The Spren Developer Portal is updated frequently with new functionality and products to better suit your needs. We will be documenting changes made to the platform’s products via this resource and our developer news email.
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02/06/23 - Released update for Android SDK and corresponding Flutter plugin and React Native Wrapper Updated the Android SDK to fix compatibility with certain international Samsung devices. Learn more here.
12/23/22 - Released update to our Android SDK and Flutter plugin (2.2.0) We've updated the Android SDK to be more robust at handling reading start conditions — these new updates have also been tested and deemed compatible with more Android devices. Learn more about our Android SDK and compatible devices here. Access our new Flutter Android plugin here.
10/19/22 - Drop-in result components added Added drop-in result components, allowing partners to use SprenUI on iOS and Android. See Spren Vision docs.
09/14/22 - Apple Watch support added Added Apple Watch as a device from which inter-beat intervals (IBIs) may be accepted. See our API Docs for more info.
07/15/22 - Added rmssd and breathingRate to Spren API production environment: rmssd value and breathingRate can now be returned alongside HRV score and heart rate values, (results after POSTing to the /submit/sdkData endpoint) in Spren API production environment. See our API Docs.
07/15/22 - Released update for React Native (2.0.0) which adds support for Spren Vision Android SDK (Alpha): We expanded React Native support to Android so it is now available for both Spren Vision iOS SDK and Android SDK (Alpha)! Try it now. Please also see these breaking changes included in this release.
07/14/22 - Released update for Flutter plugin (2.0.1): Updated plugin to include these breaking changes and added new LICENSE file.
06/29/22 - RMSSD and Breathing Rate added to Spren API test environment: RMSSD value and breathing rate can now be returned alongside HRV score and heart rate values. Currently only available in the test environment. See our API Docs.
06/16/22 - Flutter plugin for Spren Vision Android SDK (Alpha) available: We expanded Flutter support to Android so it is now available for Spren Vision iOS SDK and Android ADK (Alpha)! Try it now.
05/23/22 - Spren Vision Android SDK (Alpha) publicly available: The Spren Vision Android SDK (Alpha) repository is publicly available. Learn more.
05/23/22 - Spren Vision iOS SDK update: New version (1.2.0) of Spren Vision iOS SDK released optimizes readings across all iPhone devices. See version.
04/20/22 - Spren Vision iOS SDK update: New version (1.1.0) of Spren Vision iOS SDK released shortens measurement duration from 90 seconds to 60 seconds. See version.