Spillmark vs Superfuel

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 Superfuel
Detail	Spillmark	Superfuel
What it does	Run your Amazon store on autopilot with AI agents	The Amazon listing agent, measured
Stage	Not given	Not given
Founded	Not given	Not given
Based in	US	Not given
Pricing model	Paid	Freemium
Pricing	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)	Free trial: 5 products, 15,000 credits/month for 3 months, no card needed. Starter: 10 products, $49/month, 50,000 credits/month. Growth: 40 products, $199/month, 200,000 credits/month. Each product costs 5,000 credits per month.
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	Writes all five listing fields as one coordinated set Ranks keywords by actual sales performance Analyzes competitor listings and customer reviews Measures change impact on rank, CTR and conversion rate Automatically reverts underperforming changes Answers customer questions from reviews Identifies missing high-performing keywords Checks results four weeks after publishing Approves each field individually or publishes automatically
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	Measures actual impact of changes on sales, not guesses Automatically reverts changes that hurt sales Writes all five fields as one coordinated set to avoid keyword duplication Optimizes for Rufus and Alexa+ questions alongside Amazon search Learns and improves with each pass through a product
Ships internationally	Not given	Not given
Sells online	Not given	Not given
Physical shop	Not given	Not given
Community votes	0	0
DR (Domain Rating by Ahrefs)	Not checked yet no change since last check	25 no change since last check
Trust Flow (Majestic)	0	7
Citation Flow (Majestic)	0	26
Referring domains (Majestic)	0	48

5 details filled in for both companies.

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