Postsell: Order Editing Upsell vs Tacey: Order Editing & Merge
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Nov 9, 2026 for Postsell, Nov 1, 2026 for Tacey.
The short answer
- On the Shopify App Store: Postsell 3.7 from 21 reviews and Tacey 5.0 from 1 reviews.
- Paid plans start at $19/month for Postsell and $29/month for Tacey.
- Postsell lists 11 features Tacey’s listing doesn’t mention, including Bulk editing, Custom attributes, Customer portal.
Head to head
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
Unlimited
0 - 750 Orders
- · Auto-hold and remind until edits close
- · Direct Founder Access + AI MCP & APIs
- · Fix wrong addresses before you ship
- · Merge two orders into one shipment
- · Order Merge and upsells on every plan
- · Post-purchase upsells on the same order
751 - 1500 Orders
- · Auto-hold and remind until edits close
- · Direct Founder Access + AI MCP & APIs
- · Fix wrong addresses before you ship
- · Merge two orders into one shipment
- · Order Merge and upsells on every plan
- · Post-purchase upsells on the same order
1501 - 2500 Orders
- · Auto-hold and remind until edits close
- · Direct Founder Access + AI MCP & APIs
- · Fix wrong addresses before you ship
- · Merge two orders into one shipment
- · Order Merge and upsells on every plan
- · Post-purchase upsells on the same order
2501 - 5000 Orders
- · Auto-hold and remind until edits close
- · Direct Founder Access + AI MCP & APIs
- · Fix wrong addresses before you ship
- · Merge two orders into one shipment
- · Order Merge and upsells on every plan
- · Post-purchase upsells on the same order
5001 - 10K Orders
- · Auto-hold and remind until edits close
- · Direct Founder Access + AI MCP & APIs
- · Fix wrong addresses before you ship
- · Merge two orders into one shipment
- · Order Merge and upsells on every plan
- · Post-purchase upsells on the same order
10k - 20k Orders
- · Auto-hold and remind until edits close
- · Direct Founder Access + AI MCP & APIs
- · Fix wrong addresses before you ship
- · Merge two orders into one shipment
- · Order Merge and upsells on every plan
- · Post-purchase upsells on the same order
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureYour order confirmation email gets a 70% open rate. Why waste it? Postsell turns confirmation emails into revenue machines by embedding native upsell offers that customers actually want to click. No pushy pop-ups ruining your checkout. Just smart, one-click additions to existing orders that feel natural and boost AOV instantly. Plus, eliminate support headaches with full self-service order editing. Wrong address?
Tacey is a self-serve order editing app. Your customers can edit an address, swap, add or change order items or cancel on the thank you and order status pages until your edit window closes, and see any refund first. Every order's address is checked and a wrong one is flagged. Merge orders into one shipment easily! Offer Free gift and recommended product cards upsell on the same page.
- Allow customer-initiated address changes
- Customisable deadline for customer edits
- Deliver exceptional customer service
- AI reviews every order and auto-holds risky shipping addresses
- Customers get a branded link to fix addresses and release holds
- Validates global shipping addresses, including units and PO boxes
- Sends automatic pre-ship reminders when flagged orders get no reply








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 | Postsell | Tacey |
|---|---|---|
| Detected stores | 7 | Not published |
| 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 | Apparel & Accessories, Health & Beauty | Not published |
| Top store countries | Australia, France, United States | Not published |
Reviews
| Measure | Postsell | Tacey |
|---|---|---|
| App Store rating | 3.7 ★ | 5.0 ★(ahead) |
| App Store reviews | 21(ahead) | 1 |
| New reviews, 28 days | 0 | Not enough data |
| Reviewers a year or more in | Not enough data | Not enough data |
FAQ
Postsell and Tacey: common questions
- Is Postsell or Tacey cheaper?
- Paid plans start at $19/month for Postsell and $29/month for Tacey. Shoplist compares base prices only between monthly plans in the same currency; usage charges and annual plans vary, so check each plan’s limits.
- Which has better reviews, Postsell or Tacey?
- On the Shopify App Store: Postsell 3.7 from 21 reviews and Tacey 5.0 from 1 reviews.
- What features does each app list that the other doesn’t?
- Postsell lists 11 the others don’t mention, such as Bulk editing, Custom attributes, Customer portal, Filtering. 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 9, 2026 for Postsell, Nov 1, 2026 for Tacey; 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 9, 2026 for Postsell, Nov 1, 2026 for Tacey. 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.







