r/QuantifiedSelf
Quantified Self
Founded May 2011 · Public — anyone can post
Self tracking applications, tools, news, etc.
Members
27,509
28K
Online now
—
not captured in the last snapshot
Posts per day
2.8
from the last 100 posts, spanning 35.5 days
Comments per post
—
no sample yet
Growth · 7d
—
not enough history yet
Growth · 30d
—
not enough history yet
Promo tolerance
—
not assessed yet
Last post
Sep 15
sampled Sep 16
Distinct posters
80%
of the last 100 posts
Tracking since Sep 16 · growth spans are the real distance between snapshots, not rounded windows. Posts/day is measured from the community’s own newest posts on Reddit, not from what Prowlo happens to crawl.
Member growth
Tracking since Sep 16 — growth charts appear after a week of history.
Similar by content
Communities that discuss what r/QuantifiedSelf discusses.
Fitness tracker related discussion no matter which fitness tracker you have plus comparison between trackers or advice on which to get without limiting to just one brand. Discussion of any features of fitness trackers is also welcome here, as well as unusual data that you experienced and have questions or comments about. Both more serious athletes and only casual users are welcome here.
OpenTelemetry discussion, news, support, and link sharing.
The high-signal hub for artificial intelligence!
Post your favorite web apps / services. All web app related news is welcome.
See the full lists on similar subreddits.
r/QuantifiedSelf — frequently asked
How many members does r/QuantifiedSelf have?
r/QuantifiedSelf has 27,509 members as of our most recent crawl on Sep 16. Prowlo re-checks tracked communities on a rolling schedule, so this figure moves rather than sitting frozen at whatever it was when a scraper last ran.
Is r/QuantifiedSelf growing?
We don't have 30 days of snapshot history for r/QuantifiedSelf yet, so we're not going to invent a growth number. We've been tracking it since Sep 16; the chart fills in as history accumulates.
How active is r/QuantifiedSelf?
Around 2.8 posts per day, measured from the newest 100 posts on Reddit, which span 35.5 days. Posting rate matters more than subscriber count when you're deciding where to spend your time — it determines how long your comment stays visible.
When was r/QuantifiedSelf created?
r/QuantifiedSelf was founded in May 2011 and is a public — anyone can post community. Age matters: an older community with steady growth has survived Reddit's moderation churn; a young one with a spike may not.
Who posts in r/QuantifiedSelf?
Of the last 100 posts we sampled, 80% came from distinct accounts; the newest was published Sep 15. A low share means a feed dominated by a handful of accounts (bots, mods, or one prolific poster) rather than a community.
Can I promote my product in r/QuantifiedSelf?
We don't have a promo-tolerance read for r/QuantifiedSelf yet. Default to the safe approach: read the sidebar rules, contribute in threads where you gain nothing, and mention your product only when it is the honest answer to someone's question.
How do I monitor r/QuantifiedSelf for mentions?
Hit Watch on this page. Prowlo starts crawling r/QuantifiedSelf into your Dataset — every new post indexed and embedded, searchable semantically, queryable by your AI agent over MCP, and able to trigger keyword alerts in Slack. Prowlo is read-only; it never posts on your behalf.
Can my AI agent read r/QuantifiedSelf's stats?
Yes. Everything on this page is one MCP tool call away: catalog_get_subreddit returns r/QuantifiedSelf's members, growth, promo tolerance and similar communities as typed JSON — free, no credits. Connect your agent to api.prowlo.com/mcp and it can vet the community and start watching it in the same conversation.
Read-only · Human-in-the-loop
Prowlo never posts for you
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