This utility app calculates dew point, humidity, and wet bulb temperature with speed and accuracy. It's designed for weather, HVAC, and scientific applications, eliminating the need for manual calculations or physical tools.





250+ iOS apps curated and reviewed
With an average user rating of 4.5★, the dewfall category is one of the App Store's strongest. Browse all 250+ apps we track, sorted so the most loved ones surface first.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 | Free | — | No | Yes | Jul 2026 | |
| 2 | Free | 4.6★ (79) | Yes | Yes | Aug 2026 | |
| 3 | Free | 4.7★ (191K) | Yes | No | Aug 2026 | |
| 4 | Free | 5.0★ (6) | No | No | Aug 2026 | |
| 5 | Free | 5.0★ (11) | No | No | Aug 2026 | |
| 6 | Free | 5.0★ (4) | No | Yes | Aug 2026 | |
| 7 | Free | 4.6★ (45) | Yes | No | Jul 2026 | |
| 8 | Free | 4.8★ (1.6M) | No | No | Aug 2026 |











This utility app calculates dew point, humidity, and wet bulb temperature with speed and accuracy. It's designed for weather, HVAC, and scientific applications, eliminating the need for manual calculations or physical tools.






Get accurate local weather forecasts and alerts, including detailed temperature tracking, snow predictions, and severe weather warnings. Visualize weather patterns with interactive radar and maps, and plan travel with global forecasts for up to 20 cities. Enjoy a beautiful, immersive interface with stunning photography and animated weather modules.


This app provides a straightforward dew point reading to gauge air comfort. Access current conditions within the application, on your home screen, Mac desktop, or Apple Watch complication.


Get real-time weather updates, hourly forecasts, and severe weather alerts for eastern Iowa. Plan your activities and travel with detailed radar and route-specific weather information.


Track meteor showers and get personalized alerts for celestial events. This app provides visibility forecasts, cloud cover predictions, and moon phase insights to help you plan your stargazing sessions. Discover darker viewing areas and never miss a shooting star.


Get reliable and accurate weather forecasts and news for Ohio. Receive alerts for rain, storms, and NWS weather advisories. Track storms in real-time with interactive radar and view road conditions for travel planning.


Get detailed weather forecasts, including hourly and 10-day outlooks for temperature, precipitation, and wind. Explore weather patterns with interactive maps and receive timely alerts for severe conditions. Track air quality, sun and moon cycles, and historical trends to plan ahead.


Receive life-saving severe weather alerts minutes before official warnings, with a focus on the Upper Midwest and Canadian Prairies. Get rotating thunderstorm, lightning, and precipitation alerts, plus detailed forecasts and real-time radar.


This app provides hourly wet-bulb temperature forecasts for up to 10 days, helping you determine the effectiveness of evaporative coolers. It also includes dew point, feels-like temperature, UV index, wind speed, and precipitation probability for a comprehensive weather overview.


Get detailed, reliable weather forecasts specifically for astronomers, focusing on cloud cover. Track astronomical events like moon and sun times, darkness periods, and ISS passes. Save multiple locations for quick access to crucial data.


Monitor global lightning strikes in near real-time on a live map. Receive alerts for nearby storms and view historical strike data. Track weather radar and share strike information with friends.




Get highly accurate 8-day weather forecasts for any location. This app provides detailed global weather data, including temperature, precipitation, and wind, with frequent updates and intuitive visualizations. Plan your activities with confidence using comprehensive weather intelligence.


This application allows you to quickly calculate the dew point or relative humidity of the air. Input any two known values (dry bulb temperature, relative humidity, or dew point) to determine the third. It's a useful tool for weather enthusiasts and those with home weather stations.


This app provides detailed 48-hour sky forecasts for astronomical observation. It helps users find optimal locations and times for clear, dark skies by displaying data on cloud cover, transparency, and more. Save your favorite charts for quick access.


This tool provides quick and accurate psychrometric calculations for moist air properties. It offers detailed thermodynamic data, including dew point and humidity ratios, using ASHRAE equations. Supports both imperial and SI units for various applications.


Get real-time weather updates, interactive radar maps, and detailed forecasts for your specific location. Receive customizable alerts for severe weather and share community-sourced photos and videos.


Configure WiFi weather stations and access real-time data from wireless sensors. Monitor temperature, humidity, wind speed, rainfall, and air pressure with professional-grade precision.


Identify plants instantly by taking a photo. Get custom care guides, diagnose pests and diseases, and receive watering reminders to keep your plants thriving. Designed for both beginners and experienced plant owners.