Table 5.

Nutrition-related app output features.

Feature/app		SHa	MFPb	FSc	NCd	LIe	LWf	LSg	MDDh	CCi	MDCj	DPk	EWLl	DAm
Nutrition assessment
	Calculated energy (kcal)	✓	✓	✓	✓	✓	✓	✓	✓	✓	N/An	✓	✓	N/A
	Macronutrients distribution (%)	✓	✓	✓		✓	✓	✓	✓	✓	N/A	N/A	N/A	N/A
	Micronutrients intake (thresholds)	✓	✓	✓		✓				✓	N/A	N/A	N/A	N/A
	Nutrition facts	✓	✓	✓	✓	✓		✓	✓	✓	N/A	N/A	N/A	N/A
	Calories by meal	✓	✓	✓	✓	✓	✓	✓	✓	✓	N/A	N/A	N/A	N/A
	Recommended water consumption	✓					✓	✓			✓	✓
	Maximum calories to reach a target weight		✓	✓	✓	✓	✓	✓	✓	✓		✓
	Calories of the new recipe		✓	✓		✓		✓			N/A	N/A	N/A	N/A
	Diet plan						✓					✓	✓	✓
	Shopping list											✓
PAº and phenotype
	Energy by type of PAp	✓	✓	✓	✓	✓	✓	✓		✓
	Weight progress	✓	✓	✓	✓	✓	✓		✓	✓	✓	✓		✓
	Circumferences monitoring		✓				✓
	Body mass index	✓					✓					✓	✓	✓
Other output features
	Forums or blogs		✓	✓		✓			✓	✓		✓		✓
	Social media sharing		✓		✓		✓			✓	✓	✓
	Private social media		✓	✓		✓				✓
	Sharing with professionals			✓
	Healthy habits/ rewards	✓									✓

^aSH: S Health.

^bMFP: MyFitnessPal.

^cFS: FatSecret.

^dNC: Noom Coach.

^eLI: Lose it!.

^fLW: Lose Weight Without Dieting.

^gLS: Lifesum.

^hMDD: My Diet Diary.

ⁱCC: Calorie Count.

^jMDC: My Diet Coach.

^kDP: Diet Point.

^lEWL: Effective Weight Loss.

^mDA: Diet Assistant.

ⁿN/A: not applicable. Features assessed only in apps providing food diaries.

^oPA: physical activity.

^pMDD does not calculate PA since it asks for the amount of calories instead of type of PA and duration.