Comparison

meteocool rain radar vs Marlin

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

Head to head
About

meteocool rain radar

Get hyper-local weather forecasts with a rain radar that updates every five minutes. Receive timely rain alerts, track storm cells in 3D, and view lightning strikes. Available for iOS devices.

Highlights
  • Radar images every 5 minutes
  • 2-hour animated forecast
  • Rain alerts with customizable intensity
  • Live Activity and Home Screen widgets
  • 3D storm cell tracking
  • Lightning and mesocyclone data
Features
Read full description

meteocool is a rain radar for Central Europe. A new radar image arrives every five minutes, and the app shows you what is coming your way over the next two hours. RADAR AND FORECAST • Radar images every five minutes from Germany, Switzerland, France, Czechia, Poland and surrounding areas, on one map • A forecast for the next two hours, as an animation on the map and as a chart for your location • Lightning from the last ten minutes (Blitzortung.org) and mesocyclones RAIN ALERTS • A notification before it rains where you are. You choose how heavy and how early. • A Live Activity on the Lock Screen and in the Dynamic Island when rain is on its way • Home Screen widgets with a radar map and the forecast STORM CELLS • Storm cells are detected and followed from scan to scan • For each cell: its track, a forecast of where it is heading, and readings such as reflectivity, echo top, VIL and gusts • Storms in 3D: the radar scans add up to a 3D picture you can rotate, tilt and cut open ALSO • Dark mode and five radar color schemes • Free and open source under AGPL-3.0: github.com/meteocool/ios Radar data: DWD, MeteoSwiss, Météo-France, ČHMÚ, IMGW-PIB. Lightning: Blitzortung.org. Questions, ideas or bugs? Open an issue on GitHub.

About

Marlin

Features
Read full description

The living pulse of your coastline. Marlin turns every marina into a live window on the sea. A network of solar-powered sensor stations measures the real conditions in the harbor and delivers them live, so you always know what the water is doing right now. Six live values, around the clock: water temperature, wave height, wind, water level, air pressure and air temperature. BUILT FOR THE PEOPLE ON THE COAST Sailors: check wind and waves at your marina before you head out. Harbor masters and operators: keep the whole port in view, right from the office. Research and curious minds: explore reliable, continuous coastal data. WHY MARLIN Hyperlocal, not regional. We measure at the exact marina, where general forecasts fall short. Measured, not modeled. Real sensor readings, not distant predictions. Live and continuous. Always current, and always building a long-term record. FEATURES Live sensor map: see real-time conditions across every marina at a glance. Detailed dashboards: dive into the full picture for each station. History and trends: explore past measurements and spot patterns over time. Smart notifications: get push or email alerts the moment a reading crosses your threshold. Open data: transparent access that supports research and innovation across the maritime sector. Born from ocean research in Kiel, Marlin makes the coast readable for everyone who depends on the water. Your coast, live. Download Marlin and see what your marina is doing right now.

Screenshots

meteocool rain radar4 screens
Marlin4 screens

Verdict

The call

The clearest difference is update cadence: Marlin at every 5 weeks against meteocool rain radar's every 10 months. Marlin also leads on iOS requirement (15.0 vs 18.0). 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

meteocool rain radar ships an update every 10 months, Marlin every 5 weeks. The most recent releases landed on October 29, 2026 and October 25, 2026 respectively.

Scorecard2 real differences · 6 level
meteocool rain radar versus Marlin: the parameters behind the verdict, then further details
Parametermeteocool rain radarMarlin
PriceFreeFree
Positive reviews52.0% of reviews—
Update frequencyEvery 10 monthsEvery 5 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS18.015.0 — better
Further details — not scored
Size13 MB37 MB
Age rating4+4+
DeveloperFlorian MauracherTarek Almohamad

In-app purchases

None

meteocool rain radar

No in-app purchases

None

Marlin

No in-app purchases

Questions

Is meteocool rain radar free?
meteocool rain radar is free to download, with no in-app purchases.
Is Marlin free?
Marlin is free to download, with no in-app purchases.
Do meteocool rain radar or Marlin have ads?
Neither meteocool rain radar nor Marlin shows ads.
Which is updated more often, meteocool rain radar or Marlin?
meteocool rain radar ships an update every 10 months, and Marlin every 5 weeks. Most recently, meteocool rain radar was updated on October 29, 2026 and Marlin on October 25, 2026.

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