Comparison

PredictRain vs Volcano Alert

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

Head to head
About

PredictRain

Get ultra-precise rain forecasts with AI-powered predictions and real-time radar data. Receive instant alerts for incoming rain and plan your outdoor activities with confidence using accumulated rainfall data and historical trends.

Highlights
  • AI-powered 4-hour rain forecasts
  • Real-time rain radar
  • Instant rain alerts
  • Accumulated rainfall tracking
  • Multi-model forecast comparison
  • Lightning tracker
Read full description

Stay ahead of the rain with PredictRain, the world's most precise rain forecast app developed by the team behind PredictWind. Built for those who rely on accurate rain predictions, PredictRain combines advanced AI modeling and intuitive tools to support better decision-making. Designed for outdoor enthusiasts and professionals, PredictRain delivers rain forecasting that is reliable, efficient, and built for practical use. Why PredictRain? Pinpoint Accuracy: AI Rain delivers ultra-precise 4-hour forecasts, updated every 10 minutes and refined with real-time radar data for your exact location. Real-Time Alerts: Get instant notifications when rain is headed your way in the next hour, so you can adapt quickly and stay one step ahead. Smarter Planning: View accumulated rainfall over hours or days to better plan your activities and understand how wet the ground will be for your work or adventure. Proven Reliability: PredictRain combines eight global forecast models with localised radar to improve accuracy where it matters most. Key Features: AI Rain: AI-powered 4-hour rain forecasts with location-specific precision. Multi-Model Forecasts: Compare eight models for greater reliability. Rain Radar: Visualise real-time rain movement with customisable overlays. Satellite Imagery: Combine cloud cover and rainfall data for full context. Climate Data: Access historical rainfall trends for seasonal and location-based planning. Rain Alerts: Receive tailored, instant notifications based on incoming rainfall. Lightning Tracker: Monitor global lightning activity with real-time strike classification. Accumulated Rainfall: Track total expected rainfall over hours or days for better planning. Plan Smarter with PredictRain Whether you're preparing for fieldwork, travel, or outdoor events, PredictRain supports more informed decisions with localised rain forecasts, historical data, and real-time alerts. Use core features free. Upgrade to PredictRain Pro to unlock rain alerts, real-time radar, live observations, and support for multiple locations ($29 USD / year or free for users on a PredictWind Basic subscription and above.) Terms and conditions: ​https://www.predictwind.com/about-us/terms-and-conditions Privacy policy: ​https://www.predictwind.com/about-us/privacy-policy

About

Volcano Alert

Features
Read full description

Volcano Alert puts the world's volcanic activity in your pocket — every volcano on Earth, live alert levels, volcanic ash advisories and earthquakes, all on one map. And it keeps working when you're offline. WORKS OFFLINE • A world base map is stored on your device automatically — no setup, nothing to download by hand • Every volcano's details, photo, and your latest alert data stay available with no connection — in the air, at sea, or off the grid • A clear sync indicator shows how fresh your data is, with one-tap sync • Deeper street-level detail and satellite imagery stream when you're back online THE MAP • All 2,666 Holocene and Pleistocene volcanoes from the Smithsonian Global Volcanism Program on a beautiful 3D globe • Markers show live alert levels and aviation colour codes • Worldwide M4.5+ earthquakes from the past 7 days • Outdoors or satellite map styles LIVE ACTIVITY • US alert levels and aviation colour codes from USGS observatories • Current volcanic ash advisories from the worldwide VAAC network • The Smithsonian/USGS Weekly Volcanic Activity Report EVERY VOLCANO IN DETAIL • Geological summary and photo • Live alert status, full ash advisory bulletins and weekly report text • Earthquakes within 50 km over the last 30 days • Elevation, last known eruption, rock type and tectonic setting WATCHLIST • Watch any volcano and get a notification when its alert status changes • Checks run automatically in the background BROWSE • Search every volcano by name or country • Find volcanoes near you Data sources: Smithsonian Global Volcanism Program, USGS Volcano Hazards Program, USGS Earthquake Hazards Program, and the worldwide Volcanic Ash Advisory Centres. Alert data refreshes every 15 minutes. Maps © Mapbox © OpenStreetMap. Volcano Alert is an information tool, not a substitute for official warnings. Always follow guidance from your local authorities.

Screenshots

PredictRain4 screens
Volcano Alert4 screens

Verdict

The call

The clearest difference is in-app purchases: Volcano Alert at none against PredictRain's 3. PredictRain's advantage is iOS requirement (15.6 vs 18.0). On price, ads 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. PredictRain sells 3 in-app purchases, starting at $6.99 per month. Volcano Alert asks for nothing beyond the download.

Scorecard2 real differences · 8 level
PredictRain versus Volcano Alert: the parameters behind the verdict, then further details
ParameterPredictRainVolcano Alert
PriceFreeFree
Rating4.8 (68 ratings) — better—
Positive reviews70.6% of reviews—
Number of ratings68 — better—
Update frequencyEvery 3 weeks—
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.6 — better18.0
Further details — not scored
Size66 MB33 MB
Age rating4+4+
DeveloperPredictWind LimitedInteractiveWebs.com Pty Ltd

In-app purchases

3 purchases

PredictRain

Subscriptions3
  • PredictRain Pro Monthly14 Days trial$6.991 Month
  • PredictRain14 Days trial$12.003 Months
  • PredictRain Pro Annual14 Days trial$29.001 Year
None

Volcano Alert

No in-app purchases

Questions

Is PredictRain free?
PredictRain is free to download, with in-app purchases available.
Is Volcano Alert free?
Volcano Alert is free to download, with no in-app purchases.
Do PredictRain or Volcano Alert have ads?
Neither PredictRain nor Volcano Alert shows ads.

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