As of February 2024, Calm app was reported to collect 13 data points linked to the app user identity. The meditation app Headspace saw 10 of its collected data points being related to the identity of their users. Calm and Sleep Reset apps on iOS did not present any of the collected data points to possibly track users.
Number of unique data points collected from selected iOS meditation and sleep apps worldwide as of February 2024, by type
Characteristic
Data used to track
Data linked to user
Data not linked to the user
Calm
0
13
0
Headspace: Sleep & Meditation
4
10
0
RISE: Sleep Tracker
1
8
2
Stellar Sleep: Insomnia CBT
1
8
4
Sleep Reset: CBT for Insomnia
0
1
7
Bedtime stories-StellaSleep
2
1
6
Sleep Easy: Insomnia Therapy
1
1
4
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SurfShark. (December 15, 2024). Number of unique data points collected from selected iOS meditation and sleep apps worldwide as of February 2024, by type [Graph]. In Statista. Retrieved April 05, 2025, from https://www.statista.com/statistics/1559653/collection-and-tracking-ios-meditation-apps/
SurfShark. "Number of unique data points collected from selected iOS meditation and sleep apps worldwide as of February 2024, by type." Chart. December 15, 2024. Statista. Accessed April 05, 2025. https://www.statista.com/statistics/1559653/collection-and-tracking-ios-meditation-apps/
SurfShark. (2024). Number of unique data points collected from selected iOS meditation and sleep apps worldwide as of February 2024, by type. Statista. Statista Inc.. Accessed: April 05, 2025. https://www.statista.com/statistics/1559653/collection-and-tracking-ios-meditation-apps/
SurfShark. "Number of Unique Data Points Collected from Selected Ios Meditation and Sleep Apps Worldwide as of February 2024, by Type." Statista, Statista Inc., 15 Dec 2024, https://www.statista.com/statistics/1559653/collection-and-tracking-ios-meditation-apps/
SurfShark, Number of unique data points collected from selected iOS meditation and sleep apps worldwide as of February 2024, by type Statista, https://www.statista.com/statistics/1559653/collection-and-tracking-ios-meditation-apps/ (last visited April 05, 2025)
Number of unique data points collected from selected iOS meditation and sleep apps worldwide as of February 2024, by type [Graph], SurfShark, December 15, 2024. [Online]. Available: https://www.statista.com/statistics/1559653/collection-and-tracking-ios-meditation-apps/
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