Apps like ANT+ Heart Rate Grapher

Here are some great alternatives to ANT+ Heart Rate Grapher by ANT+ :
CardioMez - Heart Rate Workout
CardioMez - Heart Rate Workout
★4.2
IpSensorMan
IpSensorMan
★4.2
RunnerUp
RunnerUp
★4.2
Cardio Training
Cardio Training
★4.4
Pulse Range Monitor & Alert
Pulse Range Monitor & Alert
★4.7
HRV Monitor - HR Variability
HRV Monitor - HR Variability
★4.6
Garmin Sleep Advanced
Garmin Sleep Advanced
★3.7
PRADO X153 Digital Watch Face
PRADO X153 Digital Watch Face
★4.2
PRADO X165 Digital Watch Face
PRADO X165 Digital Watch Face
★5.0
Sensor Suite
Sensor Suite
★4.0
Heart Rate: Heart Rate Monitor
Heart Rate: Heart Rate Monitor
★4.7
MDS367 - Hybrid Watch Face
MDS367 - Hybrid Watch Face
★3.7
Camera Heart Rate Variability
Camera Heart Rate Variability
★3.3
PRIME 003 Modern Digital
PRIME 003 Modern Digital
★4.3
PULSOID: Heart Rate Streaming
PULSOID: Heart Rate Streaming
★4.0
Health Kit
Health Kit
★4.2