r/whatisthisthing↗
For the identification of mysterious objects
For the identification of mysterious objects
3.2M subscribers2,059 posts / mo in Sep 20261,777 authors / mosince 2010
r/whatisthisthing has 3.2M members (+5.4% over the last 12 months). It gets about 2,059 posts a month from 1,777 people. Top topics: Old Tools Identification, Mystery Objects and Mystery Car Parts.
When to post on r/whatisthisthing
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How r/whatisthisthing has grown
Subscriber growth
Subscribers over time
Monthly activity
Posts, comments and authors per month
Topics and brands on r/whatisthisthing
Top topics
Share of the subreddit's posts
- Old Tools Identification1.0%
- Mystery Objects0.8%
- Mystery Car Parts0.7%
- Kitchen Utensil Mysteries0.6%
- Found Objects0.5%
Brands people mention
Most-mentioned brands and sites, last 12 months
- eBay
- etsy
- Walmart
- Drugs
- WorthPoint
Everything else about r/whatisthisthing
Posting rules and account requirements, how often posts get removed, who writes here (age, gender, countries), what people ask for, how they talk, and related subreddits — all in the full report.
Posts and activity for Sep 2026. Members from Reddit's subscriber counts. Read from the same data the app runs on. Our research