In 2024, the Calorie Counter app had the largest number of collected data points possibly linked to the user identity. Out of the total 22 collected data types, 20 were linked to the users' identity, while seven data points could potentially be used to track users. Calorie counting app Eato did not display any of the collected data types that could potentially be used to track users. The iOS mobile app for the Weight Watchers Program collected seven different data points that were not linked to users.
Number of unique data points collected from selected iOS diet and weight loss apps worldwide as of January 2025, by type
Characteristic
Data used to track
Data linked to the user
Data not linked to the user
Calorie Counter - MyNetDiary
7
20
2
BodyFast: Intermittent Fasting
5
17
0
Foodvisor - Calorie Counter
6
16
0
Simple: Weight Loss Coach
4
14
0
Eato®: AI Calorie Counter
0
14
0
YAZIO Calorie Counter & Diet
4
13
0
Fastic AI Food Calorie Scanner
5
11
0
WeightWatchers Program
3
10
7
HitMeal Calorie & Food Tracker
1
10
3
Noom Weight Loss, Food Tracker
2
9
1
Lifesum Food & Calorie Tracker
2
8
1
Lose It! – Calorie Counter
1
7
2
MyFitnessPal: Calorie Counter
1
3
4
0510152025
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SurfShark. (January 13, 2025). Number of unique data points collected from selected iOS diet and weight loss apps worldwide as of January 2025, by type [Graph]. In Statista. Retrieved April 08, 2025, from https://www.statista.com/statistics/1559523/collection-and-tracking-ios-nutrition-apps/
SurfShark. "Number of unique data points collected from selected iOS diet and weight loss apps worldwide as of January 2025, by type." Chart. January 13, 2025. Statista. Accessed April 08, 2025. https://www.statista.com/statistics/1559523/collection-and-tracking-ios-nutrition-apps/
SurfShark. (2025). Number of unique data points collected from selected iOS diet and weight loss apps worldwide as of January 2025, by type. Statista. Statista Inc.. Accessed: April 08, 2025. https://www.statista.com/statistics/1559523/collection-and-tracking-ios-nutrition-apps/
SurfShark. "Number of Unique Data Points Collected from Selected Ios Diet and Weight Loss Apps Worldwide as of January 2025, by Type." Statista, Statista Inc., 13 Jan 2025, https://www.statista.com/statistics/1559523/collection-and-tracking-ios-nutrition-apps/
SurfShark, Number of unique data points collected from selected iOS diet and weight loss apps worldwide as of January 2025, by type Statista, https://www.statista.com/statistics/1559523/collection-and-tracking-ios-nutrition-apps/ (last visited April 08, 2025)
Number of unique data points collected from selected iOS diet and weight loss apps worldwide as of January 2025, by type [Graph], SurfShark, January 13, 2025. [Online]. Available: https://www.statista.com/statistics/1559523/collection-and-tracking-ios-nutrition-apps/
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