Biological Age Test - Real Age (Body's age)

Biological Age VS RealAge

Can you please explain the difference between terms Biological Age and RealAge (from Are these measures the same or completely different? If they are the same, can you explain what's more accurate - biological age or realage? I personally trust more in devices that monitors my body like Biological Age test does vs questionnaire on the website but I want to know your opinion. Thanks!