What are some alternatives?
When comparing Spark Camera and Caption Writer for Instagram, you can also consider the following products
Quik by GoPro - Easiest way to create awesome videos
Pretty Captions - Create beautiful captions for Instagram and other platforms
Adobe Premiere Rush CC - Create and share online videos anywhere 🎬
Instaspacer - Putting the spaces back into Instagram
MotionDen - Free online animated video maker
Drake Captions - Find the perfect Drake lyric for your Instagram caption