Period Tools 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.

Period Tools compared with UtilHub UK
Detail	Period Tools	UtilHub UK
What it does	Free, accurate cycle and period predictor	The useful corner of the internet
Stage	Startup	Not given
Founded	2026	Not given
Based in	Not given	GB
Pricing model	Freemium	Freemium
Pricing	All calculators and guides are free. Period Tools Pro (optional): $4.99/month or $19.99/year.	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	Predicts next 6 periods Calculates ovulation day Identifies fertile window Private on-device tracking Cloud sync for Pro subscribers No signup required	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 data collection or server storage Uses standard medical calculation methods Honest about limitations and accuracy No aggressive marketing tactics	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)	15 +1 (up) since last check	2 no change since last check
Trust Flow (Majestic)	20	3
Citation Flow (Majestic)	9	15
Referring domains (Majestic)	77	3

5 details filled in for both companies.

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