All featuresThirteen things a customer can fix themselves.Address validationEvery address checked as the order lands.Order editingCustomers fix their own orders before it ships.UpsellsA free gift and Recommended for you on the thank you page.RemindersBring them back while the window is open.Order mergeCombine two paid orders before it ships.

OrderEditing.com Account Editor Triom Order Merger Mergify See all comparisons

All integrationsClaude, ChatGPT, Sidekick and what is coming next.SidekickAsk Shopify's assistant what Tacey recorded.ChatGPTAsk ChatGPT about your orders and address checks.ClaudeAsk Claude about your orders and address checks.

All toolsFree, no signup, and they run against public data.Address ValidatorPaste a shipping address. See whether it is deliverable, and what the correction would be.Address TypePO Box, freight forwarder, commercial or residential, and which carriers actually serve it.Agentic ReadinessThe 22 fields an AI shopping agent reads before it will recommend you, scored 0 to 100.App StackPaste any Shopify URL. See every app it runs, across reviews, email, loyalty and 14 more categories.Theme DetectorPaste a storefront. Find out which Shopify theme it runs, and which version.Store ActivityPaste a Shopify store URL. See its catalog size and how many products it added in the last 30, 90 and 365 days.Product LookupPaste a product name or URL. See who else sells it across Shopify, and at what price.

Pricing BlogResources

Help centerGuides for setting up and running Tacey.ChangelogWhat shipped, newest first.MCPConnect an assistant to your Tacey data.

Install on Shopify

Apps & Tools

Honest breakdowns of the Shopify app ecosystem - what's worth installing, what's overpriced, what's quietly great.

TOPICAll notes279 Shopify Operations71 Sales & Conversion46 Marketing & Growth42 Apps & Tools40 Customer Experience35 News & Updates45

ORDERNewest first Oldest first Shortest read

Apps & Tools40 notes

Tacey blog cover: the headline "The Shopify Script Tag Deprecation: An App Audit Checklist for Merchants" in white on a dark background

Apps & ToolsThe Shopify Script Tag Deprecation: An App Audit Checklist for MerchantsWith Shopify's March 1, 2027 deadline for script tag deprecation approaching, merchants must audit their apps to prevent broken functionality.15 September 202614 min read

Tacey blog cover: the headline "The Shopify App Stack for a Store Doing 500 Orders a Month" in white on a dark background

Apps & ToolsThe Shopify App Stack for a Store Doing 500 Orders a MonthThe right Shopify app stack at 500 orders a month by category: email, reviews, loyalty, fulfillment, support, order intelligence, and analytics with specific tool recommendations.2 April 20265 min read

Tacey blog cover: the headline "Chargeback Prevention Strategies Beyond Basic Fraud Tools" in white on a dark background

Apps & ToolsChargeback Prevention Strategies Beyond Basic Fraud ToolsChargebacks cost merchants $315 per dispute on average. Here is a six-layer prevention framework that goes beyond Shopify's basic fraud score for Shopify merchants in 2026.1 April 20265 min read

Tacey blog cover: the headline "The Difference Between Checkout Address Validation and Shopify Address Validation After Checkout" in white on a dark background, beside the Tacey screen that checks a delivery address

Apps & ToolsThe Difference Between Checkout Address Validation and Shopify Address Validation After CheckoutShopify address validation after checkout explained with how order webhook Shopify flow works and why checkout validation alone leads to delivery failures23 March 20265 min read

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Tacey powers Shopify store owners, letting their customers fix their own orders on the Shopify thank you page. Address checks, edits, upsells, reminders and order merges, before anything ships.

Install on Shopify

ProductAll features Address validation Order editing Upsells Post-purchase offer Pre-Shipment Reminder Order merge Free tools

CompareOrderEditing.com Account Editor Triom Order Merger Mergify See all comparisons

IntegrationsAll integrations Sidekick ChatGPT Claude

CompanyAbout Pricing Contact Blog Partners

ResourcesHelp centre Changelog MCP

LegalPrivacy Policy Terms of Service DPA GDPR Subprocessors Trust Centre Cookie Policy Request your data

Every edit, offer and address check happens on the page Shopify already shows your customer. Nothing to install on your theme.

tacey.

Tacey is a Shopify app for order editing, address validation, a free gift and recommended products on the thank you and order status pages, and merging duplicate orders. Customers correct an address, swap a size, change a quantity, add a product, or cancel from the order page Shopify already sent them, inside the window you set. Merchants can combine two paid orders into one before it ships, with no second charge and no refund for its items. Every address is checked the moment the order lands, and every edit is written to a record with what it cost and who asked for it. Available on the Shopify App Store.

© 2026 ONDUTYOPS LLC. All rights reserved.Tacey is a product of ONDUTYOPS LLC, a Delaware limited liability company. Coastal Highway, Lewes, Delaware 19958, United States.hello@taceysupport.appShopify is a trademark of Shopify Inc. Tacey is an independent application listed on the Shopify App Store and is not affiliated with, endorsed by, or sponsored by Shopify Inc. Google and Google Maps Platform are trademarks of Google LLC. Cloudflare is a trademark of Cloudflare, Inc. All other trademarks are the property of their respective owners.