Comparison

GeoStorm vs Cordulus Core

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

Head to head

Weather and maps

About

GeoStorm

Features

Read full description

GeoStorm is the all-in-one weather and visualization tool. Whether you’re a professional mariner, an avid hiker, or an aurora chaser, GeoStorm integrates high-quality data from with real-time tracking to keep you informed. Explore Our Core Modules: Sky & Space: Never miss a moment with precise Sun and Moon positioning. Use our Satellite Imagery (Beta) to see the world from above and stay updated with live Northern Lights (Aurora) observations reported over the last 24 hours. Sea & Navigation: Set sail with confidence using official Nautical Charts. Monitor maritime activity with live Ship tracking (Beta) and stay ahead of the game with the latest Fishing & Catch reports. Land & Wilderness: Master the terrain with detailed Topographic Maps. Discover new heights with our Mountain Peak (Beta) database and explore local biodiversity through integrated Species Observations.

About

Cordulus Core

Get precise, hyperlocal weather data for informed decision-making. Access real-time, historical, and forecast insights to optimize operations and reduce risks.

Highlights

Precise hyperlocal weather data
Real-time insights
Historical weather data
Forecast data
Risk reduction tools
Operational optimization

Features

Read full description

Cordulus provides precise, hyperlocal weather data to help you make smarter decisions, reduce risks, and optimize operations with real-time, historical, and forecast insights.

Screenshots

GeoStorm4 screens

Cordulus Core4 screens

Verdict

The call

GeoStorm and Cordulus Core are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

GeoStorm ships an update every 5 weeks, Cordulus Core every 2 months. The most recent releases landed on October 8, 2026 and October 7, 2026 respectively.

ScorecardNo meaningful differences

GeoStorm versus Cordulus Core: the parameters behind the verdict, then further details
Parameter	GeoStorm	Cordulus Core
Price	Free	Free
Positive reviews	—	0.0% of reviews
Update frequency	Every 5 weeks — better	Every 2 months
Ads	No	No
In-app purchases	No	No
Monetization	—	Free
Devices	iPhone, iPad, iPod	iPhone, iPad, iPod
Requires iOS	15.0	15.0
Further details — not scored
Size	74 MB	105 MB
Age rating	4+	4+
Developer	Jon-Remi Bredesen	Cordulus A/S

In-app purchases

None

GeoStorm

No in-app purchases

None

Cordulus Core

No in-app purchases

Questions

Is GeoStorm free?

GeoStorm is free to download, with no in-app purchases.

Is Cordulus Core free?

Cordulus Core is free to download, with no in-app purchases.

Do GeoStorm or Cordulus Core have ads?

Neither GeoStorm nor Cordulus Core shows ads.

Which is updated more often, GeoStorm or Cordulus Core?

GeoStorm ships an update every 5 weeks, and Cordulus Core every 2 months. Most recently, GeoStorm was updated on October 8, 2026 and Cordulus Core on October 7, 2026.