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Benson vs Spillmark

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

Benson compared with Spillmark
DetailBenson logo BensonSpillmark logo Spillmark
What it doesStop discount extensions stealing your margin Run your Amazon store on autopilot with AI agents
StageNot given Not given
FoundedNot given Not given
Based inCZ US
Pricing modelNot given Paid
PricingFree plan includes extension detection on 1 site, observe mode, and 10k sessions per month. Stop plan is £49/month (or £490/year) for 50k sessions and 3 sites. Own plan is £149/month (or £1,490/year) for 250k sessions and 5 sites, recommended for putting your own discount widget in front of shoppers Dashboard $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)
Key features
  • Detect coupon and cashback extensions including Honey, Rakuten, Capital One Shopping and others
  • Block extension pop-ups with rules by extension, page, country or device
  • Measure revenue impact with holdout testing
  • Replace extensions with your own discount widget
  • Checkout code policies to allowlist codes in extension sessions
  • Track affiliate integrity and commission redirection
  • A/B test codes and discount widget variations
  • Load third-party apps and tools by rules with measurement
  • Sync widget subscribers to Klaviyo and Mailchimp
  • 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
What makes it different
  • Fixed monthly pricing with no commission on revenue or orders
  • Measure impact against a holdout instead of guessing
  • 14-day free trial of the full Own plan with no card required
  • Works on Shopify, WooCommerce, Magento and any platform with a snippet
  • Lightweight script that does not slow down your store
  • 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
Ships internationallyNot given Not given
Sells onlineNot given Not given
Physical shopNot given Not given
Community votes00
DR (Domain Rating by Ahrefs)42 +41 (up) since last checkNot checked yet no change since last check
Trust Flow (Majestic)00
Citation Flow (Majestic)180
Referring domains (Majestic)70

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