VoltReflex vs CostCal Pro

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

VoltReflex compared with CostCal Pro
Detail	VoltReflex	CostCal Pro
What it does	Free online reaction time test that measures your reflex speed in milliseconds	Enter every cost, pick the profit you want, get the exact sales price
Stage	Not given	Not given
Founded	Not given	Not given
Based in	US	Not given
Pricing model	Free	Freemium
Pricing	Not given	Free plan forever with 5 saved calculations and 5 exports per month. Starter at $49/year with 200 saved calculations and unlimited exports. Premium at $99/year with unlimited saved calculations and 3 sites. Agency at $199/year with unlimited saved calculations and 25 sites. All plans are yearly in U
Key features	Reaction time measured in milliseconds Sessions of 5, 10 or 20 rounds Best and average score tracking Percentile comparison with online-test benchmarks Shareable score card and friend challenge link Light and dark mode Works on mobile, tablet and desktop No registration or download required Random delay prevents anticipation	Exact sales price calculation from costs Cost breakdown and donut chart VAT, rounding and price floors Bulk profit calculator for 1, 10, 100 or 500 units Discount simulator Break-even orders per month calculator Save and reopen calculations PDF and CSV export Catalogue check for loss detection WooCommerce and Shopify integration
What makes it different	No sign-up, download, or account required Does not collect or store personal data Sub-millisecond timer precision using browser performance API Benchmarks against pro gamers, trained athletes, and average adults Fast and clean interface without ads	Exact decimal math with no rounding drift Solves circular fee dependencies exactly Free plan never expires
Community votes	0	0
DR (Domain Rating by Ahrefs)	Not checked yet no change since last check	Not checked yet no change since last check
Trust Flow (Majestic)	0	0
Citation Flow (Majestic)	12	0
Referring domains (Majestic)	3	0

4 details filled in for both companies.

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