Jozsef Birton

@hollywoodoo

London, England, United Kingdom

Founder of BuySignal — independent UK deals tracker monitoring 130,000+ live deals daily. Building in public.

BuySignal
Independent UK deals tracker monitoring 130,000+ live deals daily across 20+ retailers, including Currys, Argos, and John Lewis. Full deals hub from £2.99/month, or individual Price Signal alerts at £5 one-time.

Recent activity

PostedI built a UK deals aggregator tracking 140,000+ live offers — here's what I actually learned2026-06-13
Commented on6 weeks solo, 2 rejections, finally live but nobody told me marketing would be this hard2026-06-13
PostedI analysed 143,146 UK deals to find which retailers actually discount the most2026-06-11
Commented onHow I went from 600 LinkedIn profile views to 12 actual clients in 90 days2026-06-11
Commented onBuilding ExpenseSpy solo, no funding — launching June 17 on iOS & Android2026-06-10
Commented onI audited an app built 100% with AI. Here's what I found.2026-06-10
Commented on7 months building, 2 paying customers, $128 MRR — launching on Product Hunt today, terrified.2026-06-10