Perks: Email & Loyalty vs Pier39 AI Post Purchase Offers
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Nov 4, 2026 for Perks, Nov 7, 2026 for Pier39 AI Post Purchase Offers.
The short answer
- Only Perks lists a free plan.
- Pier39 AI Post Purchase Offers lists 3 features Perks’s listing doesn’t mention, including Cash back, Cash back programs, Store credit.
Head to head
- United States
- Canada
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
Starter
- · Customizable storefront widget
- · Earn Points for Purchases
- · No order caps
- · Redeem Points for Discounts
- · Works inside Shopify admin
Growth
- · Includes all Starter features
- · Priority support
- · Re-engage signups who never bought
- · Reward first-time & win-back buyers
- · Smart customer segments (AI)
Pro
- · Includes all Growth features
- · Priority support
- · Re-engage at-risk, lost & inactive
- · Remind customers to redeem points
- · Reward loyal, growing & top spenders
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featurePerks is a retention platform for online stores. Its proprietary AI analyzes your customers and recommends ready-made email campaigns — 11 types, for your entire customer base, past and future, automatically included. You set the reward once, and they keep working automatically, all the time. Loyalty points and rewards are included as one lever inside Perks, not a separate app. One platform, one setup, one bill.
Pier39 AI helps you earn more from every order while driving repeat purchases without extra marketing effort. After checkout, shoppers can discover curated offers from complementary brands and earn store credit or discount coupons for your store. Every engagement generates additional revenue for you while giving customers a reason to come back and buy again.
- Customize, launch, and manage your loyalty program
- Analyzes customer purchase patterns and helps launch AI targeted email campaigns
- Customize storefront widget to match your brand's look and feel
- Earn revenue from every customer with post-checkout brand engagements
- Reward shoppers with store credits/ discount coupons to boost repeat purchases
- No-code setup with smooth post-checkout offer placements
- Access real-time analytics to track engagement and revenue performance
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 |  Perks |  Pier39 AI Post Purchase Offers |
|---|---|---|
| Detected stores | Not published | 171 |
| Net store change, 28 days | 0 | 0 |
| Stores added, 28 days | Not enough data | Not enough data |
| Big-brand share | Not enough data | Not enough data |
| Top store categories | Not published | Home & Garden, Arts & Entertainment, Health & Beauty |
| Top store countries | Not published | United States, Canada |
Reviews
| Measure | Perks | Pier39 AI Post Purchase Offers |
|---|---|---|
| App Store rating | Not published | 5.0 ★ |
| App Store reviews | Not published | 9 |
| New reviews, 28 days | Not enough data | Not enough data |
| Reviewers a year or more in | Not enough data | Not enough data |
Pricing
| Measure | Perks | Pier39 AI Post Purchase Offers |
|---|---|---|
| Free plan | Yes | Not listed |
| Lowest paid monthly plan | $29/month | No monthly plan listed |
| Longest free trial | 14 days | Not listed |
| Plans listed | 3 | Not published |
Listing
| Measure | Perks | Pier39 AI Post Purchase Offers |
|---|---|---|
| Shopify category rank | #420 | #79 |
| Shopify App Charts | Not on this week’s charts | Not on this week’s charts |
| Built for Shopify | No | No |
| Launched | Sep 21, 2026 | Dec 13, 2024 |
| Languages | 1 | 1 |
| Developer | Perks | Pier39 AI |
FAQ
Perks and Pier39 AI Post Purchase Offers: common questions
- Is Perks or Pier39 AI Post Purchase Offers cheaper?
- Only Perks lists a free plan. 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?
- Perks lists 2 the others don’t mention, such as Custom programs, Points. Pier39 AI Post Purchase Offers lists 3 the others don’t mention, such as Cash back, Cash back programs, Store credit. 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 Nov 4, 2026 for Perks, Nov 7, 2026 for Pier39 AI Post Purchase Offers; 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 Nov 4, 2026 for Perks, Nov 7, 2026 for Pier39 AI Post Purchase Offers. 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.