r/Startup_Ideas
Startup ideas - for inventors, entrepreneurs and investors
Founded March 2014 · Public — anyone can post
This subreddit is for sharing innovative startup ideas. Links and discussion about startups and descriptions of startups are welcome! Share ideas. Improve ideas. Expand upon other ideas. Combine ideas. Implement ideas.
Members
341,184
341K
Online now
—
not captured in the last snapshot
Posts per day
12.2
from the last 100 posts, spanning 8.1 days
Comments per post
—
no sample yet
Growth · 7d
—
not enough history yet
Growth · 30d
—
not enough history yet
Promo tolerance
high
read the sidebar rules first
Last post
Sep 22
sampled Sep 23
Distinct posters
90%
of the last 100 posts
Tracking since Aug 8 · 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
What works in r/Startup_Ideas
Every post in a recent sample, labelled by format. Share is how much of the sample used that format; average score is how it performed.
| Format | Share of posts | Avg score |
|---|---|---|
| Promo | 27% | 100 |
| Question | 19% | 13 |
| Discussion | 16% | 54 |
| Show & tell | 12% | 148 |
| Lessons / story | 12% | 164 |
| Rant | 6% | 104 |
| News / link | 4% | 1 |
| How-to | 3% | 133 |
Based on 73 posts sampled in September 2026. A sample, not the full history.
- Median score
- 36
- Top 10% score
- 235
- Text posts
- 90%
- Got no replies
- 12%
- Busiest windows
- Mon 16:00 UTC, Tue 10:00 UTC
What a good comment looks like here
- — Offers specific, actionable advice
- — Shares first-hand experience or case studies
- — Directly answers the prompt or question
- — Provides context and reasoning for suggestions
Similar by content
Communities that discuss what r/Startup_Ideas discusses.
The place to discuss about startup ideas. Share your business ideas, get feedback, and connect with other entrepreneurs.
Honest feedback on business ideas. Post your idea with real detail, get told what's wrong with it (and what might work). No self-promotion, no polls, no AI-generated posts, no "what business should I start?" with zero context. Use a flair. Follow the template. Search before posting.
Welcome! This subreddit is designed to be a professional environment where developers, entrepreneurs, and creators can come together to share their amazing app ideas. Please take a moment to look over our rules before posting.
Welcome to /r/startups, the place to discuss startup problems and solutions. Startups are companies that are designed to grow and scale rapidly. Be sure to read and follow all of our rules--we have specific places for common content and requests.
A community for founders, builders, and tech enthusiasts to share startup ideas, discuss new technologies, and learn from each other. Whether you’re coding your MVP, managing a business, or exploring new tech trends, you’re welcome here. Let’s build the future together.
See the full lists on similar subreddits.
r/Startup_Ideas — frequently asked
How many members does r/Startup_Ideas have?
r/Startup_Ideas has 341,184 members as of our most recent crawl on Sep 23. 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/Startup_Ideas growing?
We don't have 30 days of snapshot history for r/Startup_Ideas yet, so we're not going to invent a growth number. We've been tracking it since Aug 8; the chart fills in as history accumulates.
How active is r/Startup_Ideas?
Around 12.2 posts per day, measured from the newest 100 posts on Reddit, which span 8.1 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/Startup_Ideas created?
r/Startup_Ideas was founded in March 2014 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/Startup_Ideas?
Of the last 100 posts we sampled, 90% came from distinct accounts; the newest was published Sep 22. 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/Startup_Ideas?
Our read on r/Startup_Ideas is high promo tolerance. It has a promo-friendly culture or a dedicated thread, but that still means being useful first. Always read the sidebar rules before you post; moderator enforcement is the thing that actually decides.
How do I monitor r/Startup_Ideas for mentions?
Hit Watch on this page. Prowlo starts crawling r/Startup_Ideas 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/Startup_Ideas's stats?
Yes. Everything on this page is one MCP tool call away: catalog_get_subreddit returns r/Startup_Ideas'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
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