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As of May 2023, product interaction data were the most commonly collected data points, with 94 over the 100 analyzed apps reporting to collect such data. User ID and crash data were collected by by 93 and 92 apps over 100, respectively. Over the 10 leading shopping apps hosted on the Apple App Store, the totality collected precise location, physical address, and payment info.

Number of leading mobile iOS apps within selected categories collecting data points worldwide as of May 2023, by type

Characteristic	AI tools	Entertainment (music, books, podcasts)	Finance	Games	Health & fitness	Shopping & food delivery	Social media & messaging	Travel & mobility	Work & education	Other
Product Interaction	7	10	10	10	10	10	8	10	10	9
User ID	8	9	9	10	9	10	9	10	10	9
Crash Data	9	9	10	9	8	10	8	10	10	9
Device ID	7	9	10	10	8	10	8	9	8	8
Performance Data	6	10	9	7	6	9	8	10	10	10
Email Address	3	8	9	8	10	10	8	10	10	7
Purchase History	5	8	8	8	6	9	9	7	5	5
Name	2	5	8	2	9	10	6	8	10	7
Coarse Location	3	7	5	6	5	7	7	10	6	9
Customer Support	5	5	6	8	6	9	7	7	7	4
Other Diagnostic Data	2	7	7	7	4	9	7	8	7	5
Advertising Data	3	6	6	7	6	7	7	9	3	8
Photos or Videos	4	6	2	3	5	9	8	6	8	6
Phone Number	0	4	8	1	4	9	9	8	6	6
Search History	0	8	2	1	3	10	7	8	7	4
Other User Content	3	7	4	3	4	5	8	5	4	5
Precise Location	0	1	5	2	4	10	5	10	2	7
Physical Address	0	3	7	0	2	10	5	8	2	3
Other Data Types	2	6	4	3	3	6	3	5	3	3
Contacts	0	3	4	4	2	5	7	2	6	4
Payment Info	0	3	6	0	1	10	5	9	1	0
Other Usage Data	1	4	5	5	1	6	4	6	1	2
Audio Data	0	5	0	1	1	3	6	3	4	2
Emails or Text Messages	2	1	0	0	3	2	5	3	3	1
Browsing History	0	1	2	1	0	5	4	2	1	3
Sensitive Info	0	2	2	0	4	1	2	2	0	3
Other User Contact Info	1	2	4	0	0	2	3	2	0	1
Health	0	1	0	0	10	1	2	0	0	1
Gameplay Content	0	1	0	8	0	0	4	0	0	1
Other Financial Info	0	0	7	0	0	2	3	1	0	0
Fitness	0	1	0	1	7	0	2	0	0	1
Credit Info	0	0	5	0	0	0	2	1	0	0

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Release date

December 2023

More information

Region

Worldwide

Survey time period

May 17, 2023

Special properties

iOS apps only, analysis of 100 apps across 10 app categories

Supplementary notes

According to the source: "The App Store lists 32 unique data points that can be collected across 12 unique data point categories."

The source defines "data-hungry" apps:"if they collect more than the avg. data points and use the majority (>90%) of data to track the user, or the majority of collected data points are linked to user identity."

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