Comparison

Borealis vs KP Forecast

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

Head to head
About

Borealis

Features
Read full description

See the northern lights at the right time and place with Borealis, your personal aurora tracker and forecast. Premium and ad free. Top features + AI Aurora Predictions based on space weather and solar wind data + Smart Aurora Alerts when the Northern Lights are likely, anywhere in the world + Interactive Map to tap anywhere and check aurora conditions + Live aurora webcams from top viewing regions How it works Borealis uses real‑time geomagnetic data to estimate aurora chances by location. It also factors in space weather signals, including solar wind and interplanetary magnetic field readings from satellites, to calculate the probability. Whether you’re planning a trip, chasing the perfect photo, or just hoping to catch a glimpse from home, Borealis helps you catch the lights without guessing. Download Borealis and plan your next aurora night.

About

KP Forecast

Features
Read full description

Aurora Visibility is the easiest way to check if you can see the aurora tonight. [Key Features] - Visibility Score Our unique score combines KP index (geomagnetic activity) and cloud cover to show aurora visibility in 4 levels. - 24-Hour Forecast View visibility predictions for the next 24 hours in a simple graph. Find the optimal viewing window at a glance. - Best Time Alerts Automatically calculates the best viewing time tonight based on darkness and conditions. - Aurora Map Check aurora activity at your current location on an interactive map. - Weather Info Real-time cloud cover and weather conditions to help you plan around clear skies. [Data Sources] - Aurora data: NOAA Space Weather Prediction Center - Weather data: Open-Meteo

Screenshots

Borealis4 screens
KP Forecast3 screens

Verdict

The call

The clearest difference is update cadence: Borealis at every 5 days against KP Forecast's every 4 months. KP Forecast's advantage is iOS requirement (15.0 vs 26.0). 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. Borealis sells 4 one-off in-app purchases and KP Forecast sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Borealis ships an update every 5 days, KP Forecast every 4 months. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

Scorecard2 real differences · 4 level
Borealis versus KP Forecast: the parameters behind the verdict, then further details
ParameterBorealisKP Forecast
PriceFreeFree
Update frequencyEvery 5 days — betterEvery 4 months
AdsYesYes
In-app purchasesYesYes
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS26.015.0 — better
Further details — not scored
Size42 MB76 MB
Age rating4+4+
DeveloperViktor Gidleafkota tada

In-app purchases

4 purchases

Borealis

One-time4
  • Borealis Pro 1$0.49
  • Borealis Pro 2$3.99
  • Borealis Pro 3$7.99
Show 1 more
  • Borealis Pro 4$11.99
2 purchases

KP Forecast

Subscriptions2
  • Premium (1 month)7 Days trial$4.991 Month
  • Premium (1 year)14 Days trial$49.991 Year

Questions

Is Borealis free?
Borealis is free to download, with in-app purchases available.
Is KP Forecast free?
KP Forecast is free to download, with in-app purchases available.
Do Borealis or KP Forecast have ads?
Both Borealis and KP Forecast show ads.
Which is updated more often, Borealis or KP Forecast?
Borealis ships an update every 5 days, and KP Forecast every 4 months. Most recently, Borealis was updated on October 30, 2026 and KP Forecast on October 31, 2026.

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