in iOS and Android apps
If you use the iOS SDK or the Android SDK, user interactions and events tracked while the user is offline are queued, and will be tracked in Matomo as soon as the user comes back online.
across other platforms: offline ticket sales, retail store purchases…
You can also measure all of the ecommerce & offline sales (retail stores, ticket sales, etc.) and ensure 100% of accuracy. Learn more in tracking 100% of sales including online and retail.