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 public page it was captured from — the vendor's own wherever the vendor publishes the number, otherwise the named public source — with 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 2026-09-02 · figures link to their source below
Side by side
Smile.io
$0/mo entryReferralHero
$0/mo entrySources — Smile.io: smile.io (verified 2026-09-02) · ReferralHero: referralhero.com (verified 2026-09-02)
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