Deepinder Goyal's ₹85,000 Temple Wearable Challenges Apple Watch and Garmin

Deepinder Goyal, the founder of Zomato, has launched a new health-tech venture with the introduction of the ₹85,000 Temple wearable device. Unlike traditional fitness trackers, Temple is designed to be worn on the side of the forehead, near the temple, and aims to provide insights into brain blood flow and physiological strain. Pre-orders for the device began on November 1, 2026, with deliveries expected to take around three months. The wearable is marketed as a specialized tool for tracking physiological signals, offering features that set it apart from established competitors like the Apple Watch and Garmin.

Temple's primary innovation lies in its placement and the type of data it collects. Utilizing optical sensors positioned against the skin near the superficial temporal artery, Temple measures two key metrics: BrainFlow and Entropy. BrainFlow tracks changes in blood circulation within the brain, while Entropy provides a score from 1 to 250, indicating the body's effort to maintain homeostasis during various activities, including sleep, exercise, and stress.

In contrast, the Apple Watch Series 12 and Garmin devices focus on a broader range of health and fitness features. The Apple Watch tracks heart rate, workouts, sleep, and includes advanced features like blood oxygen monitoring and ECG readings. Garmin's Forerunner 970 is particularly favored by athletes for its GPS tracking and performance data.

At ₹85,000, Temple is positioned between the Apple Watch Series 12, which starts at ₹56,900, and Garmin's Forerunner 970, priced at ₹92,990. This pricing strategy raises questions about the value proposition of Temple. While it does not offer the smartwatch functionalities of notifications or apps, it aims to carve out a niche by providing specialized insights into brain circulation and physiological strain.

Goyal has emphasized that Temple is not intended to replace traditional fitness trackers but rather to complement them by offering unique data that could enhance users' understanding of their health. This approach could attract consumers who are particularly interested in the physiological aspects of fitness and recovery.

One of the most significant claims made by Goyal is that Temple can measure heart rate more accurately than leading wearables, including the Apple Watch and Garmin. In a study conducted by the company, Temple was compared against several devices, including the Polar H10 chest strap, which served as a reference. According to Goyal, Temple demonstrated lower measurement errors across various exercise intensities, with the Apple Watch performing comparably.

However, these findings stem from a company-led study, raising concerns about potential bias. Independent verification of these claims is crucial for establishing credibility in the competitive wearable market. Goyal has stated that the research paper and data are available for scrutiny and that the company welcomes independent testing.

The scientific community has expressed skepticism regarding the efficacy of Temple's BrainFlow technology. Medical professionals have questioned whether an optical sensor placed near the temple can reliably measure changes in brain blood circulation. This skepticism highlights the need for further research and validation before Temple can be fully endorsed as a reliable health-monitoring device.

As Temple enters the market, it faces the challenge of proving its claims through rigorous independent testing. The device's unique approach to health tracking could either redefine the wearable landscape or struggle to gain traction against established brands that have built trust over the years.

Deepinder Goyal's Temple wearable represents an ambitious attempt to innovate within the crowded fitness tracker market. By focusing on brain circulation and physiological strain, Temple aims to offer insights that traditional wearables do not. However, its success will depend on the device's ability to deliver on its promises and gain acceptance from both consumers and the scientific community.

As the wearable technology landscape continues to evolve, Temple's unique positioning could either lead to a new category of health devices or become another footnote in the history of fitness technology. With the first batch of devices set to ship in early 2027, the coming months will be critical for Temple as it seeks to establish itself in a competitive market.