
Engerwall Fitness Tracker
Score: 75/100
Fitvii Fitness Tracker
Score: 70/100Rankings

The Engerwall S5-3 offers a 0.96-inch display, up to 14 days of battery life, IP68 water resistance, and a suite of health sensors across 16 sport modes. However, it lacks built-in GPS, has a modest resolution screen, and sleep tracking accuracy is questionable. Best suited for budget-conscious beginners who need basic activity and health monitoring.

Fitvii FITVII is a feature-rich fitness tracker with a 1.69-inch screen, 7-day battery life, built-in Bluetooth calling, and extensive health monitoring including blood pressure and ECG. Accuracy of its medical-grade measurements is limited and the IP67 rating isn't suitable for swimming. Ideal for health-conscious beginners who value on-wrist calling.
| Attribute | ![]() | ![]() |
|---|---|---|
252 hoursbest | 168 hours | |
| ↓ lower better | 51 g | 34 gbest |
0.96 inches | 1.69 inchesbest | |
| ↓ lower better | 2 hoursbest | — |
1 yearsbest | 1 yearsbest | |
16 modes | 120 modesbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Battery & Power(1) | ||
Battery Life (hours) | 252 hours | 168 hours |
Display(1) | ||
Display Size (inches) | 0.96 inches | 1.69 inches |
Features(1) | ||
Sports Modes (modes) | 16 modes | 120 modes |
Build & Design(1) | ||
Weight (g) | 51 g | 34 g |
Connectivity(2) | ||
Bluetooth Version | 5.2 | 5.0 |
GPS | true | false |

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

Professional reviewers consider the Engerwall S5-3 a solid entry-level tracker, emphasizing its long battery, IP68 waterproof rating, and reliable step/heart-rate monitoring while noting the lack of built-in GPS, limited sleep accuracy, and modest display as trade-offs for its low price.
Everyday users generally like the lightweight feel, long battery life, and basic health metrics, but they repeatedly criticize the sleep and calorie tracking accuracy and occasional app sync problems.


Professional reviewers commend the Fitvii FITVII for its long battery life, clear Bluetooth call quality, and extensive sport mode library, noting the inclusion of advanced health sensors like ECG and non-invasive glucose as innovative for the price segment. However, they caution that the blood pressure and glucose measurements are only estimates, the IP67 rating is not swim-proof, and the device lacks broader connectivity options, making it less suitable for serious athletes or medical monitoring.
Everyday users appreciate the multi-day battery, convenient wrist-call feature, and motivating activity and sleep tracking, often highlighting the affordable health insights as a key benefit. Recurring complaints focus on inaccurate blood pressure/glucose readings, occasional app connectivity glitches, a small display, and a perceived cheap build quality, especially when the battery drains faster under heavy use.