What are some alternatives?
When comparing Instaspacer and Quik by GoPro, you can also consider the following products
Pretty Captions - Create beautiful captions for Instagram and other platforms
Adobe Premiere Rush CC - Create and share online videos anywhere 🎬
Captioned - Say, show, share. Create a 60 second captioned video.
MotionDen - Free online animated video maker
Drake Captions - Find the perfect Drake lyric for your Instagram caption
Spark Camera - Make memorable videos