Test your way to a higher conversion rate.
Proba runs controlled A/B experiments on your main image, title, price, and A+ content — measures the lift with real statistical confidence, and tells you which version actually makes more money.
Everything Proba does for you
Test any listing element
Main image, title, price, bullets, or A+ — run one clean experiment at a time per listing.
Real statistical confidence
Conversion lift is scored with a significance test, so you ship winners, not noise.
Conversion over time
Watch A vs B diverge day by day, then declare the winner with one click when it's conclusive.
Projected annual lift
Every winning test estimates the dollar impact of rolling it out across a full year.
Pricing
Free for one active test. Unlimited experiments and significance scoring from $59/mo.
Proba is one part of Vendaria
See the full suiteInventa
Score untapped niches and high-demand, low-competition products before everyone else.
Copia
Demand forecasts, reorder-point alerts, and overstock warnings for every SKU.
AdSpark
AI-run Sponsored Products, Brands & Display across every client account.
Optera
Score every listing against competitors and claw back the FBA money Amazon owes you.
Scala
Daily organic + sponsored rank, index checks, and share of voice for every keyword.
Apex
Strategy-driven repricing that wins the Buy Box without racing your margin to the bottom.
Recensa
Compliant Request-a-Review automation, rating-trend monitoring, and negative-review alerts.
Aegis
Always-on health monitoring and AI-drafted Plans of Action that get accounts reinstated.
Reverta
Return-rate analytics, refund reconciliation, and recovery of the refund discrepancies you're owed.
Lucra
Live net profit, margin, and a per-SKU P&L synced from Seller Central every hour.