How I hit 1,000+ downloads and $35 MRR in 2 weeks with an AI Calorie Tracker (Built to solve my own health crisis)
Hey Indie Hackers,
I want to share an honest update on Caldef — an AI-powered calorie and diet tracking app I launched on Google Play 2 weeks ago.
The Numbers
1,000+ downloads
14 active subscribers
$35 MRR
1 marketing channel (Facebook groups only)
$0 spent on ads
Not life-changing money. But it’s real, recurring revenue from real people paying for something I built from scratch. That still feels surreal.
Why I built this
Months ago, I was obese and had high blood pressure. My doctor looked me in the eye and said if I didn’t change my lifestyle, I’d be on medication for the rest of my life.
2 month of building (and using) the app later, I lost 13kg, my blood pressure is normal, and I’m off the medication watch list. Then, I put it on Google Play.
What makes Caldef different?
Plain Text AI Logging: Just type "Two cups of rice, grilled tilapia, and sinigang" and get the full nutritional breakdown in seconds.
Cultural Intelligence: It understands non-Western foods that traditional databases ignore.
Localization: Onboarding asks for your country and suggests local meals you actually recognize and cook.
Price: MyFitnessPal is ~$20/month. Caldef is ₱179/month (~$3)—a price point that actually works for emerging markets.
The Tech Stack
Frontend: React Native (Expo)
AI: OpenAI GPT-4o-mini
Backend/Auth: Supabase
Payments: RevenueCat
Infrastructure Cost: ~$20-30/month
How I got 1,000+ downloads with $0 ads
My entire strategy was leveraging existing Facebook groups. I didn't wait to build my own audience; I went where the people already were.
I posted consistently in health, fitness, and local community groups:
Sharing my "Before and After" story.
Educational content about calorie deficits and TDEE.
Native-language posts explaining how the AI handles local food.
The personal story angle performed incredibly well. People don't want another corporate wellness app; they want a tool built by someone who was actually in their shoes.
What’s working vs. What’s not
✅ The "Hook": The moment a user types a complex meal and sees the AI break it down, they're sold on the tech.
✅ RevenueCat: Flawless subscription management.
❌ Conversion Rate: 1.4% is low. I’m likely losing people during onboarding.
❌ Android Only: I'm missing half the market. Saving up for a Mac to ship the iOS version.
❌ Fragility: Relying solely on Facebook groups is a risk. One moderator ban or algorithm shift could stall growth.
My questions for the IH community
How do you improve trial-to-paid conversion for mobile? I suspect my paywall timing is off.
What marketing channels moved the needle for your Android-only apps?
Is Product Hunt still worth the effort in 2026 for niche mobile tools?
Brutally honest feedback is welcome. I’d rather hear the hard truths now.
👉 App:https://play.google.com/store/apps/details?id=com.cedricdev.diettracker
👉 Website: http://caldefapp.com/
Thanks for reading. Let’s build.
Nice early traction. On trial to paid, I would make the first successful meal log the whole point of onboarding, then start the trial only after that moment.
The strongest positioning in this category seems to be concrete comparison, not just "AI calorie tracker." MetricSync is a good example of that: cheaper than CalAI, more features, better accuracy, plus a 3 day free trial. That is instantly legible to buyers.
If I were testing your funnel, I would try:
You already have proof people want this. Now it is mostly about getting them to the aha moment faster.
thanks for your inputs. I also increase to up to 3 logs of food before paywall showing up. i think the #3 is good! i am thinking ways to implement this...
i hadn't thought about marketing on facebook groups yet. thanks for sharing that tip.
regarding product hunt, it's depends on two things: a) luck and b) distribution.
you need to actively reach out to folks using product hunt (days before your launch) and ask them to support you.
in the first 4 hours of your launch, a lot of existing producthunt users need to upvote your product. only then will it rise to the top and get some serious eyeballs.
my first launch on product hunt (complete beginners luck) got 198 followers, ranked #5 for the day. but my second launch got 2 upvotes. my third launch got 4 upvotes.
thing is you can't rely on it. you can try and hope it works :)
thank you, will try my Luck.