Comparison

SEAiq vs VoyLog

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

Head to head
About

SEAiq

This marine navigation app offers comprehensive charting tools, allowing users to load various chart formats and automatically download NOAA charts for the US. It includes features like waypoints, routes, tracks, weather overlays, and NMEA/AIS integration for enhanced seafaring.

Highlights
  • Load custom charts (S-57, S-63, BSB, KAP)
  • Automatic NOAA chart downloads (US)
  • Waypoint and route planning
  • Track recording and display
  • Night color modes
  • Anchor alarm
  • Weather overlays (wind & isobar)
  • NMEA and AIS integration
Read full description

SEAiq is a full-featured marine navigation app. It lets you load your own charts in standard formats, including S-57, S-63, iENC, BSB, and KAP. It also automatically downloads charts from NOAA for the United States. Features include: * Waypoints * Routes * Tracks * Night color modes * Anchor alarm * Automatic download and display of weather (wind & isobar) * Chart measuring tools (EBL/VRM) * Wi-Fi-based NMEA and AIS No purchase is required to view charts. Premium navigation features are enabled during a 7-day evaluation period. After that, an annual subscription is required. Existing one-time purchases retain the features they unlocked. Continued use of GPS running in the background can dramatically decrease battery life. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

VoyLog

Features
Read full description

VoyLog is the fastest way for ship captains and officers to create professional voyage log emails. Fill a simple form with position, time, bunkers, cargo, drafts and ETA — and VoyLog builds a clean, office-ready report you can send from your own mail app in seconds. No typing long reports, no formatting mistakes. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://trmyindustry.com/voylog-privacy.html FEATURES • Create a complete voyage report in about 30 seconds • Auto-fill your vessel's position with GPS • Track positions, routes, fuel, cargo, drafts and ETAs • The Lane: follow your vessels on a live marine map, built from the reports you send • Analytics: turn your reports into voyage insights, all in one place • Clean, professional emails ready to send VoyLog is completely free to use. Upgrade to VoyLog Pro for advanced analytics and more.

Screenshots

SEAiq2 screens
VoyLog4 screens

Verdict

The call

The clearest difference is update cadence: VoyLog at every 4 days against SEAiq's every 2 weeks. On price, 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

Both are free to download. SEAiq sells 2 in-app purchases, starting at $15.00 per year and VoyLog sells 1 in-app purchase, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

SEAiq ships an update every 2 weeks, VoyLog every 4 days. The most recent releases landed on November 6, 2026 and November 5, 2026 respectively.

Scorecard1 real difference · 9 level
SEAiq versus VoyLog: the parameters behind the verdict, then further details
ParameterSEAiqVoyLog
PriceFreeFree
Rating4.7 (194 ratings) — better—
Positive reviews61.3% of reviews—
Number of ratings194 — better—
Update frequencyEvery 2 weeksEvery 4 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size54 MB56 MB
Age rating4+4+
DeveloperSakhalinMETRICS TR DANISMANLIK VE DIS TICARET ANONIM SIRKETI

Bugs and requests

SEAiq

Reported bugs

4 issues
  • No access to premium features after payment
  • Chart downloads fail if app is not on screen
  • App freezes when trying to delete
  • App crashes

Requested features

13 requests
  • Simplify course plotting
  • Add support for .MBTiles
  • Add VMG feature
  • Add support for .MBTiles
  • Add support for .MBTiles
Show 8 more
  • Allow selection of discreet chart areas
  • Add GPS data from TCP/IP source
  • Allow disabling internal GPS
  • Provide good integration/complement to OpenCpn
  • Provide TCP/IP support for NMEA data
  • Broadcast waypoint and NMEA data to external systems
  • Lower price for waypoints creation
  • Allow using purchased charts across devices

VoyLog

Not enough reviews yet to summarise bugs or requests.

In-app purchases

2 purchases

SEAiq

Subscriptions1
  • Premium Annual$15.001 Year
One-time1
  • Upgrade for Premium Features$49.99
1 purchases

VoyLog

Subscriptions1
  • VoyLog Pro$4.991 Month

Questions

Is SEAiq free?
SEAiq is free to download, with in-app purchases available.
Is VoyLog free?
VoyLog is free to download, with in-app purchases available.
Do SEAiq or VoyLog have ads?
Neither SEAiq nor VoyLog shows ads.
Which is updated more often, SEAiq or VoyLog?
SEAiq ships an update every 2 weeks, and VoyLog every 4 days. Most recently, SEAiq was updated on November 6, 2026 and VoyLog on November 5, 2026.

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