Mostly, the average cost for IoT-integrated app development may differ as per the region you choose. Hiring an IoT developer in North America may cost you around $50 – $150 US dollars per hour, whereas if you hire an app developer in Eastern Europe, you have to pay $30- $50 US dollars per hour. Besides, hiring an Indian IoT developer is more cost-effective; you may find a developer rating around $25- $50 US dollars per hour.