Even if you can use video conferencing for free. A video conferencing app with a low number of features (also known as a minimum viable product, or MVP) will be more affordable than an app that includes all intended functionality. How Much Does It Cost To Make A Video Calling Mobile App? Video conferencing applications development costs with a set of basic features for one platform (either Android or iOS) will range from $30,000 to $55,000. The size of the conference room and the caliber of the equipment, however, can influence the setup costs.