
Fitvii Slim Fitness Tracker
Score: 74/100
Fitbit Charge 6
Score: 82/100Rankings

The Fitbit Charge 6 is a slim, lightweight tracker with a bright AMOLED display, built-in GPS and a full suite of health sensors. Its main trade-offs are the mandatory Google account, proprietary charger and lack of an official IP rating. Best suited for beginners to intermediate fitness enthusiasts who value Google services and comprehensive health tracking.

The FITVII Slim is a budget-friendly fitness tracker that adds blood pressure monitoring, SpO₂ and music control to a waterproof metal design. Its limitations include a low-resolution LCD screen and lack of GPS, which may deter more serious athletes. Suited for casual users who want comprehensive health metrics without a high price tag.
| Attribute | ![]() | ![]() |
|---|---|---|
240 hoursbest | 168 hours | |
| ↓ lower better | 49.9 gbest | 133 g |
1.47 inchesbest | 1.04 inches | |
| ↓ lower better | — | 2 hoursbest |
54,400 pixelsbest | — | |
2 yearsbest | — | |
120 modesbest | 40 modes |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Battery & Power(1) | ||
Battery Life (hours) | 240 hours | 168 hours |
Display(2) | ||
Display Size (inches) | 1.47 inches | 1.04 inches |
Display Type | Color | AMOLED |
Features(1) | ||
Sports Modes (modes) | 120 modes | 40 modes |
Build & Design(3) | ||
Weight (g) | 49.9 g | 133 g |
Water Resistance (IP Rating) | IP68 | 50m |
Strap Material | Silicon | Silicone |

Products in the top-left offer the best value (high score, low price).

Professional reviewers view the Fitvii Slim as a compelling budget option thanks to its lightweight build, long battery life, and inclusion of blood pressure and SpO₂ sensors uncommon at this price point. However, they note shortcomings such as the lack of GPS, a modest LCD screen, and incomplete technical details, which may deter more tech-focused buyers.
Everyday users generally praise the tracker for its comprehensive health features, comfortable wear, and useful reminders, seeing it as good value. The most common complaints revolve around blood pressure accuracy, occasional step-count errors, and the desire for more advanced health metrics.

“very happy with other functions”

“useful watch”

“not accurate... main reason for buying, a little disappointed”




Professional reviewers highlight the Charge 6's strong Google integration, accurate built-in GPS, and impressive seven-day battery as key strengths, while noting the mandatory Google account and lack of an official IP rating as drawbacks.
Everyday users praise the tracker for its comfortable fit, reliable health and GPS data, and the convenience of Google Wallet and notification support. Common complaints revolve around the forced Google account login, occasional syncing hiccups, and band sizing issues on smaller wrists.