This app makes running a comprehensive pre-dive CCR checklist a breeze by automatically tying into your CCR maintenance records. CCR Checklist Pro helps you track all aspects for CCR maintenance such as sensor/battery maintenance replacements, regulator servicing, firmwares, etc. All data is stored bitemporally, allowing you to wind back the clock and examine the exact state of your gear as you dove it. As more components come on board this App will help you manage the added complexity with added safety by integrating them and their maintenance requirements into your checklists seamlessly.