Comparison

iMar vs Lineup Surf Forecast

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

Head to head
About

iMar

Access real-time and forecasted sea conditions across Spain. View detailed data on waves, sea level, wind, and temperature for various locations. Includes animated forecasts and an alert system for coastal conditions.

Highlights
  • Real-time sea state data
  • Multi-day sea condition forecasts
  • Detailed oleaje, level, wind, and temperature data
  • Favorite location management
  • Animated wind and wave forecasts
  • Coastal alert system
Features
Read full description

Puertos del Estado presenta iMar, su aplicación para dispositivos móviles que permite conocer el estado del mar, tanto en tiempo real como para los próximos días. Acceda a información detallada de oleaje, nivel del mar, viento, presión atmosférica, temperatura del agua, etc. para cada localidad, playa y puerto de España. La aplicación permite la creación y gestión de ubicaciones favoritas, facilitando así un acceso inmediato a la información. Adicionalmente, se proporcionan mapas animados de previsión de viento y oleaje, así como un completo sistema de alerta para la costa que permite evaluar el estado del mar en toda España de un solo vistazo. La información en tiempo real se actualiza al minuto para los mareógrafos, cada hora para las boyas y dos veces al día para los sistemas de previsión. Todos los datos provienen de los sistemas de medida y modelos de Puertos del Estado, a excepción de las salidas de los modelos numéricos de viento que son proporcionadas por AEMET.

About

Lineup Surf Forecast

Plan your surf sessions with reliable and intuitive forecasts. This app provides detailed swell, tide, and weather predictions tailored to your specific surf spots, helping you catch the best waves.

Highlights
  • Spot-specific swell forecasts
  • 7-day NOAA, GFS, WAM, HARMONIE-AROME predictions
  • Real-time buoy data and alerts
  • Interactive swell map
  • Live webcam access
  • Favorite spots
  • Water temperature and solar schedule
Features
Read full description

Prepara tu sesión de surf con la app más fiable e intuitiva. La misión de Lineup es hacer que planear tus sesiones de surf sea fácil, con previsiones precisas. Características de Lineup: - Previsiones adaptadas a tu spot. Lineup tiene en cuenta la dirección de swell y mucho más en las previsiones de cada spot. - Sostenibilidad y respeto a la comunidad surfera. No aparecen secret spots ni playas poco conocidas - Previsiones de NOAA a siete días, modelos GFS, WAM, HARMONIE-AROME - Boyas a tiempo real y alertas cuando lo que miden es diferente a las previsiónes - Swell primario, secundario y mar de viento - Mareas - Previsión de clima - Mapa de swell interactivo - Widgets para consultar la previsión sin abrir la app - Acceso a webcams de Camaramar, Webcams de Asturias, Surftotal, Beachcam.meo, Skyline, Hispacams, GoSurf. - Mapa de spots con condiciones actuales - Interfaz intuitiva que asegura una buena experiencia de usuario - Spots favoritos. Accede rápidamente a la previsión de los spots que guardes - Temperatura del agua, meteorología y horario solar - Actualización de previsiones cuatro veces al día

Screenshots

iMar4 screens
Lineup Surf Forecast4 screens

Verdict

The call

The clearest difference is review sentiment: Lineup Surf Forecast at 100% against iMar's 29%. Lineup Surf Forecast also leads on update cadence (every 2 weeks vs every 10 months). iMar's advantage is monetization model (free vs ad-supported) and iOS requirement (10.0 vs 16.4). 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

iMar ships an update every 10 months, Lineup Surf Forecast every 2 weeks. The most recent releases landed on October 23, 2026 and October 10, 2026 respectively.

Scorecard4 real differences · 4 level
iMar versus Lineup Surf Forecast: the parameters behind the verdict, then further details
ParameteriMarLineup Surf Forecast
PriceFreeFree
Positive reviews29.4% of reviews100.0% of reviews — better
Update frequencyEvery 10 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterAd-supported
DevicesiPhone, iPod — betteriPhone
Requires iOS10.0 — better16.4
Further details — not scored
Size151 MB60 MB
Age rating4+4+
DeveloperPuertos del EstadoDiego Iglesias

Customer experience

iMar

Written reviews51 reviews
Positive29.4%
Neutral13.7%
Negative56.9%

Lineup Surf Forecast

Written reviews8 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

iMar

No in-app purchases

None

Lineup Surf Forecast

No in-app purchases

Questions

Is iMar free?
iMar is free to download, with no in-app purchases.
Is Lineup Surf Forecast free?
Lineup Surf Forecast is free to download, with no in-app purchases.
Do iMar or Lineup Surf Forecast have ads?
Neither iMar nor Lineup Surf Forecast shows ads.
Which is updated more often, iMar or Lineup Surf Forecast?
iMar ships an update every 10 months, and Lineup Surf Forecast every 2 weeks. Most recently, iMar was updated on October 23, 2026 and Lineup Surf Forecast on October 10, 2026.

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