Brandwave

DockMaster vs OpenCPN:Which is more popular?

In September 2026, OpenCPN had more branded searches than DockMaster among marine software worldwide. OpenCPN had about 8,100 branded searches, while DockMaster had 2,900. OpenCPN made up 0.2% of all marine software searches we track, and DockMaster accounted for 0.07%. When we asked ChatGPT and Google AI Overviews about marine software, DockMaster appeared in three of the five answers and OpenCPN in two.

Among marine software worldwide in September 2026

Who do people search for more?

OpenCPN, about 3 searches for every 1 for DockMaster

OpenCPN 8.1K searchesDockMaster 2.9K searches

Who does AI mention more?

DockMaster, mentioned in 3 of 5 answers, OpenCPN in 2

DockMaster in 3 of 5OpenCPN in 2 of 5

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Top marine software in ChatGPT and Google AI Overviews

In three ChatGPT questions and two Google AI Overviews, DockMaster was mentioned in three out of five: in two of the three ChatGPT answers and in one of the two Google AI Overviews. OpenCPN was mentioned in two out of five: in one of the three ChatGPT answers and in one of the two Google AI Overviews.

Most recommended by AI

Brands get a higher ranking if they are mentioned earlier in the answers.

  1. MarineTraffic1st
  2. VesselFinder2nd
  3. Navionics3rd
  4. OpenCPN4th
  5. DockMaster5th
  6. Kpler5th
  7. Signal Ocean–
  8. SERTICA–
  9. Windward–
  10. DNV ShipManager–

Mentioned by AI

Each dot is one answer, filled in when that answer mentions the brand.

  • DockMaster3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • MarineTraffic2 of 5Named in 1 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • VesselFinder2 of 5Named in 1 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Navionics2 of 5Named in 1 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • OpenCPN2 of 5Named in 1 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • SERTICA2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • DNV ShipManager2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Kpler1 of 5Named in 1 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Signal Ocean0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Windward0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers

See every answer about marine software

5 answers

Not named in any answer:

Brands are shown in the order each answer named them. The survey took place in the United States on October 21, 2026.

Is DockMaster or OpenCPN more popular in search?

This chart shows how often people search Google for DockMaster and OpenCPN by name. Each line represents a brand's share of searches for all ten marine software we track, month by month, from English-language searches worldwide.

DockMaster and OpenCPN among marine software worldwide, by month

Share of searches by month for OpenCPN, DockMaster. The figures are in the table below the chart.

View monthly share of searches table
MonthMarineTrafficVesselFinderNavionicsOpenCPNSignal OceanSERTICADockMasterWindwardKplerDNV ShipManager
Oct 202584.1%13.8%1.5%0.25%0.14%0.11%0.09%0.02%<0.01%<0.01%
Nov 202584%13.8%1.5%0.3%0.13%0.13%0.09%0.02%<0.01%<0.01%
Dec 202584%13.8%1.5%0.3%0.13%0.16%0.11%0.02%<0.01%<0.01%
Jan 202684.1%13.8%1.5%0.25%0.13%0.11%0.11%0.02%<0.01%<0.01%
Feb 202686.3%11.6%1.6%0.25%0.14%0.11%0.08%0.02%<0.01%<0.01%
Mar 202686.8%11.7%1.1%0.21%0.11%0.08%0.06%0.02%<0.01%<0.01%
Apr 202688.8%9.8%1.1%0.18%0.08%0.05%0.05%0.01%<0.01%<0.01%
May 202683.8%13.8%1.9%0.25%0.11%0.07%0.09%0.01%<0.01%<0.01%
Jun 202683.9%13.8%1.9%0.25%0.11%0.07%0.07%0.01%<0.01%<0.01%
Jul 202683.9%13.8%1.9%0.25%0.11%0.07%0.07%0.01%<0.01%<0.01%
Aug 202686.6%11.6%1.3%0.21%0.09%0.08%0.06%0.01%<0.01%<0.01%
Sep 202684.6%13.9%1%0.2%0.11%0.09%0.07%0.01%<0.01%<0.01%

How has the DockMaster and OpenCPN comparison changed over the last 12 months?

3 findings
  • OpenCPN was ahead of DockMaster in every measured month of the 12 months ending September 2026.
  • Across the 12 months ending September 2026, DockMaster’s share of searches among marine software worldwide moved from 0.09% to 0.07%, and its estimated monthly branded searches held steady at 2.9K.
  • Across the 12 months ending September 2026, OpenCPN’s share of searches among marine software worldwide moved from 0.25% to 0.2%, and its estimated monthly branded searches held steady at 8.1K.

How did search popularity change for marine software worldwide in September 2026?

0 changes

Neither DockMaster nor OpenCPN moved beyond provider rounding among marine software in September 2026.

How are branded searches counted?

2 search terms

Brandwave collects information about searches that people make online using DockMaster’s and OpenCPN’s names. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brands is growing, holding steady, or fading.

DockMaster

1 branded search term

  • dockmaster

OpenCPN

1 branded search term

  • opencpn

How the Brand Demand Index is measured

Other head-to-heads among marine software

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