Comparison

Tide Prediction vs SEAiq Pilot

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

Head to head
About

Tide Prediction

Access clear and quick tide forecasts for numerous locations in Germany and select European countries. View high and low tide predictions, map gauge locations, and get sunrise, sunset, and weather information. Ideal for coastal visits, water activities, or travel planning.

Highlights
  • High and low tide forecasts
  • Map with gauge locations
  • Sunrise, sunset, and moon phase
  • Weather information
  • Speed calculation for vessels
  • Multi-language support
Features
Read full description

Gezeiten.app keeps upcoming high and low tides at your fingertips – clearly presented, quick to access and available directly on the map. The app provides tide forecasts for numerous gauges in Germany as well as selected stations in Norway, Belgium, Spain, Denmark and the Netherlands. All information is obtained from public data sources maintained by the responsible authorities. Features: - High and low tide forecasts for several days - Clear indication of the next tide change - Astronomical deviation between observed water levels and predicted tides, where available - Map with gauge locations - Sorting by name or distance - Search by gauge, region or country - Favourites for frequently used stations - Reference water levels and vertical datums - Sunrise, sunset and moon phase information - Weather information for forecast tide events - German, English, French, Dutch, Norwegian and Spanish - For vessels 90 metres or longer, the app also calculates the permitted maximum speeds over ground on the tidal Elbe. The calculation is based on the official current data table published by the Federal Waterways and Shipping Administration and the high-water times at the four reference gauges. Whether you are visiting the coast, travelling along the tidal Elbe, planning a trip or spending time on the water, Gezeiten.app presents the most important tide information in a clear and convenient format. The information shown is provided for general guidance. Official notices, traffic signs, instructions from vessel traffic services and nautical publications must always be followed for navigation and safety-related decisions.

About

SEAiq Pilot

This navigation app provides advanced charting and real-time vessel data for professional marine pilots. It supports various chart formats and external NMEA/AIS devices, offering features like predicted vessel display and docking aids. A free trial is available, with an in-app purchase for permanent access.

Highlights
  • S-57, S-63, iENC, BSB/KAP chart support
  • External NMEA/AIS over WiFi
  • Predicted vessel display
  • Docking aids
  • Vessel catalog
  • NMEA/AIS record and playback
  • Mariners tools
Read full description

SEAiq Pilot is designed especially for use by river, channel, and harbor pilots. It includes support for charts in the S-57, S-63, iENC and BSB/KAP formats and use of external NMEA/AIS over WiFi. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ IMPORTANT: For non-pilots, we recommend SEAiq and SEAiq USA. This app is free to download. All features are available during a 7-day evaluation period. An in-app purchase is required to permanently upgrade the app, otherwise after the evaluation period only basic chart viewing is supported. Enterprise Subscriptions purchased through the iOS App Store are for iOS only. Access on other platforms is not included. SEAiq Pilot and SEAiq Pilot VPP are the exact same app and differ only in how they are purchased. Features unique to SEAiq Pilot include: * Support for official HO S-57/S-63 marine charts * Adheres to IHO S-52 chart display standards * Predicted vessel display (with ROT) * Docking aids displaying distance/velocity to wharf fenders * Vessel catalog * Supports WiFi based AIS plugs and Portable Pilot Units * NMEA/AIS record and playback * Waypoints, routes, ETA, XTD, speed limits * Route Meeting Point * Visual CPA * AIS "virtual boarding" * Mariners tools: VRM, EBL, Mariners Notes, Clearing Lines Continued use of GPS running in the background can dramatically decrease battery life.

Screenshots

Tide Prediction4 screens
SEAiq Pilot2 screens

Verdict

The call

The clearest difference is review sentiment: SEAiq Pilot at 93% against Tide Prediction's 45%. SEAiq Pilot also leads on iOS requirement (15.0 vs 17.0). Tide Prediction's advantage is in-app purchases (none vs 3) and update cadence (every 3 weeks vs every 2 months). On price, ads 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 Pilot sells 3 in-app purchases, starting at $179.99 per year. Tide Prediction asks for nothing beyond the download.

UpkeepUpdate frequency

Tide Prediction ships an update every 3 weeks, SEAiq Pilot every 2 months. The most recent releases landed on November 1, 2026 and November 10, 2026 respectively.

Scorecard5 real differences · 5 level
Tide Prediction versus SEAiq Pilot: the parameters behind the verdict, then further details
ParameterTide PredictionSEAiq Pilot
PriceFreeFree
Rating—4.9 (455 ratings) — better
Positive reviews44.9% of reviews93.5% of reviews — better
Number of ratings—455 — better
Update frequencyEvery 3 weeks — betterEvery 2 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.015.0 — better
Further details — not scored
Size3 MB54 MB
Age rating4+4+
DeveloperHans-Jurgen BeckmerhagenSakhalin

Customer experience

Tide Prediction

Written reviews49 reviews
Positive44.9%
Neutral16.3%
Negative38.8%

SEAiq Pilot

All ratings453 ratings
Positive97.4%
Neutral0.7%
Negative2.0%
Written reviews92 reviews
Positive93.5%
Neutral1.1%
Negative5.4%

Bugs and requests

Tide Prediction

Not enough reviews yet to summarise bugs or requests.

SEAiq Pilot

Reported bugs

6 issues
  • 🐛 Graphics are poor
  • 🐛 Hard to see own ship AIS for boarding
  • 🐛 iOS 14 position acquisition issues with AIS pilot plug Wifi
  • 🐛 Waypoints can be accidentally deleted
  • 🐛 Chartworld map loading issues
Show 1 more
  • 🐛 AIS target display issues

Requested features

5 requests
  • Add Vietnamese to language section
  • Allow waypoints to be locked
  • Make active tools (EBL, VRM) a different color than orange
  • Ability to use voice record through Bluetooth for VDR functionality
  • Dark mode option

In-app purchases

None

Tide Prediction

No in-app purchases

3 purchases

SEAiq Pilot

Subscriptions2
  • Premium Annual1 Month trial$179.991 Year
  • Enterprise Annual1 Month trial$359.991 Year
One-time1
  • Upgrade for Premium Features$399.99

Questions

Is Tide Prediction free?
Tide Prediction is free to download, with no in-app purchases.
Is SEAiq Pilot free?
SEAiq Pilot is free to download, with in-app purchases available.
Do Tide Prediction or SEAiq Pilot have ads?
Neither Tide Prediction nor SEAiq Pilot shows ads.
Which is updated more often, Tide Prediction or SEAiq Pilot?
Tide Prediction ships an update every 3 weeks, and SEAiq Pilot every 2 months. Most recently, Tide Prediction was updated on November 1, 2026 and SEAiq Pilot on November 10, 2026.

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