I have no idea how you can reduce your ads costs, but you could try out promotion alternatives like: * check out if there are sub-reddits where you can post an

I have no idea how you can reduce your ads costs, but you could try out promotion alternatives like: * check out if there are sub-reddits where you can post an article about it * ensure users can invite friends from within the app * get it posted on product hunt * ensure you social accounts and make a daily post promoting features of your app, testimonials, ... * have a landing page on a url like getmyapp.com with links to app stores * do networking, go to meetups and do a pitch * find influencers willing to post about your app * send your pitch to apps, mobile, teens and tech websites