Independent software publisher · France · since 2023

We build data products that make opaque markets readable.

Echosync Services turns messy online retail data (prices, promotions, shipping, customer reviews) into one honest answer: what is this really worth, and where should I buy it? Our first product, WheyRadar, does it for sports supplements.

Founded September 2023 Based near Paris Bootstrapped AI-native, built with Claude
Mission

Consumer markets lie by omission. We fill in the blanks.

Prices shown per package instead of per useful unit, "promotions" computed on inflated reference prices, shipping that changes the whole equation, reviews nobody has time to read. Shoppers overpay, and brands fly blind. We fix both sides with the same data.

The real price

We normalize every offer to the unit that actually matters (a gram of protein, a serving, a dose), net of promotions and shipping. One number, comparable across any brand, pack size or merchant.

Independence as a rule

Rankings are never influenced by affiliation or advertising, and we never invent a data point. Unknown means not displayed. That is the moat a brand-funded comparator cannot copy.

Taste, from real buyers

We collect customer reviews from every merchant, in every language, and turn what buyers say about taste into a simple rank within each category. Our own calculation: no star copied from a merchant, no review republished, and nothing shown below a minimum number of reviews.

Our product

WheyRadar

The independent sports nutrition comparator. Live in France, built to go global.

Live · wheyradar.com

Supplements ranked by real price per gram, promotions deducted.

Whey, creatine, EAA/BCAA, omega-3, collagen, protein bars, pre-workout. Every offer from every tracked merchant, recomputed daily. Nobody can buy a better position.

1,500+offers tracked
26merchants
130+brands

WheyRadar Pro B2B

The same data, for the brands and retailers behind the products: competitive positioning, promotional activity, price history, and taste ranks built from customer reviews.

01 Price per gram of active ingredient

€ per 100 g of protein, per gram of creatine, per dose of EPA+DHA. The only metric that is honest across pack sizes, and that works in any currency, in any country.

02 Stack builder

Pick everything you need and WheyRadar finds the cheapest way to buy the whole basket, shipping included, across all merchants. Our "parts list".

03 Checked before it is shown

Every morning, the top offers of each category are re-read live on the merchant's page before publication. A price that changed or cannot be confirmed is held back. Data we cannot verify is never displayed.

04 Taste rank

Customer reviews from every merchant, in every language, turned into a taste rank within each category, so you know how a product tastes before you order.

WheyRadar home page: supplements ranked by real price per gram wheyradar.com, home page →
Roadmap

Dominate one market, then open the next.

The method is deliberate: be irreproachable on one market (coverage, quality, trust) before expanding. The metric we built, real cost per unit of what matters, is universal. It scales to any currency, any country and any category.

1
Now

France

WheyRadar is live and growing: daily collection across 26 merchants, stack builder, live price checks before publication, affiliate partnerships with 11 merchants.

  • Sports nutrition
  • Taste rank
  • WheyRadar Pro
2
Next

Europe & the US

Same brand, same engine, new merchants and currencies. Priority markets: the United States, the United Kingdom, Germany, Spain and Italy, plus French-speaking Belgium and Switzerland.

  • Multi-currency
  • Multi-language
  • Local merchants
3
Then

All supplements, then new categories

From sports nutrition to everyday health: vitamins, magnesium, probiotics, collagen. Then the engine moves to other markets where the unit price is hidden.

  • General health
  • New verticals
  • Global reference

Categories we are exploring next

Every one of these has the same disease: a price per package that hides the price per use, and promotions nobody can verify.

Pet foodPrice per gram of protein, per kg of kibble
Baby careFormula per 100 g, diapers per unit
Coffee & teaPrice per cup, capsules and beans
SkincarePrice per ml of active ingredient
Household consumablesLaundry per wash, razors per blade
Printer ink & tonerPrice per page, original vs compatible
How we build

An AI-native company, from the first commit.

Echosync Services is a one-founder company that ships like a team. The whole WheyRadar stack, the website, the collectors for every merchant, the aggregation and quality gates, the deployment pipeline, was built with Claude Code, working from a written vision, a roadmap and a status file the way a small engineering team would.

In production, the Claude API drafts our weekly editorial pieces, and every figure and study is checked at the source by a human before anything is published. Next, it will read customer reviews at scale, topic by topic (taste, texture, mixability, value), for shoppers and for the brands behind the products.

Everything else is boring on purpose: static pages on the edge, one daily data cycle, a quality gate that blocks a deploy if the data looks degraded, and nothing invented, ever.

Engineering
Claude Code for the entire codebase: site, scrapers, aggregator, tests, CI.
AI in prod
Claude API drafts the weekly articles, human-checked before publication. Next: review analysis by topic and sentiment.
Data
Daily collection across 26 merchants, price history archived, top offers re-checked live every morning.
Delivery
Static site served from the Cloudflare edge, deployed by GitHub Actions behind a quality gate.
Never invent a data pointUnknown price, dose or shipping fee means quarantined, not guessed.
Rankings are never for saleAffiliation pays the bills. It never touches the order of results.
Respectful by designPolite scraping, GDPR, full transparency on how we make money.
Founder

Built by someone who sells data for a living.

James Hill

James Hill

Founder · Echosync Services

James started in electrical engineering and home automation, then moved to B2B sales in e-commerce analytics, where he sells customer-review intelligence to consumer brands every day. WheyRadar is what happens when a supplement buyer who understands both data and sales gets tired of being misled by a price per kilo.

Bilingual French and English, British-born, based near Paris. Currently completing a Master's in International Business Development alongside building Echosync.

Contact

Talk to us

Brands and retailers interested in WheyRadar Pro, partners for new markets, or anyone who wants to compare notes on consumer data.

james@echosyncservices.com

Fontenay-lès-Briis, Essonne, France