Table 2.
Relative ranking of popular dietary weight-loss smartphone apps. Ranking was determined according to their total score which was calculated from the sum of the scores for each component of the quality assessment criteria.
| Rank | App | Score | |||||
|
|
|
Acc.a | SCAb | TEFc | Us.d | BCTe | TSf |
| 1g | Noom Weight Loss Coach by Noom, Inc (2010, USA) | 5 | 28 | 9 | 19 | 14 | 75 |
| 2 | Calorie Counter PRO by MyNetDiary, Inc (2010, USA) | 3 | 27 | 6 | 17 | 12 | 65 |
| 2g | ControlMyWeight by CalorieKing Wellness Solutions (2012, Australia) | 6 | 28 | 3 | 20 | 8 | 65 |
| 4 | Food Diary and Calorie Tracker by MyNetDiary, Inc (2010, USA) | 3 | 27 | 6 | 16.5 | 11 | 63.5 |
| 5g | Easy Diet Diary by Xyris Software (2011, Australia) | 7 | 27 | 5 | 20 | 4 | 63 |
| 6 | Calorie Counter by SparkPeople (2012, USA) | 8 | 20 | 8 | 15 | 10 | 61 |
| 7g | Jillian Michaels Slim-Down: Weight Loss, Diet & Exercise Solution (2010, USA) | 6 | 22 | 7 | 13 | 9 | 57 |
| 8 | MyPlate Calorie Tracker LITE by Demand Media, Inc (2013, USA) | 6 | 21 | 7 | 17 | 5 | 56 |
| 9g | Calorie Counter by MyFitnessPal, Inc (2009, USA) | 2 | 22 | 8 | 12.5 | 10 | 54.5 |
| 9 | Calorie Counter & Diet Tracker by Calorie Count (2010, USA) | 3 | 25 | 7 | 13.5 | 6 | 54.5 |
| 9g | My Diet Coach Pro by InspiredApps (A.L) Ltd (2012, USA) | 3 | 18 | 6 | 12.5 | 15 | 54.5 |
| 12 | Nutritionist—Dieting made easy by Outlier (2011, USA) | 5 | 22 | 6 | 14 | 7 | 54 |
| 13 | My Diet Diary Calorie Counter by MedHelp, Inc (2011, USA) | 4 | 22 | 5 | 11.5 | 8 | 50.5 |
| 14g | Calorie Counter by FatSecret (2010, USA) | 2 | 22 | 9 | 14.5 | 2 | 49.5 |
| 15 | Cronometer by BigCrunch Consulting, Ltd (2011, USA) | 4 | 22 | 4 | 14.5 | 3 | 47.5 |
| 16 | Value Diary Plus by Fenlander Software Solutions, Ltd (2011, UK) | 0 | 23 | 8 | 12 | 4 | 47 |
| 17 | Diet Watchers Diary by Croc Software (2012, Israel) | 0 | 20 | 3 | 15.5 | 4 | 42.5 |
| 18 | Body Tracker—body fat tracker by Linear Software, LLC (2012, N/Ah) | 3 | 19 | 4 | 10.5 | 4 | 40.5 |
| 19g | Map My (walk, run, ride, fitness) apps by MapMyFitness, Inc (2008, USA) | 6 | 20 | 4 | 4.5 | 5 | 39.5 |
| 19 | Map My + (walk, run, ride, fitness) apps by MapMyFitness, Inc (2008, USA) | 6 | 20 | 4 | 4.5 | 5 | 39.5 |
| 21 | Pts Plus Weight Diary by Frippware (2012, N/A) | 0 | 20 | 4 | 11 | 4 | 39 |
| 22 | Point Tracker Weight Watchers by PointTracker (N/A, UK) | 0 | 18 | 3 | 13 | 3 | 37 |
| 23 | Points Calculator & Weekly Weight Loss by Christian Robert Gossain (2011, N/A) | 1 | 20 | 2 | 11 | 2 | 36 |
| 24 | Argus—Pedometer, Run, Cycle by Azumio (2013, USA) | 4 | 6 | 6 | 10.5 | 8 | 34.5 |
| 25 | TwoGrand by TwoGrand, Inc (2013, USA) | 2 | 0 | 5 | 15.5 | 7 | 29.5 |
| 26g | Michelle Bridges 12WBTi(2012, Australia) | 6 | 6 | 1 | 11.5 | 3 | 27.5 |
| 27 | FoodTrackerPro by Aspyre Solutions (2010, Australia) | 2 | 4 | 4 | 13 | 3 | 26 |
| 28 | Food Journal by Katie Wright (2012, USA) | 1 | 0 | 0 | 15 | 1 | 17 |
| Mean (SD) | 3.5 (2.3) | 18.8 (8.0) | 5.1 (2.3) | 13.5 (3.7) | 6.3 (3.7) | 47.3 (13.9) | |
aAcc.: accountability (out of 8).
bSCA: scientific coverage and accuracy (out of 32).
cTEF: technology-enhanced features (out of 14).
dUs.: usability (out of 20).
eBCT: behavior change technique (out of 26).
fTS: total score (out of 100).
gEvaluated by two assessors for inter-rater reliability purposes.
hN/A: not applicable (as country or year was unavailable).
i12WBT: 12 Week Body Transformation.