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Response from developer
Thanks for your input! We have enhanced the accuracy of the calculation from sensors, so this new version is a massive leap forward for humidity estimates indoors!

Transform your iPhone into a smart hygrometer to measure indoor humidity levels without extra hardware. Track air quality, protect wooden instruments, care for houseplants, and manage allergies with quick scans and actionable tips.
3.4.8
August 30, 2026
We are constantly striving to improve our apps. Try now to check out the new functionality!
Thanks for your input! We have enhanced the accuracy of the calculation from sensors, so this new version is a massive leap forward for humidity estimates indoors!
Indoor Humidity Predictor transforms your iPhone into a hygrometer, using your device's sensors to estimate indoor humidity levels. It helps you monitor air quality for health, comfort, and preservation of items like wooden instruments and houseplants.
The app uses advanced sensor-fusion technology, combining barometric pressure analysis, ambient light sensing, and weather integration for its estimates. It also provides a confidence score for each reading, indicating its reliability.
Yes, Indoor Humidity Predictor works offline after its initial setup. This means you can get humidity readings even without an internet connection, making it convenient for various locations.
Indoor Humidity Predictor is available for iPhone, iPad, and iPod. It leverages the built-in sensors of these Apple devices to provide humidity estimates.
The latest version of Indoor Humidity Predictor is 3.4.5, and it was last updated on May 12, 2026. This indicates a recent update, suggesting ongoing development and support.
Indoor Humidity Predictor is a paid application, priced at $3.99. This one-time purchase grants you access to its features for monitoring indoor humidity.
Indoor Humidity Predictor has an age rating of 4+. This means it is suitable for users aged 4 and older, making it accessible for a wide range of individuals concerned with indoor air quality.
No, Indoor Humidity Predictor is privacy-focused. All calculations happen on your device, and no personal data is collected or shared, ensuring your information remains secure.