Related Experiment Video
Updated: Nov 8, 2025
04:54
Iterative Development of an Innovative Smartphone-Based Dietary Assessment Tool: Traqq
Published on: March 19, 2021
4.9K
User Perspectives of Diet-Tracking Apps: Reviews Content Analysis and Topic Modeling
Mila Zečević1, Dejan Mijatović2, Mateja Kos Koklič1
1School of Economics and Business, University of Ljubljana, Ljubljana, Slovenia.
Journal of Medical Internet Research
|April 22, 2021
Summary
Diet-tracking apps are popular for weight management, but user reviews show a need for developers to address technical issues and payment transparency to improve long-term user engagement and goal achievement.
Area of Science:
- Digital Health
- Nutrition Science
- Human-Computer Interaction
Background:
- Mobile health apps are increasingly used for health and nutrition management.
- Diet-tracking apps offer user-friendly tools for weight loss and management.
- Understanding user needs is crucial for sustained engagement with dietary self-monitoring tools.
Purpose of the Study:
- To identify key topics and issues users discuss in diet-tracking app reviews.
- To analyze user ratings and feedback to pinpoint areas for app improvement.
- To enhance app usability and support weight management efforts.
Main Methods:
- Collected 72,084 user reviews from Google Play Store for 15 diet-tracking apps.
- Applied text-mining techniques, including topic modeling and topical n-grams.
- Analyzed user feedback to extract 11 distinct topics and identify frequently mentioned n-grams.
Main Results:
- Users generally rated diet-tracking apps highly (average 4.4/5).
- Positive feedback focused on app usability and tracking functions.
- Negative feedback highlighted issues with adding new foods, technical problems, and app charges.
Conclusions:
- Improving technical support and payment clarity can enhance user loyalty.
- Addressing user-identified issues can help motivate long-term app use for nutrition goals.
- Developers should focus on technical problem resolution and transparent financial policies.
Related Concept Videos
01:23Dietary Connections
59.9K
In biological systems, most metabolic pathways are interconnected. The cellular respiration processes that convert glucose to ATP—such as glycolysis, pyruvate oxidation, and the citric acid cycle—tie into those that break down other organic compounds. As a result, various foods—from apples to cheese to guacamole—end up as ATP. In addition to carbohydrates, food also contains proteins and lipids—such as cholesterol and fats. All of these organic compounds are used...
59.9K
01:09Apparent Weight
9.2K
True weight is the measure of the gravitational force acting on an object. However, if the object accelerates, its measured weight is different from its true weight. Similar observations can be made when the object is submerged in water. An object's weight in water is its apparent weight, which is equal to the difference between its true weight and the buoyant forces.
Consider a person standing on a bathroom scale inside an elevator. If the scale is accurate at rest, its reading equals the...
Consider a person standing on a bathroom scale inside an elevator. If the scale is accurate at rest, its reading equals the...
9.2K
01:13Mass Analyzers: Overview
1.2K
The mass analyzer is a crucial component of the mass spectrometer. In the ionization chamber, the vaporized sample is bombarded with a high-energy electron beam to generate a radical cation and further fragment into neutral molecules, radicals, and cations. A series of negatively charged accelerator plates accelerate the cations into the mass analyzer. The mass analyzer separates ions according to their mass-to-charge (m/z) ratios and then directs them to the detector. The common types of mass...
1.2K
01:40Overview of Metabolism
35.8K
Living cells constantly carry out various chemical reactions which are necessary for their proper functioning. These reactions are interlinked to one another via multiple pathways. The collection of these chemical reactions is known as metabolism.
Plant Metabolism
Sunlight, the primary source of energy in plants, is first absorbed by the chlorophyll pigments present in their leaves. Plants then use this energy to carry out photosynthesis, where water is oxidized into oxygen and carbon dioxide...
Plant Metabolism
Sunlight, the primary source of energy in plants, is first absorbed by the chlorophyll pigments present in their leaves. Plants then use this energy to carry out photosynthesis, where water is oxidized into oxygen and carbon dioxide...
35.8K
02:57The Sense of Self: Reflected Self-Appraisal and Social Comparison
53.8K
According to Charles Cooley, we base our image on what we think other people see (Cooley 1902). We imagine how we must appear to others, then react to this speculation. We don certain clothes, prepare our hair in a particular manner, wear makeup, use cologne, and the like—all with the notion that our presentation of ourselves is going to affect how others perceive us. We expect a certain reaction, and, if lucky, we get the one we desire and feel good about it. But more than that, Cooley...
53.8K
01:36Carbohydrate Metabolism
12.9K
Carbohydrates are polymers composed of molecules containing atoms of carbon, hydrogen and oxygen. One gram of carbohydrate can provide four kilo-calories of energy, which makes it the most efficient instant energy source.
Starch accounts for approximately 60% of the carbohydrates consumed by humans. Since amylase enzymes cannot function in the stomach's acidic environment, starch can only be digested in the mouth and small intestine. Simple sugars are found naturally in milk and fruits in...
Starch accounts for approximately 60% of the carbohydrates consumed by humans. Since amylase enzymes cannot function in the stomach's acidic environment, starch can only be digested in the mouth and small intestine. Simple sugars are found naturally in milk and fruits in...
12.9K