Ted Hisokawa
Jun 05, 2026 00:44
Yim Yoon-seok, a pharmacist and aggressive bodybuilder, created Alyak Coach, a dynamic health tracker scaling to three,900 customers and $4,500 income in two months.
Pharmacist, aggressive bodybuilder, and YouTuber Yim Yoon-seok has redefined health teaching with Alyak Coach, an adaptive health monitoring app inbuilt simply eight weeks. Utilizing AI platform Manus, Yim reworked his teaching workflow from labor-intensive spreadsheets into an automatic system now serving 3,900 customers and producing 6 million KRW (roughly $4,500 USD) in income as of April 2026.
Yim’s twin experience in scientific pharmacy and bodybuilding has lengthy been his calling card. A licensed pharmacist since 2016 and a aggressive bodybuilder since 2018, he’s constructed a status for science-based coaching and supplementation methods. Nonetheless, his rising teaching enterprise was turning into unsustainable. “I used to be spending extra time on information entry than on precise teaching,” Yim stated. Every new shopper required handbook calorie and macro calculations, weekly updates, and in depth communication through spreadsheets and messaging apps.
A Doctorate in Pharmacy Meets AI Innovation
In early 2026, Yim found Manus, an AI-powered agent able to writing and deploying code. With out prior programming expertise, he used Manus to create Alyak Coach, a web-based app that tracks consumer information, syncs with platforms like Strava, and recalculates customized Complete Each day Vitality Expenditure (TDEE) dynamically every week. Not like static calculators, this characteristic adjusts based mostly on real-time adjustments in customers’ weight, exercises, and calorie consumption—a game-changer for coaches and purchasers aiming for precision of their progress.
Yim’s pharmaceutical background supplied a essential edge in explaining the app’s necessities. He used technical phrases like metabolic adaptation and progressive overload instantly with Manus, avoiding the necessity for simplification. By iterating on the AI’s outputs and refining his directions, Yim overcame growth hurdles that would have taken months with a conventional developer.
From YouTube to three,900 Customers
Yim launched Alyak Coach in March 2026, initially onboarding his current purchasers. He quickly leveraged his YouTube channel, the place he often shares bodybuilding and diet content material, to spice up visibility. Natural progress adopted as customers advisable the app by gyms and group chats. By April 20, Alyak Coach had 3,900 registered customers, with lively subscriptions driving its income progress.
The app’s success highlights Yim’s knack for bridging science, expertise, and health. His YouTube presence—coupled together with his experience in evidence-based supplementation and protected performance-enhancing drug (PED) use—amplified belief amongst his viewers. Yim beforehand addressed PED regulation and dietary pharmacology in South Korea, cementing his credibility in well being and health circles.
Scaling Health Teaching Past Limits
An exterior developer had estimated a six-month timeline to construct Alyak Coach manually, however Yim accomplished it in eight weeks with AI help. The effectivity allowed Yim to deal with rising his consumer base whereas sustaining his pharmacy profession. The app’s mobile-first design additionally mirrored consumer habits, guaranteeing excessive adoption charges and satisfaction.
At the moment, the app automates the routine duties that when consumed hours of Yim’s time, permitting him to deal with serving to purchasers obtain their targets. “Each a kind of customers is somebody monitoring their weight, hitting their macros, and dealing towards a physique composition aim,” Yim shared. “Now the system does it for them, adapting each week routinely.”
With practically 5,000 customers as of June 2026 and income climbing steadily, Alyak Coach exemplifies how AI can empower people to scale area of interest experience into impactful companies. Past bodybuilding, Yim’s story underscores the potential of AI to democratize software program growth, permitting material consultants to unravel complicated issues while not having to code.
Picture supply: Shutterstock
