Before using Apnea Diver, please ensure you do not have any medical conditions that may affect your breathing ability or that may be affected through use of the Apnea Diver app. Apnea training can be dangerous. When training in water you should never train alone; by always having a trained safety person with you to avoid experiencing blackout that may lead to death through drowning. Care should also be taken when training on land; you should always ensure that you are lying down (to completely relax and simulate static training in a pool) and not partaking in any other activity. The creators of Apnea Diver and its holding company do not take any responsibility for possible accidents or injuries sustained whilst using the app. Users use the app at their own risk.