Comparison

BlitzortungLive vs Flash Weather

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

Head to head
About

BlitzortungLive

Monitor lightning strikes in near real-time on a map. Receive push alerts for detected strikes in a customizable area. Supports multiple languages and displays historical strike data.

Highlights
  • Live lightning strike display
  • Historical strike visualization
  • Customizable push alerts
  • Multi-language support
  • Real-time map view
Features
Read full description

See thunderstorms the moment they happen. BlitzortungLive shows lightning strikes from the worldwide Blitzortung.org community network on the map in near real time – now together with precipitation radar, thunderstorm forecasts and wind, so you can see at a glance where a storm is, how strong it is and where it is heading. LIVE LIGHTNING • New strikes appear within seconds and fade from yellow to red as they age • Lightning map with the strikes of the last hours (lightningmaps.org) • Strike counter for the visible area • Optional sound for new strikes WEATHER RADAR & FORECAST • Precipitation radar for Germany and neighbouring regions, updated every 5 minutes • Animated timeline: the last two hours plus a 2-hour nowcast • Forecast images are clearly marked – you always know whether you see measured or predicted data • Satellite cloud images and animated wind THUNDERSTORMS • Current and forecast thunderstorm areas across Europe • Thunderstorm tracks in Germany with direction, speed and warning level • Lightning density map • Instability (Lifted Index) shows where thunderstorms can develop LOOK BACK • Scroll back through the last two hours of radar – each image shows the lightning the app received at that time while it was open THUNDERSTORM ALERT • Push notification when lightning is detected near you • Choose the alert area on the map or use your location, radius from 1 to 300 km (0.6 to 186 mi) MADE FOR TODAY'S IPHONE AND IPAD • Completely redesigned for iOS 17 and later • Smooth map with GPU rendering – zoom and pan without waiting • Dark Mode, Dynamic Type, VoiceOver and Reduce Motion support • 12 languages: English, German, French, Spanish, Italian, Dutch, Danish, Swedish, Norwegian, Portuguese (Portugal and Brazil) and Russian FREE – NO ADS, NO TRACKING BlitzortungLive is free and contains no advertising and no tracking. ABOUT BLITZORTUNG.ORG BlitzortungLive is an additional service of the Blitzortung.org project, a community network of volunteers operating lightning detection stations all over the world. Coverage and accuracy depend on the stations in each region. For general questions about Blitzortung.org or to join the network with your own station, please visit www.blitzortung.org and read the documentation and FAQ first. DATA SOURCES Weather data: Deutscher Wetterdienst (CC BY 4.0), satellite data EUMETSAT. Instability: NOAA GFS (model data). Lightning: Blitzortung.org. BlitzortungLive is not an official warning service. In case of danger, follow the warnings of your national weather service.

About

Flash Weather

This app uses advanced algorithms and deep learning to predict lightning strikes before they happen. It provides real-time and future radar, smart push notifications, and heat stress forecasting for outdoor safety. Get hourly and 7-day forecasts for temperature, precipitation, and more.

Highlights
  • Predictive lightning alerts
  • Live Activities on Lock Screen
  • Future radar up to 18 hours
  • Smart push notifications
  • Heat and WBGT forecasting
  • 7-day hourly and daily forecasts
Features
Currently charting
Read full description

FLASH predicts lightning before the first strike. With a patented algorithm infused with Deep Learning, you'll always know when to head inside, and when it's safe to head back out. Whether you are outdoors for work, training, sports, or recreation, FLASH is your edge against the elements. LIGHTNING PREDICTION LIKE NEVER BEFORE Our patented algorithm, infused with deep learning, forecasts where lightning will be before it hits. - Live Activities let you track the storm from your Lock Screen - FirstStrike tells you when the strike will be in your backyard - All Clear gives a simple yes/no answer to "Can we go back outside?" - 5 Hour Lightning Forecast gives extra time to decide on afternoon & evening plans CURRENT AND FUTURE RADAR High resolution current and future radar with lightning, watches and warnings, plus Flash Weather's FirstStrike, All Clear, and Lightning Probability forecast maps. - Up to the minute current radar and current lightning - 18-hour future radar in 15-minute increments, updating hourly - FirstStrike, All Clear, and Lightning Probability maps updating every 2 minutes SMART PUSH NOTIFICATIONS Get alerted when lightning is detected or forecast near you. - Forecast-based warnings before a strike - Customizable lightning proximity alerts for every saved location NFHS-STANDARD, EXCLUSIVE HEAT AND WBGT FORECASTING Plan your day with real-time WBGT readings, critical for outdoor safety. FLASH also forecasts heat stress 7 days out so you can avoid dangerous conditions before they start. - Live WBGT values for your exact location - Heat risk color coding for easy interpretation - 7-day forward-looking heat stress outlook HOURLY AND 7-DAY FORECASTS High and low temperatures, precipitation chance and amount, wind, dew point, cloud cover, and UV index. - Hourly and daily forecasts out 7 days - Graphical temperature, precipitation, and wind outlooks Developed by Flash Weather. Learn more at flashweather.ai Questions or suggestions: support@flashweather.ai Some features require a Flash Premium subscription. After a 7-day free trial, Premium is $3.99/mo or $39.99/yr. Privacy Policy: https://flashweather.ai/privacy/ Terms of Service: https://flashweather.ai/legal/ Auto-renewable subscriptions are governed by Apple's standard EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

BlitzortungLive4 screens
Flash Weather4 screens

Verdict

The call

The clearest difference is in-app purchases: BlitzortungLive at none against Flash Weather's 2. BlitzortungLive also leads on review sentiment (75% vs 65%) and ratings volume (674 vs 105). Flash Weather's advantage is ads (none vs shown) and update cadence (fortnightly vs every 6 months). On price, rating 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. Flash Weather sells 2 in-app purchases, starting at $3.99 per month. BlitzortungLive asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.5 for BlitzortungLive against 4.4 for Flash Weather. That said, the two scores are not equally well evidenced: BlitzortungLive has 674 ratings behind it against 105, so its average is the more settled of the two. Written reviews are what separate them: 75% of BlitzortungLive's written reviews are positive against 65% of Flash Weather's.

UpkeepUpdate frequency

BlitzortungLive ships an update every 6 months, Flash Weather fortnightly. The most recent releases landed on November 1, 2026 and October 30, 2026 respectively.

Scorecard8 real differences · 3 level
BlitzortungLive versus Flash Weather: the parameters behind the verdict, then further details
ParameterBlitzortungLiveFlash Weather
PriceFreeFree
Rating4.5 (674 ratings) — better4.4 (105 ratings)
Positive reviews75.3% of reviews — better64.6% of reviews
Number of ratings674 — better105
Update frequencyEvery 6 monthsFortnightly — better
AdsYesNo — better
In-app purchasesNo — betterYes
MonetizationAd-supported — betterFreemium
Best chart rank—#173 — better
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.015.0 — better
Further details — not scored
Size3 MB73 MB
Age rating4++4
DeveloperMarco BauerFlash Scientific Technology

Customer experience

BlitzortungLive

All ratings665 ratings
Positive89.5%
Neutral5.0%
Negative5.6%
Written reviews267 reviews
Positive75.3%
Neutral7.5%
Negative17.2%

Flash Weather

All ratings105 ratings
Positive83.8%
Neutral3.8%
Negative12.4%
Written reviews48 reviews
Positive64.6%
Neutral6.3%
Negative29.2%

Bugs and requests

BlitzortungLive

Reported bugs

4 issues
  • Crashes on startup
  • Delayed or missing strike notifications
  • Inaccurate location of strikes
  • Issues with map updates

Requested features

5 requests
  • Customizable alert radius
  • Historical lightning data
  • Weather radar integration
  • Ability to report missing strikes
  • Option to remove ads

Flash Weather

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

BlitzortungLive

No in-app purchases

2 purchases

Flash Weather

Subscriptions2
  • Flash Premium Monthly7 Days trial$3.991 Month
  • Flash Premium Yearly7 Days trial$39.991 Year

Questions

Is BlitzortungLive free?
BlitzortungLive is free to download, with no in-app purchases.
Is Flash Weather free?
Flash Weather is free to download, with in-app purchases available.
Which has better reviews, BlitzortungLive or Flash Weather?
BlitzortungLive is rated higher. BlitzortungLive averages 4.5 out of 5 from 674 ratings, while Flash Weather averages 4.4 from 105 ratings.
Do BlitzortungLive or Flash Weather have ads?
BlitzortungLive shows ads; Flash Weather does not.
Which is updated more often, BlitzortungLive or Flash Weather?
BlitzortungLive ships an update every 6 months, and Flash Weather fortnightly. Most recently, BlitzortungLive was updated on November 1, 2026 and Flash Weather on October 30, 2026.

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