Best Loyalty Rewards · head-to-head
Smile.io vs ReferralHero
A sourced, side-by-side comparison for loyalty rewards. Smile.io has the lower entry price. Every figure links to the vendor's own page and the date we captured it.
Smile.io has the lower entry price — Smile.io starts at $0/mo, ReferralHero at $0/mo. Free tier: Smile.io Yes, ReferralHero Yes. HIPAA: Smile.io —, ReferralHero —.
As of 2026-06-14 · figures link to their source below
Side by side
Smile.io
$0/mo entryReferralHero
$0/mo entrySources — Smile.io: smile.io (verified 2026-06-14) · ReferralHero: referralhero.com (verified 2026-06-14)
Key features
Smile.io: Points and referral programs; VIP tiers; Loyalty Hub (personalized member portal); Embedded checkout extensions; Bonus point events and point multipliers; Shopify POS omnichannel sync; On-site loyalty nudges; Product page point display; Points expiry controls; Data warehouse sync (Enterprise); 99.9% uptime SLA (Enterprise); 30+ pre-built reports
ReferralHero: Referral programs; Affiliate programs; Waitlist and contest campaigns; NPS surveys; AI-powered referral tracking; Gamified program elements; Anti-fraud protection (PRO+); Custom branding and white-label widgets (PRO+); Unlimited campaigns (PRO+); Custom sender domain for automation emails (PRO+); ReCaptcha and SMS verification (PREMIUM+); Coupon code rewards; Broadcast messaging (PREMIUM+); EU and UK Data Processing Agreements available; Dedicated Data Protection Officer; 48-hour setup time for launch-ready programs