Why Can’t I Add Cash To My Cash App? Is there any cash adding related issues? If you want to solve these issues then seek technical assistance at any time of the day. Dial all time reachable cash app helpline number and talk to the techies about solving the woes. Ask for quick assistance from them. Techies of cash app always listen to the problem to give users a precise solution. So, ring the helpline number now to speak to the techies.