VoltReflex vs UtilHub UK

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 UtilHub UK
Detail	VoltReflex	UtilHub UK
What it does	Free online reaction time test that measures your reflex speed in milliseconds	The useful corner of the internet
Stage	Not given	Not given
Founded	Not given	Not given
Based in	US	GB
Pricing model	Free	Freemium
Pricing	Not given	Free: 3 public tool runs per 24 hours as guest, 10 runs with free account. Premium: £9 per month for unlimited access to all 123 public tools and 20 Premium workflows. Business Starter: £99 per month including everything in Premium plus one hosted custom business tool and one small monthly update. B
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	VAT calculator Mortgage affordability calculator Word counter Image compressor and resizer Date difference calculator Strong password generator Unit converter CSV to JSON converter ROI calculator Meta tag generator
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	All calculations run locally in the browser with no data transfer UK-focused defaults with editable assumptions Transparent methodology with visible formulas and sense-check results Quality checked before release including boundary values and mobile layouts Free public tools with optional Premium and Business plans
Community votes	0	0
DR (Domain Rating by Ahrefs)	Not checked yet no change since last check	2 no change since last check
Trust Flow (Majestic)	0	3
Citation Flow (Majestic)	12	15
Referring domains (Majestic)	3	3

5 details filled in for both companies.

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