app . need help visit our support site for faqs and more.unlike many of its competitors ... when a perka customer checks in the shop is notified . only after a purchase is validated is a loyalty reward granted.fast companyperka tailors loyalty programs that encourage repeat visits and improve sales . merchants can include rewards for multiple products or services at once.tech crunchenables small businesses across all sectors to roll out sophisticated and multifaceted loyalty efforts on par with airline and credit card rewards programs.entrepreneurmerchant sign inblogcontact usjobsaboutsupportlet s be friends privacy policy terms of usemade in nyc