The only tool that judges the product you already have in mind
For first-time sellers about to launch their first Shopify or TikTok Shop store. Type in the product you're already considering and get a go or no-go, with a reason for every rule.

Sample score
GoMini portable blender
How vastooo scores an idea
Type in your idea
What it is, what it costs you, what you’d sell it for, its size and weight.
Get a verdict, rule by rule
Read a go or no-go for your own idea, with a reason behind every rule.
Unlock the rest for $9/mo
Your first score is free. Unlimited scores after that, plus a video hook for every pass.
Not another list of trending products
vastooo doesn't hand you a feed of products to copy. It judges the one you already have in mind. Tell it what the product is, what it costs you, what you'd sell it for, and its size and weight.

Sample input
- Product
- Mini portable blender
- Your cost
- $4.20
- Sell price
- $24.99
- Size / weight
- 9 cm · 180 g

Sample score
Mini portable blender- Margin. Your sell price is 5.9× your cost.
- Shipping weight. Under 200 g, so it ships cheaply worldwide.
- Market saturation. Three TikTok Shop sellers already rank for this.
A reason for every rule, not just a score
vastooo checks your idea against every rule it knows and shows the reason behind each verdict, so you know exactly why a product is worth the ad spend or isn't.
Price
$9 a month. Your first score is free.
No sign-up for your first product score. $9 a month unlocks unlimited scores and a 15-second video hook for every product that passes.