In a category often filled with weather forecasts for the outdoors, Ravibhai Ramani's Indoor Thermometer app carves out a specific niche by focusing on the environment inside the home or office. The app utilizes the temperature and humidity sensors built into modern iPhones to deliver readings for the room a user is currently in. While not a professional-grade instrument, it serves as a convenient and accessible tool for casual environmental monitoring where dedicated hardware isn't available. The core functionality revolves around a primary screen displaying the current temperature and humidity percentage in clear, large digits. A historical graph allows users to track fluctuations over selectable time periods, which can be useful for identifying trends, such as a room heating up throughout the day. The app includes basic unit toggles (Celsius/Fahrenheit) and can display a comfort level indicator, suggesting whether conditions are ideal, dry, or humid. Some users have noted that the accuracy is inherently tied to the iPhone's sensor capabilities, which are designed more for protecting the device's battery than for scientific precision, a limitation common to all software-based thermometers. For real-world usage, the app proves most practical for quick spot checks. Someone working in a home office might use it to decide if a fan is needed, or a gardener could check humidity levels near indoor plants. The interface is generally intuitive, though the graph controls could be slightly more responsive. A minor but appreciated feature is the ability to save specific readings, allowing for simple comparisons between different rooms or times. Although no formal user reviews are present in the App Store at this time, analysis of similar utility apps suggests that the primary user feedback typically centers on calibration and expectation management. Users often report that understanding the sensor's location within the device—and how body heat or a phone case can influence readings—is key to interpreting the data realistically. For consistent accuracy, it's recommended to place the phone on a stationary surface for a few minutes before taking a measurement. Overall, the Indoor Thermometer app fulfills its basic premise effectively. It provides a functional digital readout of environmental conditions with the convenience of always being on your phone. Its value is highest for those seeking occasional, general readings rather than lab-grade data. The lack of intrusive ads or complex features keeps the experience focused, though the absence of deeper analytics or export options might limit its usefulness for more serious hobbyists.