Stop overpaying
for your supplements.
GainsPrice compares the price of the same supplements across 12+ EU stores and finds the cheapest way to buy your entire basket — shipping costs included. Same products, lower total.
Free · No account needed · Barcodes scanned on-device for your privacy
CHEAPEST STORE FOR YOUR BASKET
See it in action
Four taps from search to savings
Scan or search a supplement, compare it across every store, and let GainsPrice build the cheapest basket.
EAN 5060469982083 · found in 6 stores
Illustrative app screens. Live prices and product photos come from our retail partners.
Simple by design
How it works
Scan or search a supplement
Scan a product's barcode (read on your device) or type a name with live suggestions. Build your monthly basket in seconds.
Compare the same product across stores
GainsPrice lines up the identical product at MyProtein, Prozis, Body&Fit, Bulk, Amazon, Decathlon and more — in your country and currency, price and shipping included.
Buy from the cheapest option — shipping included
Get the genuinely lowest total: one store, or a smart split across stores when that's cheaper. Free-shipping thresholds and promo codes are counted automatically.
What you get
Built for smarter supplement shopping
Everything you need to stop overpaying — every month.
Search or scan
Type a product name with live suggestions, or scan a barcode. Real product photos, in your language and currency.
Cheapest basket, shipping in
Add your monthly stack and we find the cheapest way to buy it — even splitting across stores when that's cheaper, with free-shipping thresholds and promo codes counted.
Cheapest or fastest
One toggle: optimize for the lowest price, or the quickest delivery. See exactly what speed costs.
Stack Auditor
Add the supplements you take and we flag overlaps (two products doing the same job) and anything overpriced per gram — so you cut waste.
Price history & alerts
See how a product's price has moved, and know when you're getting the lowest price we've tracked.
Price per gram of protein
The real value metric. A bigger tub often wins even at a higher sticker price — we do the math.
About GainsPrice
An honest price comparison for people who train
GainsPrice is a supplement price-comparison app. You scan or search a product — protein, creatine, pre-workout, vitamins — and we show you the same item across the EU stores you already use, with shipping and delivery time included, then build the cheapest way to buy your whole basket.
Why it exists
Supplements are bought on repeat, and prices swing wildly between stores once shipping and promotions are counted. Comparing it all by hand is tedious, so most people just overpay. We built GainsPrice to do that math instantly and put the savings back in your pocket — not the retailer's.
Independent & transparent
We're an independent platform — not owned by, or speaking for, any retailer or supplement brand. We earn an affiliate commission when you buy through some links, which keeps the app free. It never changes which store we rank cheapest: ranking is always the genuine lowest total cost to you.
Compares the stores you already use
Through official retail and affiliate partners. Logos and brand names belong to their respective owners.
Founding members
Be one of the first to save
GainsPrice is in pre-launch. Join the beta and your feedback shapes the app — real member reviews and savings stats will appear here as the community grows.
“Your review could be here — tell us how much GainsPrice saved on your monthly stack.”
“We'll feature real, verified beta-tester reviews here at launch. No fake testimonials.”
“Average basket savings and number of members will be published here once we have live data.”
We will only ever publish genuine reviews and real, measured statistics.
Good to know
Frequently asked questions
Is GainsPrice free?
Yes — GainsPrice is completely free, with no account required. We earn an affiliate commission when you buy through some store links, which never changes the price you pay or which store we rank as cheapest.
How does GainsPrice make money?
Through affiliate partnerships such as Awin and the Amazon Associates Program. When you buy through a link, the retailer may pay us a small commission. Commission never affects ranking — we always show the genuinely cheapest total cost to you. See our Affiliate Disclosure.
Where do the prices come from?
From official retailer affiliate feeds and public product-search data. Prices, shipping and promotions are estimates and can change, so always confirm the final price on the retailer's own website before buying.
Which countries are supported?
EU markets including France, Germany, Italy, Spain, the Netherlands, Belgium, Ireland, Portugal, Austria, Sweden, Poland and the UK — with local stores, currency and shipping.
Do you sell my data?
No. We never sell your data, show no ads, and use no cross-app tracking. Barcodes are read on your device and photos are never uploaded. Read our Privacy Policy.
Get early access
Be first to try GainsPrice. We'll email you when the beta opens — one email, no spam.
By joining you agree to our Privacy Policy. Unsubscribe anytime.
Get in touch
Questions, partnerships or press?
We reply to every message — whether you're a user, a retailer, or an affiliate network reviewing GainsPrice.