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CWILL Popup vs Pier39 AI Post Purchase Offers
Side-by-side comparison
CWILL Popup
CWILL (SendWILL): grow your list with popups and turn subscribers into sales with email.
Built for ShopifyshopifyFree plan available
Pier39 AI Post Purchase Offers
Monetize your thank-you page with a post purchase offers network and bring shoppers back
shopifyFree
At a glance
| Metric | CWILL Popup Email Marketing | Pier39 AI Post Purchase Offers |
|---|---|---|
| Rating | 4.9 ★ | ★ 5.0 ★ |
| Total reviews | ★ 7.7k | 9 |
| Free plan | Yes | Yes |
| Pricing | Free plan available | Free |
| Built for Shopify | ★ Yes | — |
| Pricing tiers | 4 tiers | — |
| Listed features | 5 | 5 |
| Featured placements | 5 | — |
| Languages | 23 supported | 1 supported |
| Listed since | Oct 2022 | Dec 2024 |
AppRanks verdict
Generated from live data on this pageThe call
On the measured data here, CWILL Popup Email Marketing leads on more dimensions (3 vs 1). Pick Pier39 AI Post Purchase Offers if one of the points where it leads is what you need.
Where CWILL Popup Email Marketing leads
- More published reviews: 7,675 vs 9.
- Available in more languages: 23 vs 1.
- Lists Analytics, Announcements and Automations (+30 more) in its marketplace category features; Pier39 AI Post Purchase Offers doesn't.
Where Pier39 AI Post Purchase Offers leads
- Lists A/B testing, AI optimization and AI targeting in its marketplace category features; CWILL Popup Email Marketing doesn't.
How this is generated
Built only from the Shopify App Store listing data shown on this page. AppRanks does not accept payment to influence comparisons. Read the methodology
Read each app's audit: CWILL Popup Email Marketing audit • Pier39 AI Post Purchase Offers audit
1. Listing metadata
Field-level data| Field | CWILL Popup | Pier39 AI Post Purchase Offers |
|---|---|---|
| Tagline | ||
| Listing audit | 95/100 listing audit | 83/100 listing audit |
| Screenshots | images | images |
| Languages | ||
| Platforms | ||
| Developer | ||
| Listed |
2. Pricing & plans
Marketplace-listed plans · paid plans cheapest first, not matched tier-for-tierTier
CWILL Popup
Pier39 AI Post Purchase Offers
Free plan
Free
Free
- 30 new subscribers/month
- 2,000 marketing emails/month
- Unlimited popup views and store traffic
- Unlimited stored contacts
- 24/7 support
No free plan listed
Paid plans
Essential
- 150 new subscribers/month
- 5,000 marketing emails/month
- Unlimited popup widgets and views
- Unlimited stored contacts
- Preset email automations
- Custom sending domain
Pro
- 500 new subscribers/month
- 20,000 marketing emails/month
- Unlimited popup widgets and views
- Unlimited stored contacts
- Custom email flows
- Multi-language email templates
Premium
- 2,000 new subscribers/month
- 60,000 marketing emails/month
- Unlimited popup widgets and views
- Unlimited stored contacts
- Custom email flows
- Customer success support
No paid plans listed
3. Features
As listed by each developerCWILL Popup
- Grow email list: popups, sign up forms, exit intent, spin the wheel, contact us
- Create email campaigns with drag-and-drop editor and professional templates.
- Automate welcome emails, cart recovery, discount alerts, and customer win-back.
- Customize email templates and popup designs to perfectly match your brand style.
- Drive sales with popup discount. Works with Klaviyo, Mailchimp, SMSBump, Privy.
Pier39 AI Post Purchase Offers
- Post purchase offers shown on your thank-you & order status pages after checkout
- Earn revenue from every shopper who engages with an offer
- Shoppers earn store credit or a coupon for your store
- Offer inventory and targeting handled for you
- Real-time reporting on engagement, revenue, and repeat purchases
4. Categories & rankings
Shared categories on the same row · in-category position inlineCWILL Popup
Pier39 AI Post Purchase Offers
Email marketing#2 of 342
—
—
Customer loyalty#70 of 579
—
Ads#80 of 455
5. Category features
Marketplace-curated features per categoryPop-ups0 shared · 31 total
Only in CWILL Popup
- Announcements
- Consent pop-ups
- Custom pop-ups
- Discounts
- Email pop-ups
- Exit intent
- Forms
- Games
- Newsletters
- Rewards
- SMS pop-ups
- Spin the wheel
- Warning pop-ups
- Analytics
- Automations
- Campaigns
- Custom code
- Custom fonts
- Editor tool
- Email capture list
- Geolocation
- Localization
- Reporting
- Segmentation
- SMS capture list
- Tagging
- Targeting
- Templates
- Tracking
- Translation
- Triggers and rules
Only in Pier39 AI Post Purchase Offers
None
Email marketing0 shared · 6 total
Only in CWILL Popup
- Discounts
- Email campaigns
- Forms
- Newsletters
- Pop-ups
- Analytics
Only in Pier39 AI Post Purchase Offers
None
Ads0 shared · 3 total
Only in CWILL Popup
None
Only in Pier39 AI Post Purchase Offers
- AI targeting
- AI optimization
- A/B testing
6. Search rankings
Top 5 keywords · shared rankings prioritized| Keyword | CWILL Popup | Pier39 AI Post Purchase Offers |
|---|---|---|
| sales email popups | #1 | Not ranked |
| email marketing | #2 | Not ranked |
| direct email marketing automation | #2 | Not ranked |
| network | Not ranked | #10 |
| negotiation offers | Not ranked | #22 |
7. Featured placements & badges
Editorial visibilityCWILL Popup5 all-time · 5 recent
- category · Recommended marketing appsNovember 4, 2026
- category · Recommended email marketing appsNovember 4, 2026
- category · Recommended store design appsNovember 3, 2026
- home · Get the best apps for your business with Built for ShopifyNovember 3, 2026
- category · Recommended marketing and conversion appsNovember 2, 2026
Pier39 AI Post Purchase Offers0 all-time · 0 recent
Not featured in any section recently.
8. Activity in the last 90 days
Tracked changes · pricing, features, copy, screenshotsCWILL Popup · 8 changes
- Oct 29descriptionListing copy updated
- Oct 29descriptionListing copy updated
- Oct 21descriptionListing copy updated
- Oct 7descriptionListing copy updated
- Oct 2descriptionListing copy updated
- Sep 30descriptionListing copy updated
- Sep 16descriptionListing copy updated
- Sep 9descriptionListing copy updated
Pier39 AI Post Purchase Offers · 0 changes
No tracked changes.
9. Quality signals
Reviews · velocity · latest sentiment| Signal | CWILL Popup | Pier39 AI Post Purchase Offers |
|---|---|---|
| Average rating | 4.9 ★ (7.7k) | 5.0 ★ (9) |
5 latest reviews · each app
CWILL Popup
- Nov 1, 2026
Thank you for your support Tessa
- Oct 31, 2026
I needed help and the chat feature worked well with CWILL customer service, my rep Tessa was on in less than a minute, she asked clarifying questions, and she understood my need. Tessa then sent a couple of screen shot of actions, and written text explaining what I needed to take care of to correct my concern. The inte
- Oct 30, 2026
- Oct 29, 2026
Va genial y además el soporte funciona muy bien, te atiende una persona real en cualquier momento. Se agradece que no solo sea IA quien chatea contigo. Gracias!!
- Oct 28, 2026
good ria
Pier39 AI Post Purchase Offers
Review text isn't collected for this app yet (9 reviews on the marketplace).
10. App details
Long-form descriptionCWILL Popup
CWILL (SendWILL) helps Shopify merchants collect subscribers and run email marketing campaigns with popups, forms, and automations. Capture subscribers with email popups, exit-intent forms, newsletter signup forms, and spin-the-wheel offers. Email Shopify customers with welcome, abandoned cart, win-back, and post-purchase automations. Sync subscribers with Shopify Email, customize popups, and track performance. Previously known as Trustoo and EcomSend.
Pier39 AI Post Purchase Offers
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. Pier39 AI handles offer matching, merchant onboarding, and optimization automatically, with no code required.
Frequently asked
Common questions about this comparisonIs CWILL Popup Email Marketing or Pier39 AI Post Purchase Offers cheaper?
Both CWILL Popup Email Marketing and Pier39 AI Post Purchase Offers offer a free plan. CWILL Popup Email Marketing lists no paid plan with a published price; Pier39 AI Post Purchase Offers lists no paid plan with a published price. Prices are as listed on the Shopify App Store; check what each tier includes in the Pricing section above.
Which has better reviews, CWILL Popup Email Marketing or Pier39 AI Post Purchase Offers?
CWILL Popup Email Marketing (4.9★, 7,675 reviews) and Pier39 AI Post Purchase Offers (5.0★, 9 reviews) are essentially tied on rating. Look at review velocity and individual reviewer quotes — both visible on each app's detail page — to differentiate.
Should I choose CWILL Popup Email Marketing or Pier39 AI Post Purchase Offers?
Pier39 AI Post Purchase Offers holds the higher average rating (5.0★ vs 4.9★). That is the one dimension AppRanks can separate them on here — read both apps' detail pages for the feature breakdown and recent listing changes.
Which is faster to set up, CWILL Popup Email Marketing or Pier39 AI Post Purchase Offers?
Both apps are one-click installs from the Shopify App Store. AppRanks doesn't measure setup time directly; CWILL Popup Email Marketing has more published reviews to read for user-reported install experience (7,675 vs 9).
Which works better for small vs large Shopify App Store merchants?
AppRanks cannot say which fits a larger or smaller operation — there is no store-size measurement in the Shopify App Store data. What it can show: CWILL Popup Email Marketing has 7,675 published reviews; Pier39 AI Post Purchase Offers has 9 published reviews. Compare plan limits and pricing tiers against your own volume.
Can I migrate data between CWILL Popup Email Marketing and Pier39 AI Post Purchase Offers?
Migration support varies by app and category. CWILL Popup Email Marketing and Pier39 AI Post Purchase Offers both publish their export options on their marketplace listing pages (or in their support docs); some apps offer one-click import from competitors, others require CSV. The fastest check: search "import from Pier39 AI Post Purchase Offers" in each app's help center. AppRanks does not track migration tooling directly — this is a category-specific capability worth verifying before commitment.
11. Other comparisons people make
Apps similar to each onevs CWILL Popup
vs Pier39 AI Post Purchase Offers
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