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Head-to-head · Customer Loyalty Software

FIS Loyalty Engagement Solutions vs Smile.io

  • Updated Oct 2026
  • Both researched from official sources
  • 2 checks side by side
Higher score FIS Loyalty Engagement Solutions #1 in Customer Loyalty Software 9.2/10 Pricing on request ✓ 1 of 3 features Visit FIS
Smile.io #8 in Customer Loyalty Software 8.3/10 Free plan Free plan✓ 0 of 3 features Visit Smile.io

FIS Loyalty Engagement Solutions leads on 0 checks, Smile.io on 0, and 2 are even. Who comes out ahead on the 2 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreFIS Loyalty Engagement Solutions · 9.2/10
  • Free planonly Smile.io
  • Most featuresFIS Loyalty Engagement Solutions · 1 of 3

FIS Loyalty Engagement Solutions scores higher on our rubric for customer loyalty software: 9.2 against 8.3 out of 10; our editors rank them #1 and #8.

FIS Loyalty Engagement Solutions is the better fit for banks and enterprises needing broad loyalty models. Smile.io is the better fit for small ecommerce stores starting loyalty affordably.

  • FIS Loyalty Engagement Solutions fits best

    Banks and enterprises needing broad loyalty models

  • Smile.io fits best

    Small ecommerce stores starting loyalty affordably

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature FIS Loyalty Engagement Solutions 9.2/10 Visit ↗ Smile.io 8.3/10 Visit ↗
At a glance
Editor score 9.2 8.3
Ranking #1 in Customer Loyalty Software #8 in Customer Loyalty Software
Best for Banks and enterprises needing broad loyalty models Small ecommerce stores starting loyalty affordably
Pricing model Paid Free plan + paid
Starting price Pricing on request $15/mo
Free plan Not checked yet ✓ (best)
Free trial — —
Deployment Cloud Cloud
Platforms Web Web
Features FIS Loyalty Engagement Solutions 1/3 · Smile.io 0/3
Referral program Not checked yet Not checked yet
POS integrations ✓ (best) Not checked yet
Ecommerce integrations Not checked yet Not checked yet
Specs
Program types card-linked, merchant-funded, transaction-based, behavior-based, relationship-based Not checked yet
Reward types points, cash back, gift cards, travel, merchandise, merchant-funded offers Not checked yet
Member limit Not checked yet Not checked yet
Our review
Pros
  • Supports card-linked, merchant-funded and relationship-based programs
  • Connects payment-card activity to real-time earning and redemption
  • Offers points, cash back, travel, gift cards and other reward types
  • Free plan includes points, referrals, and discounts or free-shipping rewards
  • Supports Shopify POS plus Shopify and BigCommerce integrations
  • Paid tiers add VIP programs, embedded loyalty, and API access
Cons
  • Package pricing requires contacting sales
  • Four packages mean buyers must choose a fit for program complexity
  • Its payment-linked breadth may exceed the needs of simple loyalty programs
  • Free and entry plans cap monthly orders at 200 and 500
  • Essential includes only 1 integration; Standard includes 2
  • API access appears only on Plus and Enterprise plans
Our verdict

FIS Loyalty Engagement Solutions is a cloud-based loyalty program product for banks, credit unions, merchants and digital financial institutions. Its scope spans card-linked, merchant-funded, transaction-based, behavior-based and…

Read the review →

Smile.io gives ecommerce businesses tools to run points and referral programs, offer rewards, and build VIP tiers. It is aimed particularly at stores using Shopify or BigCommerce, with options spanning customer-facing loyalty pages,…

Read the review →
  1. FIS Loyalty Engagement SolutionsCustomer Loyalty Software 9.2Pricing on request
  2. Smile.ioCustomer Loyalty Software 8.3Free plan

Strengths and trade-offs

  • FIS Loyalty Engagement Solutions — where it wins

    • Supports card-linked, merchant-funded and relationship-based programs
    • Connects payment-card activity to real-time earning and redemption
    • Offers points, cash back, travel, gift cards and other reward types

    Where it doesn't

    • Package pricing requires contacting sales
    • Four packages mean buyers must choose a fit for program complexity
    • Its payment-linked breadth may exceed the needs of simple loyalty programs
  • Smile.io — where it wins

    • Free plan includes points, referrals, and discounts or free-shipping rewards
    • Supports Shopify POS plus Shopify and BigCommerce integrations
    • Paid tiers add VIP programs, embedded loyalty, and API access

    Where it doesn't

    • Free and entry plans cap monthly orders at 200 and 500
    • Essential includes only 1 integration; Standard includes 2
    • API access appears only on Plus and Enterprise plans
  • FIS Loyalty Engagement Solutions9.2/10 · Pricing on request

    A broad loyalty suite connecting payment activity, offers and account-level rewards.

    Visit FISFull verdict →
  • Smile.io8.3/10 · Free plan

    A practical starting point for ecommerce loyalty, with costs and limits rising by tier.

    Visit Smile.ioFull verdict →

More comparisons

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update