SDK Features Availability

Last updated on: 11/3/25

The Helium React Native and Flutter SDKs currently support iOS only. Android support for these platforms is expected mid- to late-November.

Feature	iOS	Android	ReactNative	Flutter
Purchase Handling
Default purchase delegate	✅	✅	✅	✅
Custom purchase delegate	✅	✅	✅	✅
RevenueCat delegate	✅	✅	✅	🚫
Helium Events
Listen for events via delegate	✅	✅	✅	✅
Add global event listener	🚫	✅	🚫	🚫
Paywall event handlers	✅	✅	✅	✅
Custom paywall actions	✅	✅	✅	✅
Paywall Options
Second try flow	✅	🚫	✅	✅
“Should Show” for presented paywall	✅	✅	✅	✅
Dark mode support	✅	✅	✅	✅
Disable scroll	✅	✅	✅	✅
Automatic safe area support	✅	🚫	✅	✅
Intro offers	✅	✅	✅	✅
Presentation Options
Modal presentation	✅	✅	✅	✅
Modal presentation callbacks	✅	✅	✅	✅
Embedded view	✅	✅	🚫	✅
Embedded view callbacks	✅	✅	🚫	✅
Loading State
For modal presentation	✅	✅	✅	✅
For embedded view	🚫	✅	🚫	🚫
Loading budget customizable	✅	✅	✅	✅
Loading budget per trigger	✅	✅	✅	✅
Fallbacks
Fallback bundle	✅	✅	✅	✅
Fallback view	✅	🚫	🚫	✅
Fallback view per trigger	✅	🚫	🚫	🚫
onFallback callback with present	🚫	🚫	✅	🚫
forceShowFallback flag	✅	🚫	✅	✅
Entitlements
Option to check entitlements for paywall before showing	✅	🚫	🚫	🚫
hasAnySubscription/hasAnyEntitlement helpers	✅	🚫	✅	✅
Cache per-trigger entitlement	🚫	🚫	🚫	🚫
Testing
QR code scan	✅	✅	✅	✅
Logging
Logging levels	🚫	✅	🚫	🚫
Analytics
Custom user traits	✅	✅	✅	✅
Custom paywall traits	✅	🚫	✅	✅
Revenue tracking	✅	🚫	✅	✅
Experimentation
Allocations	✅	✅	✅	✅