SmartPost allows you to create scheduled posts for Instagram. Set the date and time of publication, and your photos will be published at the specified time automatically.
This helps to save your time and automate the work with your Instagram account. With SmartPost doing business in social media will become even easier. Spend few hours and plan Instagram posts for several weeks ahead, so as not to be distracted every day.
https://play.google.com/store/apps/details?id=com.phonegap.smartpost