Tempest Weather vs AirGradient Map
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Tempest Weather
This app connects to a proprietary weather sensor to provide real-time local weather data, lightning and rain alerts, and highly accurate forecasts. It integrates with smart home devices for optimized energy and water usage, and offers customizable data sharing.
- Real-time weather conditions
- Lightning and rain alerts
- Accurate 10-day forecast
- Smart home integration
- Historical weather data
- Customizable data sharing
Read full descriptionHide full description
This app requires the Tempest sensor device, which is available to buy separately. Need to set up and configure your Tempest Weather System? The Tempest app will walk you through a few simple steps, including connecting your home’s WiFi network. Once you’re up and running the app will quickly become your go-to for real-time weather conditions, lightning and rain alerts, and the most accurate forecast for your location - guaranteed. Data available in the Tempest app includes: Temp, humidity, dew point, feels like, heat index Barometric pressure, sea-level pressure, trends Lightning detection and alerts up to 40 km Wind, UV, solar irradiance Rain rate, accumulation, rain onset alerts 10-day forecast Historical weather data graphs Smart Home Ready: Use this app to save time, energy, and water by integrating with popular smart home and irrigation services. Use your weather data to optimize heating and cooling, adjust your irrigation schedule, and alert your family when lightning storms approach. Tempest is compatible with Google Assistant, Rachio, IFTTT, Siri, Alexa, Homey, and many more. Weather Geek Worthy: The Tempest device features an all-in-one sensor and long-range wireless connectivity (1000ft), sonic anemometer, and haptic rain sensor, but it is far more than just a cutting-edge piece of hardware. Each Tempest leverages WeatherFlow-Tempest’s patented Nearcast Technology™, which feeds real-time observed weather data from your backyard into a machine learning system to dramatically improve forecast accuracy where it matters most. Completely Customizable: Tempest’s open API and shareable data enable third-party use, with built-in publication to desktop software and online services.
AirGradient Map
Get real-time, accurate air quality data with a live map, personalized alerts, and science-based guidance. Plan your day, reduce exposure, and protect your health with actionable insights.
- Live AQI and PM2.5 map
- Personalized air quality alerts
- Global coverage
- Science-based guidance
- Home and Lock Screen widgets
- Offline-aware status
Read full descriptionHide full description
Accurate, actionable air quality in real time. Know your local AQI and PM2.5 with clear steps to plan your day and reduce exposure. What you get: - Live map with AQI and PM2.5 for places you care about - Alerts when air quality changes at your saved locations - Global coverage in nearly all countries - Simple, science-based guidance on what to do next - Home and Lock Screen widgets for glanceable AQI - Offline-aware status for uninterrupted awareness - Tips and guidance in the in-app Blog - Localized experience in English, Arabic, Chinese (Simplified), French, German, Hindi, Indonesian, Khmer, Lao, Spanish, Thai, and Vietnamese Make better decisions every day: - Reduce exposure during smoke or smog events - Time workouts and outdoor plans with confidence - Protect kids, elders, and sensitive groups - Travel confidently with saved places and alerts Data you can trust: - Shows air quality from trusted reference stations and AirGradient monitors worldwide - Built on established air quality standards with transparent, science-informed methods Built by AirGradient: - Created by AirGradient, a social-impact business with a strong scientific background - The team behind open-source air quality monitors used by schools, researchers, and communities globally - Our mission: raise awareness of the dangers of air pollution and empower action - We work with small grassroots organizations and major international organizations like UNICEF and UNDP, and with leading universities such as the University of Cambridge Community and impact: - Featuring communities from around the world, fighting air pollution together - Read real stories, learn what works, and take action locally - Join a global movement to improve the air we all share Design and performance: - Optimized for iOS 26 with a liquid glass UI - Smooth interactions, refined haptics, and fast updates - Thoughtful accessibility support for larger text and VoiceOver Privacy and control: - Location is optional - search and save places manually if you prefer - Clear settings and easy controls to manage alerts and data Quick definitions: - AQI: Air Quality Index, a simple scale for overall air quality - PM2.5: Fine particles (≤2.5µm) that can affect heart and lung health Get the air quality that matters to you - accurate, timely, and easy to act on. Disclaimer: This app provides informational guidance only and is not a medical device or medical advice.
Screenshots
Verdict
The clearest difference is rating: AirGradient Map at 5.0 against Tempest Weather's 4.0. AirGradient Map also leads on review sentiment (86% vs 62%). Tempest Weather's advantage is ratings volume (493 vs 11) and update cadence (every 3 weeks vs every 2 months). On price, ads, in-app purchases and monetization model 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
AirGradient Map holds the better App Store score, 5.0 against 4.0. That said, the two scores are not equally well evidenced: Tempest Weather has 493 ratings behind it against 11, so its average is the more settled of the two. Written reviews point the same way: 62% of Tempest Weather's written reviews are positive against 86% of AirGradient Map's.
Tempest Weather ships an update every 3 weeks, AirGradient Map every 2 months. The most recent releases landed on September 22, 2026 and September 24, 2026 respectively.
| Parameter | Tempest Weather | AirGradient Map |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (493 ratings) | 5.0 (11 ratings) — better |
| Positive reviews | 61.9% of reviews | 85.7% of reviews — better |
| Number of ratings | 493 — better | 11 |
| Update frequency | Every 3 weeks — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Best chart rank | #153 — better | — |
| Devices | iPhone, iPad, iPod, Apple Watch — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 44 MB | 35 MB |
| Age rating | 4+ | 12+ |
| Developer | WeatherFlow | AirGradient Ltd. |
Customer experience
Tempest Weather
AirGradient Map
Bugs and requests
Tempest Weather
Reported bugs
4 issues- App freezes on launch
- Widgets stop working after updates
- Complications not updating on Apple Watch
- Location detection issues
Requested features
7 requests- Add dark mode
- Improve graph visualization
- Integrate with smart home platforms
- Add more weather data points
- Improve notification settings
Show 2 moreShow fewer
- Add Apple TV app
- Provide more localization options
AirGradient Map
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Tempest Weather
No in-app purchases
AirGradient Map
No in-app purchases
Questions
Is Tempest Weather free?
Is AirGradient Map free?
Which has better reviews, Tempest Weather or AirGradient Map?
Do Tempest Weather or AirGradient Map have ads?
Which is updated more often, Tempest Weather or AirGradient Map?
Other comparisons















