Mobile apps
Below you'll find an overview of our in-app tracking technologies used in our mobile apps. An overview of technologies used on our websites and desktop apps can be found further below.
Category: Technical | ||||
Name | Provider | Description | Privacy policy | Platform (iOS / Android) |
Storm SDK | WeTransfer | Internal SDK for uploads | Both | |
RevenueCat | RevenueCat | Subscriptions management tooling (currently being deprecated) | iOS & Android | |
Google Play Billing Library | Google Play's billing system is a service that enables you to sell digital products and content in your Android app, whether you want to monetize through one-time purchases or offer subscriptions to your services. | Android | ||
Auth0 | Auth0 | Auth0 is a platform that helps developers add authentication and authorization services to their applications. | https://auth0.com/docs/secure/data-privacy-and-compliance/data-processing | iOS & Android |
Storekit | Apple | Support In-App Purchases and interactions with the App Store. | iOS | |
Adzerk / Kevel | Kevel | Serve basic advertisements | iOS & Android | |
Category: Analytics | ||||
Name | Provider | Description | Privacy policy | Platform (iOS / Android) |
Open Measurement SDK | WeTransfer | The Open Measurement Software Development Kit (OM SDK) is designed to facilitate third party viewability and verification measurement for ads served to web video and mobile app environments. | iOS | |
Snowplow | WeTransfer | Snowplow is a developer-first engine for collecting behavioral data for our internal data lake surfaced through Databricks/Tableau |
| iOS & Android |
Datadog | Datadog | Datadog is a SaaS-based platform that offers observability and security services for cloud-scale application | iOS & Android | |
Pico | Bending Spoons | Bending Spoons' internal tracking tool | https://bendingspoons.com/documents/Privacy%20and%20cookie%20policy.pdf | Both |
Amplitude | Amplitude | Amplitude is a digital analytics platform that helps businesses understand user behavior and optimize their product experiences through data-driven insights and experimentation. | iOS & Android |
Desktop apps and websites
Below you'll find an overview of our in-app tracking technologies used in our desktop apps and websites.
An overview of trackers used for advertising purposes on WeTransfer by our advertising clients can be found on https://wetransfer.com/legal/manage-cookies
Category: Technical | ||||
Name | Provider | Description | Retention period | Privacy policy (if 3rd party) |
__wtccpa | WeTransfer | Stores user's legacy CCPA consent. Only used on mobile web ATM. To be deprecated. | 6 months | |
current-team | WeTransfer | Remembers which team the user's in | 12 months | |
wt_cbanner | WeTransfer | Shows the cookie banner | 12 months | |
wt_lang | WeTransfer | Provides a signal of the user's (preferred) browser language | 12 months | |
wt_plus | WeTransfer | Helps understand whether a user is on a Free or Paid tier | 12 months | |
wt_privacy | WeTransfer | Holds the user preferences regarding tracking (allowed/not allowed) | 12 months | |
wt_tandc | WeTransfer | Provides a signal that the user has accepted WeTransfer's terms of services. | 12 months | |
fides_consent | WeTransfer | Fides CMP cookie, stores user consent. | 12 months | |
auth_session_uuid | WeTransfer | Authentication | 12 months | |
wt_first_visit | WeTransfer | Adjust the experience based on whether its the user's first visit or not | 12 months | |
wt_from | WeTransfer | Enhances user experience by remembering the last sender’s email for a transfer. | 12 months | |
__wtcm | WeTransfer | Legacy consent cookie. Only used on mobile web ATM. To be deprecated. | 6 months | |
wt_ttype | WeTransfer | Provides a signal of the type of transfer a user is sending (ie. email or link transfer) | 12 months | |
wt_takeover | WeTransfer | Provides a signal of whether to display a takeover 'splash page'. | 12 months | |
__stripe_mid | Stripe | Fraud prevention | 12 months | |
auth0 | Okta | Authentication | 12 months | |
Category: Analytics | ||||
Name | Provider | Description | Retention period | Privacy policy (if 3rd party) |
_wt_snowplowid | WeTransfer | Collect product related user analytics to improve the product. | 24 months | |
_wt_snowplowses | WeTransfer | Collect product related user analytics to improve the product. | Session | |
wt_downloaded | WeTransfer | Provides a signal of whether the Transfer has been downloaded or not | 12 months | |
wt_sent | WeTransfer | Provides a signal of whether the transfer has been sent | 12 months | |
wt_trk | WeTransfer | Holds the key that allows us to track the origin of the user. | 7 days | |
wt_to | WeTransfer | Enhances user experience by remembering all the last recipients’ (email) of a transfer | 12 months | |
sp | WeTransfer | Snowplow ID for analytics | 12 months | |
intercom-device-id-qzle715h | Intercom | Intercom product analytics | 9 months | |
intercom-id-qzle715h | Intercom | Intercom product analytics | 9 months | |
_ga | Google Analytics | 14 months | ||
_gcl_au | Google Analytics | 14 months | ||
_gid | Google Analytics | 14 months | ||
_dd_s | Datadog | Infrastructure analytics | 13 months | |
AMP | Amplitude | Product analytics | 12 months | |
_pico_pi_t_gcid , _pico_pi_t_agname , _pico_pi_t_cname , _pico_pi_t_crid , _pico_pi_t_agid , _pico_pi_t_validation , _pico_pi_t_s , _pico_pi_t_network , _pico_pi_t_device , _pico_pi_t_match_type , _pico_pi_t_crname , _pico_pi_t_cid , _pico_cid | Bending Spoons | Product analytics | 2 Years, 2 Years, 2 Years, 2 Years, 2 Years, 2 Years, 2 Years, 2 Years, 2 Years, 2 Years, 2 Years, 2 Years, 2 Years | https://bendingspoons.com/documents/Privacy%20and%20cookie%20policy.pdf |
Category: Profiling, marketing, advertising | ||||
Name | Provider | Description | Retention period | Privacy policy (if 3rd party) |
guest_id | X / Twitter | Profiling, marketing, advertising | 13 months | https://x.com/en/privacy#:~:text=We%20keep%20cookies%20and%20information,for%20up%20to%2090%20days. |
guest_id_ads | X / Twitter | Profiling, marketing, advertising | 13 months | https://x.com/en/privacy#:~:text=We%20keep%20cookies%20and%20information,for%20up%20to%2090%20days. |
guest_id_marketing | X / Twitter | Profiling, marketing, advertising | 13 months | https://x.com/en/privacy#:~:text=We%20keep%20cookies%20and%20information,for%20up%20to%2090%20days. |
personalization_id | X / Twitter | Profiling, marketing, advertising | 13 months | https://x.com/en/privacy#:~:text=We%20keep%20cookies%20and%20information,for%20up%20to%2090%20days. |
muc_ads | X / Twitter | Profiling, marketing, advertising | 13 months | https://x.com/en/privacy#:~:text=We%20keep%20cookies%20and%20information,for%20up%20to%2090%20days. |
__td_signed | Treasure Data | Profiling, marketing, advertising | 12 months | |
_td | Treasure Data | Profiling, marketing, advertising | 12 months | |
_rdt_uuid | Profiling, marketing, advertising | 3 months | ||
_pin_unauth | Profiling, marketing, advertising | 12 months | ||
MUID | Microsoft | Profiling, marketing, advertising | 13 months | |
_fbp | Meta Platforms | Profiling, marketing, advertising | 3 months | |
FPAU | Profiling, marketing, advertising | 90 days | ||
FPID | Profiling, marketing, advertising | 13 months | ||
FPLC | Profiling, marketing, advertising | 20 hours | ||
_uetsid | Bing | Profiling, marketing, advertising | 13 months | |
_uetmsclkid | Bing | Profiling, marketing, advertising | Session | |
_uetvid | Bing | Profiling, marketing, advertising | 13 months | |
azk-site-views, azk-blocks, azk-events, azk-views, azk | Kevel | Profiling, marketing, advertising. Also used to serve basic advertisements and fraud detection. | 365 Days, 30 Days, 30 Days, 365 Days, 365 Days |