StormNet vs Spotter Tools Pro
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
StormNet
This app provides highly accurate severe weather forecasts using advanced radar and real-time data analysis. It predicts risks for lightning, hail, damaging winds, and tornadoes up to 14 days in advance.
- NEXRAD Super-Res Radar
- 14-day severe weather forecasts
- Lightning, hail, wind, tornado risk prediction
- Real-time data analysis
- Radar overlays (reflectivity, velocity)
- National Weather Service warnings
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StormNet is optimized to provide the most accurate severe weather forecast with NEXRAD, Super-Res Radar. StormNet is completely free, with no ads. Trained on decades of severe weather events, StormNet analyzes high-resolution radar, satellites, ground-based sensors, and weather forecast models in real-time to find complex patterns that lead to severe weather. The model updates every 2 minutes to provide 14-day forecasts for lightning, hail, damaging thunderstorm winds, and tornadoes. Super-Res Radar is the highest-resolution NEXRAD radar data available from 159 stations across the continental United States. Each radar station updates every 3-4 minutes and measures the intensity of precipitation based on how much energy the radar signal receives back from objects in the atmosphere. Combined, StormNet + Super-Res Radar provides a first-of-its-kind, multiple-component severe weather forecast system for the United States. StormNet Map Overlays • Radar: The highest-resolution radar available for the United States from each radar station. • Radar + Risk: NEXRAD radar, alongside StormNet risk probabilities, for the next 4 hours. • Risk Forecast: The StormNet risk probabilities from real-time to 14 days into the future. StormNet Risk Forecasts • Lightning • Hail • Damaging Winds • Tornado Super-Res (NEXRAD) Radar • Radar Reflectivity • Radar Velocity • Spectrum Width National Weather Service Warnings • Tornado • Severe Thunderstorm • Snow Squall • Flash Flood StormNet vs. National Weather Service The National Weather Service, the Storm Prediction Center, and other government agencies are the official sources for watches, warnings, and severe weather information. StormNet should serve as a trusted and automated guide for severe weather risk, but StormNet should not be treated as an official source. StormNet vs. Traditional Weather Models Existing weather forecast models are incredible feats of engineering and predict the ingredients for severe weather, but they are not designed to excel at severe weather forecasting and are not real-time tools. StormNet was trained and optimized to provide severe weather forecasts. StormNet vs. Other Weather Apps Existing weather apps and companies usually pass along official government watches and warnings, and often communicate if lightning or hail is already close by. While these are valuable features, we are not aware of another weather app or company that matches StormNet’s ability to provide real-time updates for lightning, hail, damaging thunderstorm winds, and tornado risk. Powered by OpenSnow In 2011, OpenSnow began predicting snowfall for skiers and snowboarders. OpenSnow has since become a global leader in mountain weather forecasts and expanded to provide forecasts for every type of outdoor activity. Since lightning is a risk to outdoor activities, especially on longer mountain-based adventures, OpenSnow created a weather forecast system that would provide both lightning forecasts to support real-time decisions and multi-day outlooks to support trip planning. Meteorologist Andrew Brady built StormNet to predict the risk of severe weather. OpenSnow acquired his technology in 2024 to help people stay safe and enjoy the outdoors. — Terms & Conditions — StormNet is free and available in the United States. We'll never track you, sell ads, or collect data. We only ask for your location to show the most accurate radar and severe weather forecast. Full terms and conditions can be found here: https://support.opensnow.com/legal/terms | https://support.opensnow.com/legal/privacy
Spotter Tools Pro
This app provides advanced weather data for enthusiasts and professionals, including detailed radar, live lightning, satellite imagery, and storm chaser streams. It offers robust reporting tools for spotters and customizable alerts for severe weather events.
- GPU-rendered NEXRAD radar
- Live lightning and satellite imagery
- Worldwide tropical weather
- Spotter Network reporting
- GPS beacon and Chaser Mode
- Animated and composite radar
- Sounding analysis
- Live storm chaser streams
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Spotter Tools Pro is a severe weather app for weather enthusiasts, storm chasers, and trained spotters. GPU-rendered NEXRAD radar, turn-by-turn directions, live wind flow, soundings, lightning, satellite, worldwide tropical, air quality, five forecast models, IBW alerts, live chasers, and thousands of live cameras. Plus Spotter Network reporting and Chaser Mode. Buy once. No subscription, no ads, no third-party trackers. TURN-BY-TURN DIRECTIONS Drive to any address, town, or map point with your route drawn over live radar and warnings. Turn banner with distance and arrival time, spoken prompts that lower your music, and automatic rerouting. Start from search or a long-press. SPOTTER NETWORK REPORTING & BEACON Tornado, funnel cloud, wall cloud, hail, measured wind, flood, flash flood, and damage, each with the exact fields Spotter Network expects. Reports queue offline and auto-upload. Foreground and background GPS beacon with a configurable interval. RADAR: LEVEL 2, LEVEL III & TDWR Crisp at any zoom. Single-site Level 2 decoded on-device: Reflectivity, Velocity, Correlation Coefficient, Spectrum Width, and Storm-Relative Velocity. Plus WSR-88D Level III, dual-pol (ZDR, CC, KDP, HCA), derived products (VIL, Digital Precip Rate, rotation), storm tracks, mesocyclone and TVS markers, a VAD Wind Profile, and the 45-site TDWR network. Add a Mesoanalysis layer (SPC-style severe parameters) and a Storm Cell Deep Dive. Dual-view split-screen compare. 16 .pal color tables, or import your own. ANIMATED & COMPOSITE RADAR Loop recent volumes. Add a GPU-crisp CONUS MRMS mosaic drawn from the full product catalog, including the FLASH flash-flood suite, with up to 12-hour playback and tap-to-read values. LIVE WIND & SOUNDINGS Animated surface-wind particles colored by speed. On-device skew-T soundings, hodographs, and full analysis: tap anywhere for a profile (balloon or HRRR). LIGHTNING, SATELLITE & TROPICAL Live GOES GLM lightning; GOES East and West satellite (Infrared, Water Vapor, Visible, GeoColor) with a radar-synced cloud loop; and worldwide tropical: outlook areas, storm cones, spaghetti tracks, intensity, and wind-arrival times. WEATHER MODELS Overlay HRRR, GFS, RRFS, NAM, and ECMWF guidance (reflectivity, temp, wind, CAPE, precip) with a time bar. OBSERVATIONS & LAYERS RTMA surface observations (temperature, dew point, theta-e, wind, gusts), MRMS observed precipitation, METARs, EPA AirNow air quality, and WPC surface fronts and pressure centers. LIVE STORM CHASERS Watch major chasers stream live via YouTube and Facebook Live, right on the map. Live badges show who's on air. LIVE TRAFFIC & SKY CAMERAS Tens of thousands of DOT cameras across 37 states, plus FAA, Windy, NOAA buoy, USGS volcano, NPS, ALERTWildfire, and curated webcams. Live video where offered, stills elsewhere. SMART PUSH ALERTS Background NWS warnings with a polygon preview. Filter modes: Standard, Outbreak, and PDS/Emergency only. Watch zones: current location, home, city, state, or nationwide. Severe-alert tone, plus optional Critical Alerts so a Tornado Emergency or PDS warning sounds through silent mode and Focus. Each warning shows an estimated population inside the polygon. NWS & SPC ON THE MAP - 50+ NWS warning polygons, toggleable - Tornado and severe thunderstorm watch boxes - SPC Mesoscale Discussions and WPC flood discussions, full text on tap - Outlooks: convective Day 1 to 8, thunderstorm, excessive rainfall, fire weather, winter storm severity, CPC 6 to 10 day, drought - SPC storm reports plus the live Spotter Network feed MORE City and place search, long-press map menu, distance and bearing tools, freehand drawing, and storm-track projection. Optional account and opt-in Presence to see other users on the map. Per-event colors, county and state lines, 6 themes (OLED black). Privacy Policy: https://spottertoolspro.vercel.app/privacy Terms of Service: https://spottertoolspro.vercel.app/terms Support: spottertoolspro@gmail.com
Screenshots
Verdict
The clearest difference is price: StormNet at Free against Spotter Tools Pro's $19.99. Spotter Tools Pro's advantage is update cadence (every 4 days vs every 2 months) and review sentiment (100% vs 82%). On rating, ratings volume, ads and in-app purchases 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
StormNet is free to download; Spotter Tools Pro costs $19.99 up front. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 4.9 for StormNet against 5.0 for Spotter Tools Pro. Both are backed by a comparable volume of ratings — 20 and 9 respectively. Written reviews are what separate them: 82% of StormNet's written reviews are positive against 100% of Spotter Tools Pro's.
StormNet ships an update every 2 months, Spotter Tools Pro every 4 days. Both last shipped on October 31, 2026.
| Parameter | StormNet | Spotter Tools Pro |
|---|---|---|
| Price | Free — better | $19.99 |
| Rating | 4.9 (20 ratings) | 5.0 (9 ratings) — better |
| Positive reviews | 81.8% of reviews | 100.0% of reviews — better |
| Number of ratings | 20 — better | 9 |
| Update frequency | Every 2 months | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| Best chart rank | #204 | #64 — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.1 | 15.0 — better |
| Further details — not scored | ||
| Size | 39 MB | 158 MB |
| Age rating | 4+ | 4+ |
| Developer | Cloudnine Weather, Inc. | DUSTIN GARNER |
Customer experience
StormNet
Spotter Tools Pro
In-app purchases
StormNet
No in-app purchases
Spotter Tools Pro
No in-app purchases
Questions
Is StormNet free?
Is Spotter Tools Pro free?
Which has better reviews, StormNet or Spotter Tools Pro?
Do StormNet or Spotter Tools Pro have ads?
Which is updated more often, StormNet or Spotter Tools Pro?
Which is more popular, StormNet or Spotter Tools Pro?
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