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51
BU Score
Solid

KATWARN

3.1 ✍️ Editor
✍️ BU Analytics Review

KATWARN is an Android app from CombiRisk Risk-Management GmbH in the News & Magazines category, currently rated 3.1★ across 11,648 ratings. Initial signal reads as mostly critical sentiment so far — users flag rough edges and unmet expectations.

Our BU Score puts it at 51Solid (established niche player). For a News & Magazines app, that means established niche player.

Track changes month-over-month in the Performance section below — live snapshot history and revenue forecast included.

📊 Performance Tracking LIVE

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idle
0%
Rating
Reviews
Forecast Revenue / mo
Snapshots tracked
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since first record
Range:

💰 Forecast Revenue / mo

MODEL
Revenue forecast computed from BU's 234 trigger model on each snapshot. Calibrated against ground-truth from 58 verified-revenue apps.
🔬Forecast Breakdown — Why This Estimate?Top 4 of 4 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
Mid install base (11,648 ratings)METRIC
+$5,500
Below-average rating (3.1★)METRIC
−$1,500
Mature app (9y old)METRIC
+$1,500
Ad-supported / freemiumMETRIC
+$600
METRIC = structural app data · REVIEW = mined from user reviews · ✓ VERIFIED = Stripe-verified anchor (TrustMRR)

📈 Reviews Growth

LIVE
Cumulative review count from first BU snapshot. Each point = a tracked update.

⭐ Rating Trend

LIVE
Average rating evolution. Updates with each new review batch.

🗓️ Snapshot Timeline

HISTORY
Each bar shows a tracked update and the metric delta from the previous snapshot.
App Specs
🔐 Own this app? Claim & verify MRR →
🔖 v2.3.13🔄 updated 6mo ago📂 News & Magazines💰 Free🚀 Launched 2016 (9y old)

📝 About this app

KATWARN transmits hazard warnings, recommendations for action, and information to affected citizens in Germany on behalf of authorities and security organizations. KATWARN also acts as a multiplier for warnings from the Federal Government's Modular Warning System (MoWaS / NINA app).

The KATWARN app is provided by CombiRisk Risk-Management GmbH. The content, timing, and scope of the alerts are determined solely by the authorized authorities and security organizations that use KATWARN, not by CombiRisk.

Since responsibility for warnings in Germany is distributed among various agencies depending on the hazard situation, the use of KATWARN may vary regionally. Please contact your local district or city for information on the systems used locally.

KATWARN provides location-based notifications about hazards such as major fires or extreme weather events. Users can choose to receive alerts for their current location and up to seven additional locations of their choice. This selection can be changed, adjusted, or deactivated at any time.

The app offers the following features:

• Active notification (push alerts) about hazards for up to eight locations: in addition to your current location (the "guardian angel"), you can select up to seven other locations
• Postcode-specific warnings for the selected locations with warning texts and color-coded alert levels
• Continuous, anonymized updates of location information, eliminating the need for manual location input
• Immediate notification upon entering a current hazard zone
• Free topic subscriptions (e.g., for food recalls) via the KATWARN website

• Energy-efficient location tracking via base stations and Wi-Fi access points (not GPS) minimizes battery drain

• Feedback function for sending feedback to the app provider

A working data connection (Wi-Fi or mobile network) is required to receive warnings and information.

For questions and bug reports, please contact support@katwarn.de or visit http://www.katwarn.de.

Profile & Insights

Everything we know — and don't — about this app and its company.

Identification

App name
KATWARN
Developer
CombiRisk Risk-Management GmbH
Bundle ID
de.combirisk.katwarn
App Store URL
Open in App Store
Category
News & Magazines
Content rating
Not found
Languages
Not found

Company

Website
www.katwarn.de
Tagline
Not found
Description
Not found
Founded
Not found
HQ / Address
Not found
Employees
Not found
Logo
Not found

Revenue

Verified revenue / mo
Not found
AI revenue estimate / mo
Not found
AI annual estimate
Not found
ML model estimate / mo
$990/mo
Top-grossing rank
Not found
All-time revenue
Not found
Pricing
Not found

Founder

Name
Not found
X / Twitter
Not found
LinkedIn
Not found
GitHub
Not found
X followers
Not found
Public statements
Not found

Funding

Total raised
Not found
Last round
Not found
Investors
Not found
Crunchbase
Not found
AngelList
Not found

Press & Links

Articles found
Not found
Listed on
Not found
Blog
Not found
Press / News
Not found

Contacts & Socials

Socials
Not found
Email
Not found
Phone
Not found
Contact page
Not found
About page
Not found
📈Ratings growth11,648 ratings+16% lifetimeShow 3-year history estimate ▾May 2023Dec 2024May 2026
Tracked (1 weeks) Pre-tracking estimate (37 weeks) · model-based, ±5% noise · anchored to release date and current value
Profile is built from iTunes Lookup + developer site scrape + ML revenue model. Empty fields show "Not found" — additional sources (Crunchbase, X, IndieHackers, Acquire.com) coming.
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