Question 1

Which is better, TENS 7000 Digital Unit or Fitbit Charge 6 Activity Tracker?

Accepted Answer

Based on our testing, the TENS 7000 Digital Unit scores higher overall at 8.5/10. The TENS 7000 Digital Unit scored 8.5/10 and the Fitbit Charge 6 Activity Tracker scored 8.4/10 in our Best Tech for Knee Pain and Joint Health 2026 evaluation.

Question 2

Is the TENS 7000 Digital Unit worth it over the Fitbit Charge 6 Activity Tracker?

Accepted Answer

The TENS 7000 Digital Unit scores 8.5/10 while the Fitbit Charge 6 Activity Tracker scores 8.4/10. The TENS 7000 Digital Unit is our "Best TENS Unit for Knee Pain" pick in the Best Tech for Knee Pain and Joint Health 2026 category.

TENS 7000 Digital Unit vs Fitbit Charge 6 Activity Tracker: Which to Buy?