01
Scan it
Use a barcode or product search to pull up the item instantly.
How JFS works ↗ Scan. Understand. Swap.
Know what’s really in your snack.
Point your camera at a barcode, see a clear JFS rating, understand what drove it, and discover a smarter swap in seconds.
Transparent scoring
USDA + Open Food Facts
No mystery scores
Low Sugar
Low Sodium
Lower Saturated Fat
Lower Artificial Dyes
Barcode scanAI photo analysisSmart Snack SwapCompare productsSaved shopping list
Simple by design
From package to answer in seconds.
JFS turns dense nutrition labels and ingredient lists into a fast, visual explanation you can actually use while shopping.
02
Understand it
See the JFS rating, the nutrition factors behind it, and ingredient context.
Added Sugar
0 g
JFS benchmark ≤ 5 g
Sodium
80 mg
JFS benchmark ≤ 200 mg
Artificial Dyes
None flagged
Goal: none flagged
Processing
Minimal
Goal: less processed
03
Swap smarter
Compare alternatives and choose a better-rated snack that still fits your preferences.
Built for transparency
No mystery scores.
See exactly why.
JFS shows the factors behind every rating, so the number never stands alone. Nutrition, ingredients, and available source data stay visible.
Explore our scoring approach ↗ Actual JFS scoring screen
Nutrition factors, benchmarks, and data confidence stay visible in the app.
Smart Snack Swap
Don’t just say “no.”
Show me something better.
JFS helps you move from a lower-rated product to a better-rated alternative, with the differences shown side by side.
Explore Smart Snack Swap Actual Smart Snack Swap results
JFS ranks available same-type alternatives and shows the source behind each result.
More than a score
Useful before, during, and after the scan.
JFS is designed around real shopping decisions, from finding a product to comparing alternatives and saving what you want to revisit.
AI Photo Scan
Can’t find the barcode?
Use a package or label photo to help match a product, then review the available nutrition and ingredient data.
How AI Photo Scan works ↗
Compare
A vs. B, side by side.
Compare ratings and the factors behind them before deciding what goes in the cart.
Explore Compare ↗
Saved + Shopping List
Keep the good finds.
Save products and build a simple list for your next grocery run.
JFS Premium
More scanning.
More insight.
Premium is built for people who want JFS with fewer limits, more AI photo analyses, and deeper shopping tools.
- Unlimited barcode scanning
- 30 AI photo analyses each billing cycle
- Today’s JFS Picks
- Personalized Smart Snack Swaps
- Compare, saved items, shopping lists, and cloud backup
$9.99/mo
Full Premium access with monthly billing.
Best value
Annual
$39.99/yr
Full Premium access for a year.
Need more AI scans? Optional +10, +30, and +100 AI credit packs are available in-app.
Explore JFS on the web
Search, compare, and understand before you scan.
The JFS website is becoming a searchable knowledge layer for product pages, category browsing, ingredient explainers, comparisons, smarter alternatives, and plain-language guides.
Product Explorer
Search packaged foods or open a product directly by barcode.
Explore products →Ingredient Explainers
Understand the factors and heuristics used in JFS scoring.
Explore ingredients →Compare Products
Put two barcode-linked products side by side with the reasons visible.
Compare products →Find Alternatives
Start with a barcode and look for same-family, better-rated options.
Find alternatives →Browse Categories
Explore currently rateable packaged foods grouped into useful product categories.
Browse categories →Browse Brands
Explore brand hubs when JFS has enough stable, rateable product records to make the page useful.
Browse brands →JFS Learn
Read plain-language guides to scoring, source data, and product comparisons.
Start learning →Real JFS Results
Explore real packaged foods with JFS scores, visible scoring factors, and source-backed product data.
View real results →Real Data Sources
See how JFS uses USDA FoodData Central and Open Food Facts to support product analysis.
See our data sources → Trust center
Built to explain,
not just judge.
We want users to know where product data comes from, what a score means, and where the limits are.
Named data sources
Product information can come from USDA FoodData Central and Open Food Facts, with attribution shown in JFS.
Visible scoring factors
Nutrition and ingredient signals are surfaced so users can understand what moved a rating up or down.
Clear limitations
JFS is for general education and is not medical, dietary, or allergen-safety advice.
Make the next scan count
Your snack aisle just got smarter.
Scan packaged foods, understand the rating, compare products, and find better swaps with JFS.
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