r/QuantifiedSelf↗
Quantified Self
29k subscribers148 posts / mo in Sep 2026 (incl. ~4% by known bots)128 authors / mosince 2011
r/QuantifiedSelf has 29k members (+52% over the last 12 months). It gets about 148 posts a month from 128 people. Top topics: Sleep Tracking & Watches, Mood Tracking Apps and Fitness Trackers & Apps.
When to post on r/QuantifiedSelf
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How r/QuantifiedSelf has grown
Subscriber growth
Subscribers over time
Monthly activity
Posts, comments and authors per month
Topics and brands on r/QuantifiedSelf
Top topics
Share of the subreddit's posts
- Sleep Tracking & Watches1.9%
- Mood Tracking Apps1.5%
- Fitness Trackers & Apps0.9%
- Habit Tracking Apps0.8%
- Smartwatches0.8%
Brands people mention
Most-mentioned brands and sites, last 12 months
- Apple
- Substack
- Last
- Medium
- itch
Everything else about r/QuantifiedSelf
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