Brandwave

OfferUp vs Poshmark:Which is more popular?

In September 2026, Poshmark had more branded searches than OfferUp among second hand marketplaces worldwide. Poshmark had about 1.8 million branded searches, while OfferUp had 823,000. Poshmark made up 1.8% of all second hand marketplace searches we track, and OfferUp accounted for 0.79%. When we asked ChatGPT and Google AI Overviews about second hand marketplaces, Poshmark appeared in all four answers and OfferUp in three. OfferUp and Poshmark were each mentioned first in two of the four answers.

Among second hand marketplaces worldwide in September 2026

Who do people search for more?

Poshmark, about 2 searches for every 1 for OfferUp

Poshmark 1.8M searchesOfferUp 823K searches

Who does AI mention more?

Poshmark, mentioned in every answer we collected

Poshmark in 4 of 4OfferUp in 3 of 4

Who does AI recommend more?

Each is named first in 2 of 4 answers.

OfferUp first in 2Poshmark first in 2

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Top second hand marketplaces in ChatGPT and Google AI Overviews

In three ChatGPT questions and one Google AI Overview, Poshmark appeared in all four answers. OfferUp was mentioned in three out of four: in two of the three ChatGPT answers and in the Google AI Overview. OfferUp and Poshmark were each listed first in two of the four answers.

Most recommended by AI

Brands get a higher ranking if they are mentioned earlier in the answers.

  1. eBay1st
  2. Poshmark2nd
  3. Mercari3rd
  4. OfferUp4th
  5. Depop5th
  6. The RealReal6th
  7. ThredUp7th
  8. Vinted–

Mentioned by AI

Each dot is one answer, filled in when that answer mentions the brand.

  • eBay4 of 4Named in 3 of 3 ChatGPT answersNamed in 1 of 1 Google answers
  • Mercari4 of 4Named in 3 of 3 ChatGPT answersNamed in 1 of 1 Google answers
  • Poshmark4 of 4Named in 3 of 3 ChatGPT answersNamed in 1 of 1 Google answers
  • Depop3 of 4Named in 2 of 3 ChatGPT answersNamed in 1 of 1 Google answers
  • The RealReal3 of 4Named in 2 of 3 ChatGPT answersNamed in 1 of 1 Google answers
  • OfferUp3 of 4Named in 2 of 3 ChatGPT answersNamed in 1 of 1 Google answers
  • ThredUp2 of 4Named in 1 of 3 ChatGPT answersNamed in 1 of 1 Google answers
  • Vinted0 of 4Named in 0 of 3 ChatGPT answersNamed in 0 of 1 Google answers

See every answer about second hand marketplaces

4 answers

Not named in any answer:

Brands are shown in the order each answer named them. The survey took place in the United States on October 19, 2026.

Is OfferUp or Poshmark more popular in search?

This chart shows how often people search Google for OfferUp and Poshmark by name. Each line represents a brand's share of searches for all eight second hand marketplaces we track, month by month, from English-language searches worldwide.

OfferUp and Poshmark among second hand marketplaces worldwide, by month

Share of searches by month for Poshmark, OfferUp. The figures are in the table below the chart.

View monthly share of searches table
MontheBayVintedDepopMercariPoshmarkThe RealRealOfferUpThredUp
Oct 202558.3%31.9%2.4%2.4%1.9%1%1%1%
Nov 202563.1%28.2%2.1%2.1%1.7%0.92%0.93%0.93%
Dec 202566.6%24.4%2.2%2.2%1.8%1%0.98%0.81%
Jan 202666%24.2%2.2%2.2%2.2%1.2%0.97%1.2%
Feb 202661.5%27.5%2.5%2.5%2.5%1.1%1.1%1.3%
Mar 202662.1%27.8%2.5%2.5%2%0.9%1.1%1.1%
Apr 202658.5%32%2.4%2.4%1.9%1%0.87%1.1%
May 202658.4%31.9%2.4%2.4%1.9%1.1%0.86%1.1%
Jun 202658.3%31.9%2.9%2.3%1.9%1%0.86%0.86%
Jul 202661.4%27.5%3.7%2.5%2%1.1%0.91%0.91%
Aug 202657.5%31.4%3.5%2.3%2.3%1.1%0.85%1%
Sep 202653.7%35.9%3.9%2.2%1.8%0.99%0.79%0.79%

How has the OfferUp and Poshmark comparison changed over the last 12 months?

3 findings
  • Poshmark was ahead of OfferUp in every measured month of the 12 months ending September 2026.
  • Across the 12 months ending September 2026, OfferUp’s share of searches among second hand marketplaces worldwide moved from 1% to 0.79%, and its estimated monthly branded searches moved from 1M to 823K.
  • Across the 12 months ending September 2026, Poshmark’s share of searches among second hand marketplaces worldwide moved from 1.9% to 1.8%, and its estimated monthly branded searches held steady at 1.8M.

How did search popularity change for second hand marketplaces worldwide in September 2026?

2 changes
  1. In September 2026, Poshmark lost share of searches among second hand marketplaces worldwide, from 2.3% to 1.8%.

  2. In September 2026, OfferUp rose from 8th to 7th among second hand marketplaces worldwide.

How are branded searches counted?

2 search terms

Brandwave collects information about searches that people make online using OfferUp’s and Poshmark’s names. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brands is growing, holding steady, or fading.

OfferUp

1 branded search term

  • offerup

Poshmark

1 branded search term

  • poshmark

How the Brand Demand Index is measured

Other head-to-heads among second hand marketplaces

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