Based on 188 real reviews, here's what Vitamin Stats app users think about pricing.
Users feel betrayed by forced upgrade treadmill where Pro features are moved to Premium tier after purchase. Intrusive ads (over 1 minute, fake skip buttons) in paid versions create strong resentment. Multiple users mention deleting app after being asked to pay again for features they already purchased.
Users ARE willing to pay for this functionality ('I paid for the in-app upgrade', 'reasonably priced') due to medical necessity and uniqueness, but ONLY if the app is reliable and developer is trustworthy. Price resistance comes from broken promises, not the amount itself.
Strong preference for one-time purchase implied by anger at tiered upgrades (Pro → Premium). Users want to pay once and own features permanently. Subscription model would likely face significant resistance given trust issues with developer.
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