals" sections as specified in the IRPCS.
************ FEATURES and BENEFITS *******************
- Easy reference learning and revision tool for day skipper and similar courses worldwide
- Over 100 custom made graphics for a better visual experience
- Researched and produced by nautical and marine experts for accuracy
- Positively evaluated by professional pilots for reliability
- Interactive "Test Yourself" Section
A useful tool to assist Trainers and Trainees on Day Skipper and Yacht master Courses.
*********** ENDORSEMENTS FROM THE SAILING & BOATING COMMUNITY ***********
"I liked the general feel and simplicity of the ColRegs Rules of the Road app"
"Very easy to use, wish I'd had this when I was doing day skipper!"
"We run a training centre and these apps are a great aide memoire for our students."
"I have just downloaded and am using ColRegs Nav Lights & Shapes app, a brilliant training and reference device."
"I was so impressed with your Nav Lights app that I bought it and downloaded it immediately."
"I really like the colregs part of it and the way you have kept it completely in line with the IRPCS."
"I have deleted another app that I had in favour of yours."
"....excellent graphics, really first class clean design and accurate info..."
" Beautifully produced and very simple to use, a cool learning tool"
" Good app for anyone to use, especially when you are training for boatmaster, yachtmaster etc. Much easier than flip cards"
Boaters know that collision avoidance is made possible when boat operators know how to deal with situations appropriately.
OTHER APPS IN THE SERIES:
ColRegs: The Rules of the Road covers the "Steering and Sailing Rules"
and
"Sound and Light Signals" sections of the IRPCS IALA Buoys & Lights - covers both IALA Systems A & B}
Read more
Other
Additional Information
| Rating: | |
| Voted: | 22 |
| App Store Link: | |
| Price: | 3.99 $ |
| Website: | |
| Email: | - |
| Privacy Policy: | |
| Categories: | Navigation, Education |
| Size: | - |
| App Age: | 14 years |
| Release Date: | Dec 19, 2011 |
| Last Update: | Sep 22, 2020 |
| Version: | 1.0.1 |
Version history
1.0.1
Sep 22, 2020
- UI Enhancements
- Minor Bug Fixing
2.2
Mar 30, 2020
Fix bugs
