
JDMarket.cc
Telvin Bot
InstantAlert.me
Items Tracker for Vinted
Facebook Marketplace, Vinted, eBay & OfferUp alerts with sold comps and profit estimates for resellers.
LayerStack’s Arm-based cloud virtual machines, powered by cloud-optimized CPU based on Arm architecture that deliver excellent cost-effective processing power, allowing you to easily complete the most demanding application development.

Website, pricing, platforms and company facts side by side.
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| Website | dealsonar.io | layerstack.com |
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| Company | Startup from the United Kingdom · 2026 | — |
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In their own words, as submitted to SaaSHub.

DealSonar is a marketplace monitoring tool for resellers. Set keyword, location, and price filters once, then get alerts when new listings appear on Facebook Marketplace, Vinted, eBay, and OfferUp. Who it's for Resellers and flippers across the UK, US, and EU who source locally and need to...
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As answered by people managing DealSonar and LayerStack Arm-based Cloud Server.
DealSonar's answer
Choose DealSonar if you want speed and clarity together: continuous monitors across the marketplaces resellers actually use, instant alerts (Dashboard, Email, Discord, Telegram), and sold comps with profit estimates instead of alerts alone. It is built as a web dashboard for UK, US, and EU resellers, with a 7-day free trial on paid plans.
DealSonar's answer
Resellers, flippers, and side hustlers who source on Facebook Marketplace, Vinted, eBay, and OfferUp, then sell on eBay or other channels. Typical users hunt phones, laptops, consoles, trainers, and other high-turn categories across the UK, US, and EU
DealSonar's answer
DealSonar combines multi-marketplace monitoring with deal judgment in one workflow. You get alerts for Facebook Marketplace, Vinted, eBay, and OfferUp, plus eBay sold comps and profit estimates on matching listings, so you can decide whether to buy before you message the seller.
DealSonar's answer
DealSonar started from the same problem most local resellers hit: good deals disappear while you manually refresh Marketplace. The product was built to watch searches continuously, alert the moment a listing matches, and surface comps and margin so you can act in seconds, not after the item is gone.
DealSonar's answer
Next.js / React (web app) Supabase (auth and data) Stripe (billing) Optional Chrome extension for messaging workflows
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JDMarket watches Facebook Marketplace, Craigslist, OfferUp, Kijiji & Gumtree, scores every new listing 1–5 with AI, and sends matching listings to your phone or Telegram after detection and filtering. App plans from $30/mo.
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