Deepinder Goyal’s Temple wearable set to launch soon in India; here’s what to expect

When thinking of wearable devices, the first things that usually come to mind are smartwatches or, perhaps, fitness trackers or rings. Deepender Goyal, the founder of Zomato, believes the time has come for a new form of wearable—one unlike anything you have likely seen before. He calls it a Temple. Goyal has been promoting this device for months, and has now announced its upcoming launch in India. But what is a Temple, and what makes it so special?

Based on what has been revealed so far, Temple is a tiny device that attaches to the side of the head—between the forehead and the ear, specifically at the temple—hence its name. Temple is positioned as a high-performance monitor for athletes, designed to track both brain and body activity. This may explain why athletes like PV Sindhu have been spotted wearing it. To date, Temple has been in an experimental phase, meaning Goyal and the team at his health-tech startup (also named Temple) have been testing it.

Temple first caught the public’s eye when Goyal appeared on Raj Shamani’s ‘Figuring Out’ podcast earlier this year, sporting what looked like a small metal clip attached near his temple. Now, Goyal states that the device is nearing a limited launch. In a recent post on X, he noted that the latest version is less than half the size of the one previously shown. In fact, Goyal claims that Temple is now the smallest wearable on the market, though it is worth noting that it is not yet available for purchase. “Temple is now less than half the size of what you’ve seen so far,” he wrote. He also stated that, in terms of volume, Temple is currently the smallest wearable on the market.

“In terms of volume, Temple is now the smallest wearable on the market—and the most powerful. Living and training with Temple is going to change your life.”

Temple is now less than half the size of what you’ve seen so far.

Volumetrically, Temple is now the smallest wearable on the market, and the most^10 powerful. Living and training with Temple is going to change your life.

We will start taking pre-orders for our limited launch… pic.twitter.com/L7tCEW588p

— Deepinder Goyal (@deepigoyal)
August 21, 2026

Goyal also announced that pre-orders for the limited edition Temple are expected to begin soon, with shipments slated for before the end of 2026. The exact dimensions and weight of the new version have not yet been revealed.

So, what is a Temple, and how will it work?

Unlike a smartwatch—which is worn on the wrist and houses sensors, a screen, and a battery—Temple is designed to be placed on the temple. However, this placement is not arbitrary. According to the company, the temple region allows the device to access signals that can be used to study cerebral blood flow, oxygenation, and the body’s response to various activities.

The company has not shared full technical details regarding the hardware, nor has it explained exactly how it captures these signals. What it has revealed is that Temple is designed for continuous, non-invasive monitoring rather than occasional measurements. It claims the device can track changes over time, including during exercise, sleep, stressful situations, recovery, and periods of intense focus.

For athletes, the idea is for this information to complement conventional physical activity data by showing what is happening at a physiological level while they train or recover. One aspect Goyal particularly highlights is a biomarker called “Entropy.”

What is Entropy?

Goyal previously revealed that his team had discovered a biomarker—which they named Entropy—that can only be detected at the temple. “It is a biomarker that can only be read at the temple. Entropy is the real-time cost your body pays to keep you alive—right now, at this very moment,” Goyal explains.

The Temple team has made a breakthrough.

We have discovered (literally discovered) a biomarker, only readable on the temple region, and nowhere else, that measures the real-time cost of you being alive.

We are calling it Entropy™.

It’s a live number on Temple’s home screen,… pic.twitter.com/wEOu29hVBf

— Deepinder Goyal (@deepigoyal)
June 18, 2026

In essence, Entropy refers to a dynamic value reflecting the body’s metabolic and sympathetic activity—or the amount of effort it exerts at any given moment.

Goyal explains that Entropy fluctuates as the organism’s metabolic demands change. Factors such as sleep, stress, exercise, coffee or food consumption, meditation, and even cold-water immersion can influence it. The company has also broken this metric down into two components:

– Resting Entropy: measures the effort required by the body while at rest.

– Peak Entropy: represents the level of activity the body can generate when subjected to intense exertion.

According to the company, lower Resting Entropy is considered positive, while higher Peak Entropy is considered better. Simply put, the former indicates the body’s efficiency at rest, while the latter reflects its performance capacity during exertion.

Temple’s Availability in India

Temple has already moved past the early-access testing phase; Goyal had previously announced that the first 100 units were ready for founding users. He has now confirmed that the company will soon begin accepting pre-orders for a limited launch edition, with shipments expected before the end of 2026.

As for the price, it has not yet been officially revealed. Earlier reports pointed to a figure close to 72,000 rupees, but Goyal later indicated that Temple might launch at around $1,000—approximately 100,000 rupees.