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Spillmark vs Zyro

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Spillmark compared with Zyro
DetailSpillmark logo SpillmarkZyro logo Zyro
What it doesRun your Amazon store on autopilot with AI agents See what drives your store's sales: attribution, CRO and smart offers
StageNot given Not given
FoundedNot given Not given
Based inUS AU
Pricing modelPaid Freemium
PricingDashboard $19/mo, Starter $49/mo (for brands spending up to $3k a month on Meta), Growth $199/mo (for brands spending over $3k a month on Meta) Free plan: $0 forever, up to 1,000 visitors a month. Starter: $47/month, up to 10,000 visitors. Growth: $97/month, up to 50,000 visitors. Scale: $358/month, up to 100,000 visitors.
Key features
  • Holdout testing for measuring true ad lift with statistical ranges
  • Profit dashboard showing earnings by channel after fees and costs
  • Read-only access with no automatic changes to ad accounts
  • Locked experiment designs that cannot be edited after starting
  • Pre-test checks showing whether tests can deliver clear answers
  • Alert notifications for detected problems and issues
  • Branded Amazon PPC tests on Growth plan
  • Revenue by channel: trace which ads, posts and searches drive sales
  • Real profit per sale: shows earnings after product cost, ads, shipping, refunds and fees
  • A/B testing on real visitors with automatic winner detection
  • Intent-triggered pop-up offers and buying-intent triggers
  • Watchdog alerts for sales, tracking and page speed problems
  • Morning Brief email with store status and issues
  • Heatmaps and visitor journeys for understanding customer behavior
  • Automatic pause of losing test versions to protect store revenue
  • No code installation on Shopify, one snippet on other platforms
What makes it different
  • Measures true sales lift causation, not platform attribution credit
  • Built by and tested on an actual Amazon seller's own brand
  • Tests locked before starting with results never edited after
  • Data never shared, pooled or benchmarked with other brands
  • Read-only access by default with full user approval for all changes
  • Shows results in plain dollars, not dashboards or percentages
  • Automatically pauses losing test versions to protect store revenue
  • Links every sale back to the exact ad, post or search that started it
  • Monitors store health every 5 minutes with automated alerts
  • Free plan with no credit card required, no time limit
Ships internationallyNot given Not given
Sells onlineNot given Not given
Physical shopNot given Not given
Community votes00
DR (Domain Rating by Ahrefs)Not checked yet no change since last check43 no change since last check
Trust Flow (Majestic)02
Citation Flow (Majestic)026
Referring domains (Majestic)034

6 details filled in for both companies.

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