The Snapchat hacker programs we've discussed above are unquestionably the most efficient and practical for breaking into someone's Snapchat account.  Applications like this require physical access to the target device to install the software; thus, you must have that access.  But don't worry; they'll be stealthy in their operations. As a result, the target device's user will not be aware that the app is on the phone because there won't be an icon.  These apps operate in the background and feed data to a dashboard you can access on your computer or mobile device.