WeatherGrid vs OpenAir
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
WeatherGrid
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WeatherGrid is a platform designed to simplify weather-related decision-making by allowing users to compare real-time weather and forecasts across multiple cities side by side. Whether you're planning travel, scheduling outdoor events, or managing weather-sensitive operations, our service provides clear, concise, and accurate weather data for multiple locations at once. By presenting detailed forecasts, including temperature, precipitation, wind, and more, WeatherGrid helps users make informed choices quickly and efficiently.
OpenAir
This app helps you decide the optimal time to open your windows for fresh air. It compares indoor comfort with outdoor weather conditions like temperature, dew point, humidity, rain, and wind to provide simple recommendations.
- Window opening recommendations
- Indoor vs. outdoor condition comparison
- Humidity and dew point monitoring
- Rain and wind alerts
- Simple open/close guidance
- Fresh air optimization
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OpenAir helps you decide when to open or close your windows using outdoor weather and your comfort settings. It checks outdoor temperature, dew point, rain, and wind, then gives you a clear recommendation. Explore up to 10 days of hourly temperature and dew point charts, with your comfort limits and window guidance shown alongside them. Use OpenAir to: * See a simple open or close recommendation * Find upcoming periods when outdoor conditions suit your preferences * Check temperature and dew point trends before opening your windows * Avoid rain, strong wind, and humid outdoor air * Get alerts when the recommendation changes * Check your status with iPhone widgets and Apple Watch Set your preferred outdoor temperature range, maximum dew point, and wind limits to tailor the guidance. OpenAir uses outdoor conditions only. It does not measure indoor temperature, indoor humidity, or air quality. Alerts and background updates are best-effort and may be delayed by iOS.
Screenshots
Verdict
The clearest difference is in-app purchases: WeatherGrid at none against OpenAir's 3. WeatherGrid also leads on iOS requirement (13.0 vs 26.0). 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
Both are free to download. OpenAir sells 3 one-off in-app purchases. WeatherGrid asks for nothing beyond the download.
| Parameter | WeatherGrid | OpenAir |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.7 (6 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 6 — better |
| Update frequency | — | Every 4 days |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, Apple Watch |
| Requires iOS | 13.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 9 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Wolftech Dev Limited | Smart Post App, LLC |
In-app purchases
WeatherGrid
No in-app purchases
OpenAir
- Small Tip$1.99
- Medium Tip$4.99
- Large Tip$9.99








