Mobile development can get expensive, and while you may want your app to match your ideal vision of perfection before fully launching it in the app stores, it could lead to lost opportunities in collecting valuable user data, gaining market exposure, and, most importantly, generating revenue. Spending too much time working on endless iterations and implementing countless attribution tools could lead to your app being outdated by the time it hits the market.
Consumer tastes in the mobile environment are constantly changing as well. Screenshot design styles that may be in vogue now may not be popular three months down the line when your app is finally launched, and may jeopardize your conversion rate.
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