Comparison

HYDROINFO vs Flood Alert Watcher

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

Head to head
About

HYDROINFO

Access real-time water level forecasts and current ford information for Hungarian waterways. View data in text, table, graph, or map formats. Receive instant alerts for your preferred locations and check forecasts near your GPS position.

Highlights
  • Water level forecasts
  • Current ford information
  • Text, table, graph, and map data
  • Customizable alerts
  • GPS-based nearby forecasts
  • Favorite gauge selection
Features
Read full description

Az Országos Vízügyi Főigazgatóság (OVF) keretein belül működő Országos Vízjelző Szolgálat (OVSZ) az év minden egyes napján készít vízállás-előrejelzést a hazai vízfolyások főbb vízmércéire, illetve közreadja az aktuális gázló információkat. A vízállás-előrejelzések előállításához figyelembe veszi a meteorológiai helyzet aktuális és várható alakulását is, továbbá téli időszakban a főbb folyók hazai szakaszaira jégelőrejelzést és a Duna fontosabb vízgyűjtő területeire hófelhalmozódás-számítást is végez. A HYDROINFO Applikációban a számítások eredményeiből előálló produktumok gazdag tárházát találja szöveges, táblázatos, grafikonos és térképes formátumban. Gyorsan tájékozódhat a legfrissebb dunai, tiszai, drávai előrejelzésekről, a Duna vízgyűjtőjére vonatkozó meteorológiai háttér-információkról vagy akár a részvízgyűjtőkön felhalmozódott hó mennyiségéről. HYDROINFO Extrák: - Hydroinfo Figyelő: Értesüljön azonnal a legfrissebb előrejelzésekről, használja a Figyelőt. Csak a tiszai előrejelzések érdeklik? Saját igényei szerint állíthatja be miről szeretne értesítést kapni. - Saját Hydroinfo: A GPS segítségével nézze meg a legközelebbi vízmérce előrejelzett vízállásait! - Kedvenc Hydroinfo: Válasszon kedvenc vízmércét! Így időt spórolhat és elkerülheti, hogy minden alkalommal egy hosszú listából kelljen kikeresnie az Önt érdeklő vízmércét.

About

Flood Alert Watcher

Receive real-time flood alerts and weather warnings for the UK. View interactive flood maps, understand warning levels, and get peace of mind with trusted data from the Environment Agency.

Highlights
  • Real-time flood alerts
  • Interactive flood maps
  • Environment Agency data
  • Three warning levels
  • Instant notification alerts (premium)
  • Ad-free experience (premium)
Features
Read full description

Flood Alert Watcher – Stay Ahead of the Floods Stay one step ahead of flooding with Flood Alert Watcher for the UK, your trusted companion for real-time flood alerts and weather warnings. Whether you're at home, at work, or on the go, our app keeps you informed and prepared for any potential flood risks in your area. Key Features - Interactive Flood Maps View live, dynamic maps that show affected areas and potential flood zones near your location. - User-Friendly Design Navigate effortlessly with a clean, intuitive interface that helps you find key information quickly. - Accurate, Trusted Data All flood and river level data come directly from the Environment Agency, ensuring you receive the most reliable and up-to-date information. - Peace of Mind With Flood Alert Watcher, you can feel confident knowing you’re always informed and ready for any flood emergency. Warning Levels Flood Alert Watcher uses three clear warning levels: - Alert - Warning - Severe The app shows how many active alerts exist for each level. Tap on any alert to see its location highlighted on the map, or tap directly on a map alert for full details. Upgrade for More Subscribe to unlock powerful premium features: - Notification Alerts – Receive instant alerts for new flood warnings in your area, so you can act fast. - Home Screen Flood Map – View flood risks for your current location at a glance. - Ad-Free Experience – Enjoy the app without interruptions. Stay informed, stay safe — and get peace of mind with Flood Alert Watcher Premium. Data Sources This app uses Environment Agency flood and river level data from the Real-Time Data API (Beta). Contains public sector information licensed under the Open Government Licence v3.0. Important Information Flood Alert Disclaimer: Flood data is provided via the Environment Agency’s Flood Monitoring API (environment.data.gov.uk/flood-monitoring). We aim to deliver accurate and timely alerts, but data may change or be delayed. Always verify with official sources before making safety decisions. For the latest official updates and advice, visit: https://check-for-flooding.service.gov.uk Use of this app is at your own risk. Neither this app nor the Environment Agency accepts responsibility for any loss, damage, or injury resulting from reliance on the information provided. EULA: https://mushroomapps.co.uk/licensed-application-end-user-license-agreement Privacy Policy: https://mushroomapps.co.uk/privacy-policy

Screenshots

HYDROINFO3 screens
Flood Alert Watcher4 screens

Verdict

The call

The clearest difference is in-app purchases: HYDROINFO at none against Flood Alert Watcher's 3. HYDROINFO also leads on ads (none vs shown) and iOS requirement (8.0 vs 18.6). Flood Alert Watcher's advantage is update cadence (every 3 weeks vs every 9 months) and review sentiment (13% vs 0%). On price 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. Flood Alert Watcher sells 3 in-app purchases, starting at $0.99 per month. HYDROINFO asks for nothing beyond the download.

UpkeepUpdate frequency

HYDROINFO ships an update every 9 months, Flood Alert Watcher every 3 weeks. The most recent releases landed on October 14, 2026 and October 13, 2026 respectively.

Scorecard6 real differences · 4 level
HYDROINFO versus Flood Alert Watcher: the parameters behind the verdict, then further details
ParameterHYDROINFOFlood Alert Watcher
PriceFreeFree
Rating—4.8 (5 ratings) — better
Positive reviews0.0% of reviews13.3% of reviews — better
Number of ratings—5 — better
Update frequencyEvery 9 monthsEvery 3 weeks — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS8.0 — better18.6
Further details — not scored
Size10 MB41 MB
Age rating4+4+
DeveloperOrszágos Vízjelző SzolgálatJohn Benson

Customer experience

HYDROINFO

Written reviews15 reviews
Positive0.0%
Neutral6.7%
Negative93.3%

Flood Alert Watcher

All ratings5 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews15 reviews
Positive13.3%
Neutral0.0%
Negative86.7%

In-app purchases

None

HYDROINFO

No in-app purchases

3 purchases

Flood Alert Watcher

Subscriptions3
  • Monthly3 Days trial$0.991 Month
  • Annual$1.991 Year
  • Annual3 Days trial$2.991 Year

Questions

Is HYDROINFO free?
HYDROINFO is free to download, with no in-app purchases.
Is Flood Alert Watcher free?
Flood Alert Watcher is free to download, with in-app purchases available.
Do HYDROINFO or Flood Alert Watcher have ads?
Flood Alert Watcher shows ads; HYDROINFO does not.
Which is updated more often, HYDROINFO or Flood Alert Watcher?
HYDROINFO ships an update every 9 months, and Flood Alert Watcher every 3 weeks. Most recently, HYDROINFO was updated on October 14, 2026 and Flood Alert Watcher on October 13, 2026.

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