As for pricing, I'd like to mention that the creator of Inkdrop chose the monthly subscription model for his app and shared his reasoning behind this choice in

As for pricing, I'd like to mention that the creator of Inkdrop chose the monthly subscription model for his app and shared his reasoning behind this choice in his blog: https://blog.inkdrop.info/how-i-built-a-markdown-editor-earning-1300-mo-profit-inkdrop-ddf6ad702c42 https://blog.inkdrop.info/how-i-built-a-markdown-editor-earn...