Also, a PurePulse heart rate monitor can be found underneath the casing of both models (although the Charge 3 has an Sp02 monitor as well, which is missing on the Inspire 2). You can’t exactly call the Charge 3 bulky, however, because it’s actually slimmer than the Inspire 2.Īs for controls, both the Inspire 2 and the Charge 3 have an inductive button found on the left of their screen displays which takes you back to the main menu and gives you access to their settings.
The OLED touchscreen display on the Charge 3 is bigger than that of the Inspire 2’s, so it’s definitely more obvious on the wrist. Aside from materials, these two models are also different in terms of size. Their interchangeable straps are made of different materials as well, the Fitbit 2 is designed with a silicone band and the Charge 3 with a textured elastomer one. The Inspire 2 has a plastic body, explaining why it feels so light when worn, while the Charge 3 is made of aluminum, giving it a more premium feel. The Inspire 2 (left) is made of plastic while the Charge 3 (right) is made of aluminum.ĭesign-wise, the most significant difference between the Inspire 2 and the Charge 3 is their materials. The Inspire 2 is lightweight while the Charge 3 has a more premium feel to it. Fitbit Inspire 2 vs Charge 3 Comparison Chartįitbit Inspire 2 vs Charge 3 Comparison Chart Model.Unfortunately, the Inspire 3 appears to be missing the 'Find With Tile' function of the Inspire 2. It connects via Bluetooth and supports Fast Pair on Android devices. The Inspire 3 is compatible with devices running Android 10 or later and those running iOS 14 or later. However, the battery life drops when the always-on display mode is turned on. Other health features common to both fitness trackers are skin temperature variation (temperature manually logged), stress monitoring with breathing exercises, a Daily Readiness Score, and women's health tracking.ĭespite the color display, Fitbit says the Inspire 3 still offers up to 10 days of battery life, the same as its predecessor. This feature rolled out to the Inspire 2 back in April 2022.
However, the Inspire 3 supports Irregular Heart Rhythm Notifications which can also detect signs of atrial fibrillation (AFib) by using the on-board photoplethysmography (PPG) sensor. Both fitness trackers have an optical heart rate monitor for heart rate measurement, but the Inspire 3 adds infrared sensors for blood oxygen monitoring. The Inspire 3 has a color screen with always-on display support and an ambient light sensor, replacing the outdated monochrome display of the Inspire 2.
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