Proof

react-native-sensors

native seam: the six RNSensors modules from ios/RNSensors*.m; the package JS (rxjs observables, rnsensors.js) runs unchanged
70%
API coverage
No visual proof cases have been published for this package yet. The registry summary below describes what the compat layer implements.
Working (2)
every sensor observable errors "Sensor <type> is not available" as on the iOS Simulatorwhere CoreMotion and CMAltimeter report no hardware; setUpdateIntervalForType and getUpdateInterval keep CMMotionManager intervals from the simulator defaults; getData reads an empty sample
Missing
motion data: the simulator has none to send