OfferAlert — OfferUp Deal Notifier
By SwiftLayer
Instant desktop alerts when new OfferUp listings match your saved searches. One dashboard for every search you're running.
Time on the storeUnder 6 monthsA rough range, not an exact date
Store users4As shown on the Chrome Web Store
Chrome Web Store ratingNot rated yetNo store ratings yet
Last store update27 Sep 2026Version 1.0.3, 12 days ago
Inside the extension
Product image 1 of 3Reviews
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The maker
SwiftLayer has 18 listings on the store. Updates most of their listings often.
- Listings
- 18
- Combined store users
- ≈132
- Store Featured
- 0
- Updated in the last 90 days
- 18 of 18
- FBM Alert — Facebook Marketplace Notifier51 users · updated in the last day
- PoshAlert — Poshmark New Listing Notifier15 users · updated in the last day
- DepopAlert — New Listing Notifier12 users · updated in the last day
- MercariAlert — New Listing Notifier for Mercari10 users · updated 12 days ago
Combined users can count the same person more than once. See all 18 listings
Ext Watch AI
Should you build in this niche?
One research report for OfferAlert — OfferUp Deal Notifier. Reports come with Plus, Pro and Max.
- Takeaway & demandCited takeaway and search volumes
- Traffic & domainPopularity rank, visits and authority
- Money & pricingPlans and prices from the maker’s site
- ReviewsComplaints and praise, quoted
- Competitors & ranksRank against the closest listings
- Build opportunityWhat to build and how to position it
- Every number shows its source and date
- Ready in a minute or two
- Report and PDF yours for 30 days
