Is there a good app for sell secondhand items?
Fully Served: 28 apps already serve this, and 2 data points mined from real user reviews show where they fall short. Good apps already cover what people want. You'd need a strong wedge.
Data refreshed September 7, 2026 · scores recompute weekly as new reviews are mined, so re-check before you build.
What users complain about
The most common complaints behind apps that try to sell secondhand items, mined and clustered from real reviews:
| Complaint area | Type | Mentions | What a user said |
|---|---|---|---|
| used-items-sold-as-new | reliability | 1 | They send used and returned items as new then try to get you to pay for them to pick it up |
| sell items directly from inventory | missing-feature | 1 | I wish you could sell things from the inventory directly |
Apps that already serve this
| App | Rating | Ratings | Price |
|---|---|---|---|
| OfferUp Buy & Sell Marketplace | 4.8 | 4,443,446 | Free |
| Mercari: Buying & Selling App | 4.8 | 1,948,471 | Free |
| Poshmark: Shop & Sell Fashion | 4.8 | 1,075,440 | Free |
| eBay online shopping & selling | 4.8 | 4,969,113 | Free |
| SocialSell - Buy and Sell Used and New Items Locally, Shop Deals Near You | 1.5 | 16 | $1.99 |
| Depop - Buy & Sell Clothes | 4.8 | 999,547 | Free |
| Vinted: Pre-loved marketplace | 4.8 | 271,399 | Free |
| Marketplace Buy and sell | 2.7 | 179 | Free |
Should you build it?
Good apps already cover what people want. You'd need a strong wedge. Opportunity here scores 4 out of 100 — a function of demand, how crowded the field is, and how badly the existing apps perform. Use the live map to compare it against adjacent tasks.
Who has tried building this
7 tiny attempts under 4 stars, split active/dead; a fragmented graveyard of marketplace clones with zero traction.
| Project | Status | Stars | Stack |
|---|---|---|---|
| dilip12git/EX2NEXT-resale-marketplace | stale | 4 | JavaScript |
| Hoon2724/Fall25_CSE416_Team2 | active | 3 | JavaScript |
| arnabuchiha/SecondHandAuction | active | 2 | TypeScript |
| DalvicDevTeam/mobile-ecom-24 | stale | 2 | Java |
| googlarz/vinted-mcp-cli | active | 2 | TypeScript |
| hkhuang07/2H-SecondHand-Website-PHP | active | 2 | HTML |
| LarryBrinzo/Quidish | stale | 2 | Java |
Open-source projects that attempted this task — active ones show today's bar; abandoned ones are a signal to validate why earlier attempts died.
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<a href="https://speculora.com/gap/sell-secondhand-items-1100"><img src="https://speculora.com/badge/1100.svg" alt="Speculora: Sell secondhand items — Fully Served" height="28"></a>Markdown
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