The Bluetooth housings limit your ability to use camera settings because it has its own app, which may have functional limitations and definitely has a learning curve. The DiveVolk lets the user access the touch screen, using the native camera app or letting you choose among a number of robust camera applications. Also, the Kraken housing has electronics and batteries which can complicate things. Maybe take a look at the DiveVolk. Encore you make a final decision; of course, many folks swear by the Kraken or similar housings.I'm looking for a smart phone housing and was set on getting a Kraken. What do you think makes the Kraken more limiting than the Divevolk?