Roundups · Updated October 9, 2026

Best auto-delist tools for eBay, Poshmark and Mercari sellers (2026)

No auto-delist tool is instant on Poshmark or Mercari, because those marketplaces do not notify outside tools when something sells; every tool polls. Published check intervals range from 10 minutes (Vendoo) to 15 minutes (Nifty, Flyp) to 30 minutes (Treecat). The bigger differences are what must stay running (a browser tab, an extension, a desktop agent or nothing) and which plan includes auto-delist.

On this page
  1. Auto-delist compared
  2. What actually prevents double sales
  3. Test any tool before you trust it
  4. FAQ

Auto-delist compared

Auto-delist by tool
ToolPublished sale-check intervalWhat must be runningPlan that includes auto-delist
TreecatEvery 30 minutes, 24/7One computer with the Treecat agent for Poshmark, Mercari, Whatnot, Facebook, Etsy; nothing for eBay, Amazon, ShopifyEvery seller (pay per sale)
VendooEvery 10 minutes (beta)Computer on with Vendoo open in a browser tabStarter and up ($14.99+)
CrosslistNot statedChrome open for Poshmark and other extension marketplacesGold or Diamond ($39.99+)
List PerfectlyNot statedExtension running on a device that does not sleepPro Plus ($99+)
NiftyWithin 15 minutesNot stated for crosslistingCrosslisting Plus ($39.99+)
FlypEvery 15 minutesBeing logged in and active in FlypAll-inclusive plan
PrimeListerNot statedNothing (cloud), extension for setupCrosslisting plan ($49.99)
BlastListerNot statedNot statedAll plans ($9.99+)

Competitor details are from their own websites, checked October 9, 2026: Vendoo, Crosslist, List Perfectly, Nifty, Flyp, PrimeLister, BlastLister. Plans change; check their site before you buy. Spot something out of date? Email [email protected].

What actually prevents double sales

  • It keeps running when you are not watching. A tool that needs an open tab or an awake laptop misses sales overnight if that machine sleeps.
  • It tells you when a delist fails. Logins expire and marketplaces show captchas. Treecat retries and emails you a link to any listing it could not remove.
  • Your listings are linked as one item. Auto-delist only protects listings the tool knows are the same item. See matching existing listings.
  • You can see what happened. Look for an activity log. In Treecat, see checking that delists happened.

Test any tool before you trust it

Crosslist a cheap test item to two marketplaces, sell it on one, and time how long the other listing stays live. Our auto-delist guide walks through it step by step.

FAQ

Frequently asked questions

Which crosslisting app delists fastest?

Of the published numbers, Vendoo checks every 10 minutes (in beta, with a browser tab open), Nifty and Flyp about every 15, and Treecat every 30 minutes around the clock without a browser tab. Several tools do not publish an interval.

Do any auto-delist tools work with my computer off?

PrimeLister says its auto-delist runs in the cloud. Treecat checks eBay, Amazon and Shopify from its servers, but Poshmark, Mercari, Whatnot, Facebook and Etsy need its desktop agent running on one computer. Vendoo, Crosslist and List Perfectly need a browser or extension running for at least some marketplaces.

Can auto-delist prevent every double sale?

No tool can guarantee it, because sales on Poshmark and Mercari are found by polling. A tool that runs 24/7 and alerts you to failed delists keeps the risk low.

Something here out of date or unclear? Email [email protected] and we will fix it.

Crosslisting for US sellers

Put every listing where the fees and the buyers are best.

  • One listing, crosslisted to eBay, Mercari, Poshmark, Whatnot, Amazon, Etsy, Shopify, Facebook and Walmart
  • Sold on one marketplace? It is delisted everywhere else, automatically
  • No subscription: you only pay when a crosslisted item sells