Comparison

iMar vs Tides & Tide Chart

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

Tides & Tide Chart

This app provides real-time tide and weather information for coastal activities. It features a unique tide clock to easily understand tide movements and offers forecasts for waves, wind, and UV index. Plan your beach trips, fishing excursions, or surf sessions with comprehensive coastal data.

Highlights
  • Real-time tide clock
  • Tide heights, wave swell, wind, UV index
  • Accurate local weather forecasts
  • Global coverage for over 20,000 locations
  • Save favorite spots
  • Detailed tide charts and forecasts
Features
Read full description

Tide Flow – Tides, Weather & Waves Your essential tide & weather companion for beach lovers, surfers, swimmers, fishermen, and everyone enjoying the coast. Tide Flow features a unique and beautifully designed real-time tide clock—simple, intuitive, and visually stunning. Instantly see whether the tide is rising or falling, and how long until the next high or low tide, at a single glance. No need to interpret complex charts: with Tide Flow, understanding the tides has never been easier. Get fast access to wave heights, UV index, and accurate local weather forecasts, all in one easy-to-use app. Whether you’re fishing, surfing, swimming, or just relaxing seaside, Tide Flow gives you the info you need for a perfect day on the coast. Key Features Real-Time Tide Clock: Instantly know if the tide is coming in or going out, and how long until the next high or low tide—thanks to our unique, elegant clock interface. Tides, Weather & Waves: All coastal conditions in one place – tide heights, wave swell, wind, UV index, and weather forecasts. Powered by Apple WeatherKit and trusted marine sources. Global Coverage: Find tide predictions for over 20,000 coastal locations worldwide. Favorites: Track your favorite beaches, fishing spots, surf breaks, or coastal towns at a glance. Plan Ahead: View detailed tide charts and forecasts. The Premium version unlocks 10-day forecasts and even more detailed data to help you prepare your next fishing trip, surf session, swim, or seaside outing with confidence. Tide Flow combines essential functionality with an elegant, easy-to-use experience. Perfect for locals, tourists, water sports lovers, fishermen, and anyone who wants to enjoy the coast at its best. Note: Tide Flow is for recreational planning only and not for professional navigation. Apple EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

iMar4 screens
Tides & Tide Chart3 screens

Verdict

The call

The clearest difference is in-app purchases: iMar at none against Tides & Tide Chart's 3. iMar also leads on iOS requirement (10.0 vs 17.0). Tides & Tide Chart's advantage is review sentiment (64% vs 29%) and update cadence (every 2 weeks vs every 10 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. Tides & Tide Chart sells 3 in-app purchases, starting at $5.99 per 7 days. iMar asks for nothing beyond the download.

UpkeepUpdate frequency

iMar ships an update every 10 months, Tides & Tide Chart every 2 weeks. The most recent releases landed on November 1, 2026 and November 8, 2026 respectively.

Scorecard5 real differences · 5 level
iMar versus Tides & Tide Chart: the parameters behind the verdict, then further details
ParameteriMarTides & Tide Chart
PriceFreeFree
Rating—4.5 (58 ratings) — better
Positive reviews29.4% of reviews64.3% of reviews — better
Number of ratings—58 — better
Update frequencyEvery 10 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPod — betteriPhone
Requires iOS10.0 — better17.0
Further details — not scored
Size151 MB44 MB
Age rating4+4+
DeveloperPuertos del EstadoManomaya SA

Customer experience

iMar

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

Tides & Tide Chart

All ratings57 ratings
Positive86.0%
Neutral7.0%
Negative7.0%
Written reviews28 reviews
Positive64.3%
Neutral3.6%
Negative32.1%

In-app purchases

None

iMar

No in-app purchases

3 purchases

Tides & Tide Chart

Subscriptions2
  • Pro Plan3 Days trial$5.997 Days
  • Pro Plan$39.991 Year
One-time1
  • Lifetime access | one time payment$44.99

Questions

Is iMar free?
iMar is free to download, with no in-app purchases.
Is Tides & Tide Chart free?
Tides & Tide Chart is free to download, with in-app purchases available.
Do iMar or Tides & Tide Chart have ads?
Neither iMar nor Tides & Tide Chart shows ads.
Which is updated more often, iMar or Tides & Tide Chart?
iMar ships an update every 10 months, and Tides & Tide Chart every 2 weeks. Most recently, iMar was updated on November 1, 2026 and Tides & Tide Chart on November 8, 2026.

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