Built With Science · B2C · science-based fitness coaching app
Team up with researchers and run studies with your own app users
Founder says it adds credibility; no numbers
What they did
What happened
In their words
Scaling Meta Ads from zero to $100K a month — Ethan Ethier, Built With Science
David BarnardNice. I guess I'd imagine it feels like every big fitness influencer already does have an app, so I guess it's maybe tough from that perspective, like Renaissance Periodization, MacroFactor, there's a bunch of other apps in the space that were built by YouTube influencers.
Ethan EthierAnd one thing I think that Jeremy does differently is he'll actually reach out to, maybe they're not as known, but he'll reach out to some of the expert researchers and coaches and dieticians to collab with for videos in terms of promoting some of the research that they find. So that's been something that has added a lot of the credibility for the videos.
David BarnardYeah. I want to dig into that a little bit more about the building trust and being more science-based approaches and things like that. But you mentioned earlier, you really think a lot about how the app could fit into the content. Dig deeper into that. Are you creating a whole video because you think it's a good pitch for the app?
Ethan Ethier… of investing in finding some of this new content and research that comes out. He has a team of dieticians and coaches and researchers who will look out for that sort of content, but he's also started to work a lot with releasing his own studies. So he'll work with, there's a university where we live and it's called UBC, but he's done self-partner studies, and we've actually started to do a few studies within the app with some of our customers.
Ethan EthierSo an example of this in the app is we had a three versus six-day experiment, and we invited our users to join where half of them would do three days a week working out, half would do six days a week working out, and we use their data within the app to measure some of those results. So that's just another tool for us to continuously get data and run it by with some of the researchers. So it's science and the research and being on the leading front of it has definitely been something that has been core for us.
David BarnardYeah, and it seems like it does play across the entire mission of the company across the app, the content, and everything else y'all do. One of my favorite videos recently was one that Jeremy did on body fat percentage and calorie intake. That was so fascinating. I told Ethan before that I didn't want to turn this into a health and fitness podcast because I'm a health and fitness nerd and could easily have done that.
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More from this episode
- Spend a year fixing trial-to-paid and retention before buying any adsFounder says it lifted the floor for every channel; paid traffic later converted at 25%
- Hype the app launch to your YouTube viewers, course members and email listA launch spike, then a steady trickle; not a growth engine on its own
- Mention the app softly mid-video, and tell user transformation storiesStory videos bring more trials than broad educational ones; old videos give steady monthly trials
- Hire clippers to post long-video clips on Reels and TikTok, then reuse winning hooksSome clips go viral; their hooks now shape new long videos
- Scale Meta ads without the famous founder: B-roll, testimonials and AI image adsScaled from zero to ~$100K/month (host figure); 25% trial-to-paid
- Spend the first month of ads just learning your paid trial-to-paid rateTook about a month to get a baseline to set the allowed cost per customer
- Judge ads by how many trials pay, not by how cheap the trials areClickbait ads brought cheap trials but a huge drop in trial-to-paid
- Build a dashboard that confirms which trials came from Meta, and send Meta your best users
- Send ad clicks to a long personal quiz on your website, not the App StoreQuiz beat direct-to-store; now gets ~90% of traffic; same quiz in the iOS app did worse
- Sell the app as a trainer in your pocket, not a tracker, at $189 a yearKept $189/year since launch; 35-40% organic and ~25% Meta trial-to-paid
- Offer 15% off each if users add a workout buddy to their plan15% of trial starts add a buddy; higher order value and better retention
- Build free calorie and macro calculators that rank in AI search and lead to the quizWorking well, founder says; tools convert slightly better than blog posts
- List every reason a page fails before brainstorming fixes, and write each test down~70% of tests fail first time; written notes turn failures into later winners
- Release new features quietly, and announce only once usage proves themFounder says it gives cleaner reads than email-hyped launches; no numbers
- Build an AI coach trained on the creator's videos that reads each user's own dataOne of customers' favorite features, founder says; no numbers
- Show only the yearly plan first, with a day-by-day trial timeline and reminder promiseAnnual picks rose from ~60% to 75-80%, with no price change
- Add more explanation to the pricing page to make the value clearerHurt conversion; extra text overwhelmed buyers who were ready to start
- Offer 20% off to pay now, with a toggle back to the 14-day free trialQuite negative, even with a 30-day money-back guarantee
- Make both the free trial and the pay-now discount sound goodVery strong lift after a few weeks, vs the version that shamed the trial
- Film a months-long science experiment video with real people in a rented studioOne of the year's top videos; decent but not major app conversion
Tags: youtube, research, credibility, expert-collabs, trust