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14,448 startups · 29 programs

Retrofit

Active · A vintage marketplace curated by AI

WebsiteYC profile

Why it ranks

How the rank works
7signal of 100 · rising 4
  • went through YCProgram · this site+4
  • team of 2Team size · YC's directory+2.5

A sum of public facts, not a judgement and not investment advice.

Competitors

AIInactiveCAPSULEShared: social media, uses, findYC S22San FranciscoStartup →
Companies closest to Retrofit
Company
CAPSULEShared: social media, uses, findYC S22InactiveAI

Adjacent

OtherUpteam Corporation LimitedShared: vintage, curated500 Global 2017Hong KongStartup →OtherInactivePerShopShared: personal, apparel and cosmeticsYC W19San FranciscoStartup →DataAdrichShared: sales dataPlug and PlayUnited StatesStartup →OtherBlueskyShared: social mediaNeoStartup →OtherVinteriorShared: vintage, marketplaceSeedcamp 2016Startup →
Companies next to Retrofit
Company
Upteam Corporation LimitedShared: vintage, curated500 Global 2017Not statedOther
PerShopShared: personal, apparel and cosmeticsYC W19InactiveOther
AdrichShared: sales dataPlug and Play Not statedData
BlueskyShared: social mediaNeo Not statedOther
VinteriorShared: vintage, marketplaceSeedcamp 2016Not statedOther

Also from W25 in AI

All of W25
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Company
.WaveInference for real-time AIteam of 2ActiveAI, Devtools
10xAI Sales Teams for Dental Practicesteam of 3hiringActiveAI, Data
a0.devWe make mobile apps using AI.team of 3hiringActiveAI, Devtools
A1Zap by A1BaseThe social network layer for AI appsteam of 2ActiveAI, Devtools
AdamAI Powered CADteam of 4hiringActiveAI, Devtools
AfterQueryApplied research lab curating data solutions for foundation model…team of 30hiringActiveAI, Data, Devtools

Founders

  • Sandra LifshitsFounder/CEO

About Retrofit

Retrofit is reimagining the future of secondhand shopping. We are a new vintage marketplace that uses AI agents to curate and personalize in-demand, trending inventory. We analyze social media trends, sales data, and personal style to find the best vintage pieces that fit an individual’s unique taste, size, and budget.

YC batch
W25 · Winter 2025
Status, per YC
Active
Category
AI
Team size
2
Location
New York City, NY, USA
Founded
2024
Checked
10h ago

Retrofit in W25: 166 companies, 84% AI

LinkedIn

Retrofit: questions

Which YC batch was Retrofit in?

Retrofit was in Y Combinator's Winter 2025 batch (W25).

Is Retrofit still active?

Y Combinator lists Retrofit as active.

Who founded Retrofit?

Retrofit's founders, as listed on its YC page: Sandra Lifshits (Founder/CEO).

Where is Retrofit based?

Retrofit lists New York City, NY, USA as its location on YC's directory.