Kelby – Loyalty & Rewards vs S Loyalty and Rewards Program
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Oct 14, 2026 for Kelby, Nov 9, 2026 for S Loyalty and Rewards Program.
The short answer
- Both list a free plan. Paid plans start at $29/month for Kelby and $19.99/month for S Loyalty and Rewards Program.
- S Loyalty and Rewards Program lists 6 features Kelby’s listing doesn’t mention, including Cash back, Cash back programs, Coupons.
Head to head
- United States
- Japan
- Canada
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
Free
- · One-click import
- · Points, rewards and referrals
- · Referrals with fraud protection
- · Rewards at checkout
- · Storefront widget and loyalty page
- · Up to 250 orders a month
Core
- · Analytics and reporting
- · Automated emails
- · Everything in Free
- · Limited-time campaigns
- · No per-order fee
- · Points expiry and custom actions
Free
- · 3 rewards of fixed amount off
- · Birthday bonus
- · Custom logo & theme
- · Multi-language support
- · Shopper notifications
- · Up to 100 monthly orders
Basic - Premium
- · *Subject to plan
- · 5-20 rewards*
- · 50-1000 monthly orders*
- · Advanced options
- · Bonus points campaign
- · Free features+
Higher Volume
- · *Ask for details
- · 1000+ monthly orders*
- · 20+ rewards
- · Free loyalty interfaces design
- · No S Loyalty branding
- · Premium features+
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureLoyalty for your Shopify store doesn’t need to be expensive. Kelby is free for up to 250 orders a month, and Core costs $29 a month no matter how many orders you take. Customers earn points for buying, signing up, subscribing, or having a birthday. Customers redeem cart discounts through checkout. Bring balances and VIP status from your current loyalty app.
See why other Shopify and Shopify Plus merchants use S Loyalty to build customer loyalty and grow store sales! S Loyalty offers rewards, personalized bonuses and points based campaigns to give your customers more reasons to come back. We make it easy to use your loyalty program to engage customers with personalized rewards and custom campaigns.
- Core has no order limit or per-order fee, keeping your price flat as sales grow.
- Customers redeem cart discounts that carry through checkout.
- Import points and VIP tiers, then preview every match before moving.
- Offer “Pay with Points”, “Free Shipping” or percentage and fixed amount rewards
- Holiday bonuses, birthday rewards, special points events, extra point campaigns
- Personalized features: “Welcome” and “Birthday” bonuses and “Thank You” messages
- Check customer purchasing and point redemption history, and export the data
All the numbers
Every figure, side by side
A green dot marks the app ahead on a measured figure. Estimates, gaps and apps that leave no storefront trace never take the lead.
Adoption
| Measure |  Kelby |  S Loyalty and Rewards Program |
|---|---|---|
| Detected stores | Not published | 237 |
| Net store change, 28 days | 0 | −3 |
| Stores added, 28 days | Not enough data | 1 |
| Big-brand share | Not enough data | 11% |
| Top store categories | Not published | Health & Beauty, Apparel & Accessories, Food, Beverages & Tobacco |
| Top store countries | Not published | United States, Japan, Canada |
Reviews
| Measure | Kelby | S Loyalty and Rewards Program |
|---|---|---|
| App Store rating | Not published | 4.4 ★ |
| App Store reviews | Not published | 235 |
| New reviews, 28 days | Not enough data | 0 |
| Reviewers a year or more in | Not enough data | Not enough data |
Pricing
| Measure | Kelby | S Loyalty and Rewards Program |
|---|---|---|
| Free plan | Yes | Yes |
| Lowest paid monthly plan | $29/month | $19.99/month(ahead) |
| Longest free trial | 14 days | 14 days |
| Plans listed | 2 | 3 |
Listing
| Measure | Kelby | S Loyalty and Rewards Program |
|---|---|---|
| Shopify category rank | Not enough data | #384 |
| Shopify App Charts | Not on this week’s charts | #22 in Loyalty and rewards |
| Built for Shopify | No | No |
| Launched | Aug 24, 2026 | Nov 9, 2012 |
| Languages | 1 | 1 |
| Developer | Sundry | S Loyalty |
FAQ
Kelby and S Loyalty and Rewards Program: common questions
- Is Kelby or S Loyalty and Rewards Program cheaper?
- Both list a free plan. Paid plans start at $29/month for Kelby and $19.99/month for S Loyalty and Rewards Program. Shoplist compares base prices only between monthly plans in the same currency; usage charges and annual plans vary, so check each plan’s limits.
- What features does each app list that the other doesn’t?
- Kelby lists 1 the others don’t mention, such as VIP tiers. S Loyalty and Rewards Program lists 6 the others don’t mention, such as Cash back, Cash back programs, Coupons, Membership perks. A feature missing from a listing may still be supported; this compares what each App Store listing says.
- Where does this comparison’s data come from?
- Shoplist crawls Shopify storefronts to detect which apps each store runs, and reads each app’s Shopify App Store listing for reviews, pricing, features and integrations. Store counts are as of Oct 14, 2026 for Kelby, Nov 9, 2026 for S Loyalty and Rewards Program; estimated figures are labeled.
How Shoplist compares apps
Store counts come from Shoplist’s crawl of Shopify storefronts, which detects the apps each store runs; they are as of Oct 14, 2026 for Kelby, Nov 9, 2026 for S Loyalty and Rewards Program. Reviews, ratings, plans, features and integrations come from each app’s Shopify App Store listing. 28-day figures are labeled when estimated, and a figure that is missing or estimated never decides who leads. Read the methodology.