Why I gave my AI nutrition tracker a 3 day free trial before asking for $5/mo
I am building MetricSync, an iPhone AI nutrition tracker.
One thing that bothered me with a lot of calorie apps was getting hit with a paywall before I even knew if the app would understand how I actually eat.
With AI food logging, the product has to earn trust fast. If breakfast gets recognized well but dinner falls apart, people bounce. So I made MetricSync a 3 day free trial before the $5/mo plan. Not because free trials are clever growth hacks. Because asking for money before proving accuracy felt backwards.
That decision also changed how I build. I spend more time on correction flow, food edits, and making the app feel fast after a wrong guess. The first log matters, but the second log after a mistake matters more.
Still early, but that has become one of the clearest product lessons for me so far: in AI consumer apps, trust is the feature.
If anyone else is building in this space, I would love to hear how you think about trial length vs upfront paywalls.
I actually know a few founders building consumer AI health apps who have been through this, and I'd be happy to ask them if they'd answer some of your questions about trial lengths. They're usually pretty open to sharing their experiences for free.