Trackers inside apps
74 tracker families.
Sort by clicking a column heading.
Many free apps carry small components from other companies that count users, show adverts or report crashes. They are not part of the phone, so the phone settings on this site only partly reach them. Resetting your advertising ID and refusing tracking requests do the most.
74 shown
| Collects | |||||
|---|---|---|---|---|---|
| Adjust | AppLovin Corporation | Attribution | 3/5 | advertising ID, IP address, device fingerprints, install metrics, app events Users can opt out through Adjust's website opt-out mechanism or by disabling tracking permissions on the device. | Yes |
| Adobe Analytics | Adobe | Analytics | 2/5 | device identifiers, app events, IP address, user engagement metrics Users can opt out through Adobe's global privacy opt-out mechanism or in-app consent preferences. | Yes |
| Airship | Urban Airship, Inc. | Analytics | 2/5 | notification tokens, device identifiers, message interactions, coarse location, app usage data Users can withdraw notification and location permissions in system settings to halt related telemetry. | Partly |
| Amplitude | Amplitude, Inc. | Analytics | 2/5 | user interaction events, device details, IP address, app version, session metadata Users rely primarily on in-app consent preferences or application-level opt-out settings according to its documentation. | Partly |
| Apple SKAdNetwork | Apple | Attribution | 1/5 | campaign identifiers, conversion values, cryptographic signatures This privacy-preserving framework functions without user-identifiable data, so no separate end-user opt-out exists. | No |
| AppLovin MAX | AppLovin Corporation | Advertising | 3/5 | advertising ID, device specifications, IP address, ad interaction data, coarse location Users can opt out of interest-based ads via AppLovin's website or by resetting their mobile advertising ID. | Partly |
| AppsFlyer | AppsFlyer Ltd. | Attribution | 3/5 | advertising ID, IP address, install source, in-app events, device identifiers AppsFlyer provides an official web-based opt-out form alongside device-level tracking restrictions. | Yes |
| Appsflyer Protect360 | AppsFlyer | Fingerprinting | 4/5 | device identifiers, hardware characteristics, IP address, app events Users can use AppsFlyer web-based privacy forms to request an opt-out from marketing and attribution profiling. | Partly |
| Apptimize | Airship | Analytics | 2/5 | device identifiers, app events, device model, IP address Users can reduce data collection through in-app consent tools and device tracking settings. | Partly |
| Baidu Mobile Stats | Baidu | Analytics | 3/5 | device identifiers, app events, IP address, hardware details Collection can be restricted where developers provide an in-app analytics toggle or by restricting system permissions. | Partly |
| Branch | Branch Metrics, Inc. | Attribution | 3/5 | deep link data, advertising ID, IP address, device parameters, app events Users can opt out of certain Branch tracking services via their online opt-out page or device settings. | Partly |
| Braze | Braze, Inc. | Analytics | 2/5 | user engagement data, push notification tokens, device properties, in-app purchases, coarse location Users can disable notifications or use in-app preference centres to limit marketing engagement tracking. | Partly |
| Bugsnag | SmartBear Software | Crash reporting | 1/5 | crash reports, device model, thread states, system architecture, IP address End users can occasionally limit crash reporting through diagnostic toggles within application settings. | Partly |
| Chartboost | Zynga | Advertising | 3/5 | advertising ID, IP address, device identifiers, app events Users can limit ad tracking by resetting or deleting the advertising identifier in their device settings or via in-app consent dialogs. | Partly |
| CleverTap | CleverTap | Analytics | 3/5 | device identifiers, app events, IP address, push tokens Users can manage tracking preferences using in-app consent controls and device advertising identifier resets. | Partly |
| Criteo | Criteo | Advertising | 3/5 | advertising ID, browsing behaviour, IP address, device identifiers, purchase events Users can opt out directly via Criteo's online privacy portal or by resetting their mobile advertising identifier. | Yes |
| Datadog RUM | Datadog | Analytics | 2/5 | app events, performance metrics, device model, IP address, crash logs Data collection is typically managed through the hosting application's telemetry and consent settings. | Partly |
| Digital Turbine | Digital Turbine | Advertising | 4/5 | device identifiers, advertising ID, installed apps, IP address Data collection can be limited by resetting the device advertising ID or disabling the system-level app if permitted. | Partly |
| Facebook SDK | Meta Platforms, Inc. | Analytics | 4/5 | advertising ID, device identifiers, app events, IP address, social profile data Users can manage off-Facebook activity in their account privacy settings or reset their device advertising ID. | Partly |
| Flurry Analytics | Yahoo | Analytics | 3/5 | advertising ID, device specifications, session statistics, app events, coarse location Yahoo provides a dedicated Flurry opt-out page allowing users to register their device identifiers. | Yes |
| Foursquare Pilgrim | Foursquare | Location | 5/5 | precise location, device identifiers, sensor data, Wi-Fi data Collection can be limited by revoking background location permissions or resetting the advertising identifier. | Partly |
| Fysical | Fysical | Location | 5/5 | precise location, device identifiers, timestamp, IP address Users can restrict transmission of location data by disabling location permissions entirely. | Partly |
| Google AdMob | Google LLC | Advertising | 3/5 | advertising ID, IP address, device identifiers, coarse location, app interactions Users can limit ad tracking or delete their advertising ID via device system settings. | Partly |
| Google Ads conversion | Google LLC | Attribution | 3/5 | advertising ID, install attribution, IP address, purchase events Users can limit tracking by deleting or resetting their mobile advertising ID in device settings. | Partly |
| Google Crashlytics | Google LLC | Crash reporting | 1/5 | stack traces, device state, operating system version, device model Some applications provide an in-app toggle to opt out of sharing anonymous crash diagnostics. | Partly |
| Google Firebase Analytics | Google LLC | Analytics | 3/5 | device identifiers, app events, IP address, coarse location, user engagement metrics Users can restrict tracking through in-app consent banners or by resetting the device advertising ID. | Partly |
| Google Maps SDK | Location | 4/5 | precise location, device identifiers, IP address, diagnostics Users can manage location access via system app permissions or manage Google account data controls. | Partly | |
| Google Privacy Sandbox Attribution | Attribution | 1/5 | aggregated conversion data, campaign identifiers, coarse event data Users can turn off Privacy Sandbox ad measurement features directly within the device privacy settings. | Yes | |
| HERE SDK | HERE Technologies | Location | 4/5 | precise location, device identifiers, diagnostics, sensor data Users can deny or restrict location permissions to reduce continuous location reporting. | Partly |
| Huawei HMS Analytics | Huawei | Analytics | 2/5 | device identifiers, app events, IP address, network information Users can limit analytical data sharing via Huawei system privacy settings or in-app analytics toggles. | Partly |
| Huq | Huq Industries | Location | 5/5 | precise location, device identifiers, Wi-Fi data, IP address Users can prevent location access via device settings or by deleting mobile ad identifiers. | Partly |
| InMobi | InMobi | Advertising | 3/5 | advertising ID, coarse location, IP address, device identifiers, app events Users can restrict processing by withdrawing consent through in-app consent banners or by disabling personalised ads in their device settings. | Partly |
| Instabug | Instabug | Crash reporting | 2/5 | crash logs, device identifiers, stack traces, network information Crash reporting can be managed through in-app feedback preferences and bug-reporting toggles. | Partly |
| Iovation (TransUnion) | TransUnion | Fingerprinting | 4/5 | hardware characteristics, device identifiers, IP address, network parameters Users cannot directly opt out as data is collected under fraud prevention and risk assessment exemptions. | No |
| ironSource | Unity Technologies | Advertising | 3/5 | advertising ID, IP address, device hardware data, ad view metrics, installed apps list Opt-outs can be initiated through ironSource's web privacy portal or via system-level ad tracking restrictions. | Partly |
| Kochava | Kochava Inc. | Attribution | 4/5 | advertising ID, coarse location, device identifiers, install source, app events Users can limit data collection by deleting the advertising ID or submitting a request via Kochava's privacy policy. | Partly |
| Leanplum | CleverTap | Analytics | 3/5 | device identifiers, app events, IP address, coarse location Users can limit tracking by resetting the advertising identifier or opting out via in-app consent prompts. | Partly |
| Localytics | Upland Software | Analytics | 3/5 | device identifiers, app events, coarse location, IP address Users can restrict processing by disabling location permissions or adjusting advertising privacy settings. | Partly |
| Mapbox Telemetry | Mapbox | Location | 4/5 | precise location, device identifiers, coarse location, sensor data According to its documentation, apps must provide a dedicated in-app opt-out switch for Mapbox telemetry. | Yes |
| Meta Audience Network | Meta Platforms, Inc. | Advertising | 4/5 | advertising ID, device identifiers, IP address, app interactions, coarse location Users can control personalised advertising via their Meta account settings and device-level ad tracking controls. | Partly |
| Meta Pixel for apps | Meta Platforms, Inc. | Attribution | 3/5 | advertising ID, purchase events, in-app actions, IP address, browser headers Tracking can be mitigated by disabling personalised ads in Meta account settings and using platform tracking prompts. | Partly |
| Mintegral | Mobvista | Advertising | 3/5 | advertising ID, IP address, device identifiers, network information Users can reduce personalised tracking by resetting or deleting the system advertising identifier. | Partly |
| Mixpanel | Mixpanel, Inc. | Analytics | 2/5 | app events, user properties, device identifiers, session duration, IP address Mixpanel maintains an online opt-out portal, and applications may expose in-app privacy controls. | Yes |
| MoEngage | MoEngage Inc. | Analytics | 3/5 | device identifiers, app events, IP address, coarse location Tracking can be curtailed using in-app privacy preferences and device-level ad tracking restrictions. | Partly |
| New Relic Mobile | New Relic | Analytics | 2/5 | performance metrics, crash logs, device model, IP address, network information Users can disable telemetry sharing if the individual app includes an opt-out toggle for performance monitoring. | Partly |
| OneSignal | OneSignal, Inc. | Analytics | 2/5 | push notification tokens, device model, IP address, coarse location, session intervals Disabling push notifications at the device operating system level prevents message delivery and related token collection. | Partly |
| Optimizely | Optimizely | Analytics | 2/5 | device identifiers, app events, device state, IP address Data collection may be managed through in-app consent banners or developer opt-out mechanisms. | Partly |
| Outbrain | Outbrain | Advertising | 3/5 | advertising ID, IP address, device identifiers, content interactions Users can opt out of personalised content recommendations through Outbrain's website or via mobile ad preference settings. | Yes |
| Pangle (TikTok) | ByteDance | Advertising | 3/5 | advertising ID, IP address, device identifiers, app events, coarse location Tracking can be reduced by opting out of personalised advertising via device settings or regional consent prompts. | Partly |
| Placer.ai | Placer Labs | Location | 5/5 | precise location, device identifiers, Wi-Fi data, timestamp Users can stop collection by revoking precise location permissions or deleting their advertising ID. | Partly |
| PubMatic | PubMatic | Advertising | 3/5 | advertising ID, IP address, device identifiers, coarse location Tracking can be managed using PubMatic's online opt-out mechanism or by turning off ad tracking in device settings. | Partly |
| Radar | Radar Labs | Location | 4/5 | precise location, coarse location, device identifiers, app events Users can limit tracking by choosing approximate location or revoking background location access. | Partly |
| Salesforce Marketing Cloud | Salesforce | Analytics | 3/5 | device identifiers, IP address, app events, push tokens Users can limit data collection via in-app privacy settings or by disabling push notifications in system settings. | Partly |
| Segment | Twilio Inc. | Analytics | 2/5 | event streams, device identifiers, user traits, IP address, application state Data dispatching must typically be opted out of via developer-provided in-app consent dialogs. | Partly |
| Sentry | Functional Software, Inc. | Crash reporting | 1/5 | error stack traces, device parameters, operating system version, app release version, IP address Data collection is controlled by host application configurations and developer-implemented opt-out toggles. | Partly |
| Sift | Sift Science | Fingerprinting | 4/5 | device identifiers, IP address, hardware characteristics, app events Fraud prevention tools generally do not provide direct end-user opt-outs as processing relies on legitimate interests. | No |
| Singular | Singular Labs, Inc. | Attribution | 3/5 | advertising ID, campaign parameters, IP address, in-app purchases, device specifications Tracking can be reduced by restricting advertising identifiers via mobile platform settings. | Partly |
| Smaato | Verve Group | Advertising | 3/5 | advertising ID, coarse location, IP address, device identifiers Users can refuse location permissions and turn off personalised advertising via device privacy menus. | Partly |
| Snap Kit | Snap Inc. | Attribution | 3/5 | advertising ID, app events, device identifiers, IP address Users can manage ad personalisation within their Snapchat account settings or by deleting their device advertising ID. | Partly |
| Taboola | Taboola | Advertising | 3/5 | advertising ID, IP address, device identifiers, content interactions Opt-outs can be exercised using Taboola's web opt-out tool or by restricting ad tracking on the host operating system. | Yes |
| Tapjoy | ironSource | Advertising | 3/5 | advertising ID, device identifiers, in-game purchase events, IP address Users can limit targeted offerwalls and ads by clearing or opting out of their operating system advertising ID. | Partly |
| Tencent Beacon | Tencent | Analytics | 3/5 | device identifiers, app events, IP address, hardware details Tracking can be controlled where available via in-app privacy settings provided by the publisher. | Partly |
| ThreatMetrix (LexisNexis) | RELX | Fingerprinting | 4/5 | hardware characteristics, IP address, network parameters, device identifiers Direct user opt-out is usually unavailable because the software operates for security and fraud prevention purposes. | No |
| TikTok SDK | ByteDance | Attribution | 3/5 | advertising ID, app events, device identifiers, IP address, install source Users can limit attribution tracking by disabling ad tracking in platform settings or through in-app privacy controls. | Partly |
| Tune (Branch) | Branch Metrics | Attribution | 3/5 | device identifiers, app events, IP address, install referrers Tracking can be restricted by resetting or zeroing out the advertising ID in mobile operating system settings. | Partly |
| Umeng | Alibaba Group | Analytics | 3/5 | device identifiers, app events, IP address, coarse location, network information Users can limit data gathering through app-specific consent prompts and operating system permission controls. | Partly |
| Unity Ads | Unity Technologies | Advertising | 3/5 | advertising ID, device identifiers, gameplay events, IP address, coarse location Users can manage ad personalisation by interacting with privacy icons displayed on rendered Unity ads. | Partly |
| Vungle (Liftoff) | Liftoff Mobile, Inc. | Advertising | 3/5 | advertising ID, device configuration, IP address, video ad playback metrics, coarse location Users may limit personalised ads via the Liftoff privacy policy portal or through native platform ad settings. | Partly |
| WebEngage | Webklipper Technologies | Analytics | 3/5 | device identifiers, app events, IP address, push tokens Users can manage permissions through in-app consent dialogues or by resetting device advertising IDs. | Partly |
| X Ads (Twitter MoPub) | X Corp. | Advertising | 3/5 | advertising ID, IP address, device identifiers, interaction events Ad personalisation can be managed through X account privacy settings and platform-level advertising controls. | Partly |
| X-Mode (Outlogic) | Digital Envoy | Location | 5/5 | precise location, device identifiers, sensor data, Wi-Fi data Users can revoke location permissions at system level or opt out via vendor-supported opt-out forms. | Partly |
| Xandr | Microsoft | Advertising | 3/5 | advertising ID, IP address, device identifiers, browsing behaviour Users can opt out via the Xandr or Microsoft privacy preference pages and by limiting ad tracking on their devices. | Yes |
| Yahoo (Verizon Media) Ads | Yahoo | Advertising | 3/5 | advertising ID, device identifiers, IP address, browsing behaviour, coarse location Users can manage ad personalisation through the Yahoo Privacy Dashboard or by modifying operating system ad settings. | Yes |
| Yandex AppMetrica | Yandex | Analytics | 2/5 | device identifiers, app events, IP address, session duration, crash logs Users can restrict tracking through publisher-level consent managers or by resetting mobile advertising IDs. | Partly |
Next: what the phone itself logs, or run the audit on your handset.
Sensitivity and opt-out notes are this site's own classification. See sources and method.