Table 1 Fitbit and Jawbone activity tracker characteristics (searched May-July 2015)
From: Systematic review of the validity and reliability of consumer-wearable activity trackers
Tracker | Released date | Selected measures | Placement | Size (cm) | Weight (g) | Cost (US$) | Discontinuation |
|---|---|---|---|---|---|---|---|
Fitbit | |||||||
Fitbit Classic (also referred to as the "original Fitbit" or "Fitbit Tracker") | September 2008 | Steps, distance, calories, sleep | Waist, pocket, bra | 5.5(h) × 1.9(w) × 1.4(d) | 11 | Not available | Winter 2012: discontinued |
Fitbit Ultra | October 2011 (new hardware upgrade to the Classic) | Steps, distance, calories, sleep, altimeter | Waist, pocket, bra, wrist (requires Ultra sleep band) | 5.5(h) × 1.9(w) × 1.4(d) | 11 | Not available | August 2012: discontinued |
Fitbit One | September 2012 (update to the Ultra) | Steps, distance, calories, active minutes, sleep, altimeter | Waist, pocket, bra | 4.8(h) × 1.9(w) × 1.0(d) | 9 | 99.95 |  |
Fitbit Zip | May 2013 | Steps, distance, calories, active minutes | Waist, pocket, bra | 3.6(h) × 2.9(w) × 1.0(d) | 8 | 59.95 |  |
Fitbit Flex | May 2013 | Steps, distance, calories, active minutes, sleep | Wrist | Small: 14.0–17.6(c) × 1.4(w) | 13 | 99.95 |  |
Large: 16.1–20.9(c) × 1.4(w) | 15 | ||||||
Fitbit Force | October 2013 | Steps, distance, calories, active minutes, sleep, altimeter | Wrist | Small: 14.0–17.6(c) × 1.9(w) | 31 | Not available | February 2014: recalled by company because of skin reactions to the band |
Large: 16.1–20.9(c) × 1.9(w) | |||||||
Fitbit Charge | November 2014 | Steps, distance, calories, active minutes, altimeter, sleep | Wrist | Small: 14.0–17.0(c) × 2.1(w) | 23 | 129.95 |  |
Large: 16.1–20.0(c) × 2.1(w) | |||||||
Extra Large: 19.8–23.0(c) × 2.1(w) | |||||||
Fitbit Surge | January 2015 | Steps, distance, calories, active minutes, altimeter, sleep, heart rate, GPS | Wrist | Small: 14.0–16.0(c) × 3.4(w) | 77 | 249.95 |  |
Large: 16.0–19.8(c) × 3.4(w) | |||||||
Extra Large: 19.8–22.6(c) × 3.4(w) | |||||||
|  |  |  |  | Small: 14.0–17.0(c) × 2.1(w) |  |  |  |
Fitbit Charge HR | January 2015 | Steps, distance, calories, active minutes, altimeter, sleep, heart rate | Wrist | Large: 16.1–19.4(c) × 2.1(w) | 23 | 149.95 |  |
Extra Large: 19.4–23.0(c) × 2.1(w) | |||||||
Jawbone | |||||||
Jawbone UP | November 2011 | Steps, calories, distance (app), sleep | Wrist | Small: 14.0–15.5 | 19 | 99.99 | December 2011: company provided refunds because the band had trouble holding a charge and synching to the band hardware |
Medium: 15.5–18.0 | 21 | ||||||
Large: 18.0–20.0 | 23 | ||||||
Jawbone UP24 | November 2013 | Steps, calories, distance (app), sleep | Wrist | Small: 5.2(w) × 3.5(h) (inner); 6.6(w) × 5.0(h) (outer) | 19 | 129.99 | July 2015: no longer for sale on the company's website |
Medium: 6.3(w) × 4.0(h) (inner); 7.6(w) × 5.4(h) (outer) | 22 | ||||||
Large: 6.9(w) × 4.3(h) (inner); 8.1(w) × 5.6(h) (outer) | 23 | ||||||
Jawbone UP MOVE | November 2014 | Steps, calories, distance (app), sleep | Waist, pocket, bra, wrist (requires separate wrist strap) | 2.8(diameter) × 1.0(d) | 7 | 49.99 |  |
Jawbone UP2 | April 2015 | Steps, calories, distance (app), sleep | Wrist | 14.0–19.0(c) × 1.2(w) | 25 | 99.99 |  |
Jawbone UP3 | November 2014 | Steps, calories, distance (app), sleep, bioimpedance (heart rate, respiration, galvanic skin response), skin and ambient temperature | Wrist | 14.0–19.0(c) × 1.2(w) | 29 | 179.99 |  |
Jawbone UP4 | July 2015 | Steps, calories, distance (app), sleep, bioimpedance (heart rate, respiration, galvanic skin response), skin and ambient temperature | Wrist | 14.0–19.0(c) × 1.2(w) | 29 | 199.99 |  |