Buy the LIVIKEY Fitness Tracker Watch.

Proven by thousands of buyers for a fifth of the price, while the Bestinn watch is basically unproven and unbuyable right now.

What was compared

Fitness Tracker Watch with Heart Rate, Activity Tracker, Pedometer Watch | Step Counter, H... — $19.99
Smart Watch Fitness Tracker with 24/7 Heart Rate, Blood Oxygen Blood Pressure Monitor Slee... — $129.99

1. Thousands of real buyers vs almost none
The LIVIKEY has 8,066 ratings at 4.0 stars and is Amazon's Choice with 2,000+ bought last month. The Bestinn watch has just 28 ratings at 3.9 stars, which is not enough data to trust for a device you wear daily.
2. You literally cannot buy the Bestinn right now
The Bestinn listing shows no featured offers available and cannot ship to some locations, meaning it is sitting in a broken buying state. The LIVIKEY is in stock and shipping now, which matters more than a spec sheet.
3. Same core job, one sixth the price
Both track steps, heart rate, and sleep. Paying $129.99 instead of $19.99 for the Bestinn only makes sense if the extra sensors are trustworthy, and there is no evidence here that they are.
4. Blood pressure on a wrist band is a gimmick
Cuffless wrist blood pressure readings are not clinically validated on consumer wearables at this price point, LIVIKEY or Bestinn. The Bestinn leans hard on this feature in its marketing, but it is not medical-grade data you should act on.
5. Yes, it has more sensors. Doesn't matter yet.
The Bestinn packs blood pressure, blood oxygen, and 120 sport modes on paper, sounding like the bigger winner. But with only 28 reviews nobody has actually confirmed those extra sensors work well, while the LIVIKEY's core tracking is validated by thousands of real owners.