What are some alternatives?
When comparing RNI Films and infltr, you can also consider the following products
Filtron - Create and share your own photo filters on Mac & iPhone
Instagram - Instagram is a mobile, desktop, and Internet-based photo-sharing application and service that allows users to share pictures and videos either publicly, or privately to pre-approved followers.
CSSGram - Recreate Instagram filters with CSS filters and blend mode
Relonch Camera - AI-powered "camera as a service"
BitCam - The world's most advanced camera for your pocket computer
Olli by Tinrocket - iOS camera app that creates beautiful animation and drawings