Reddit Subreddit Guide Β· Updated 2026

7 Best Reddit r/AppIdeas Alternatives for Startups (2026)

Best Reddit alternatives to r/AppIdeas for validating software concepts, getting MVP feedback, and finding your first testers.

Once you move from idea validation in r/AppIdeas to a clickable MVP, showcase it where builders test live products.

Best r/AppIdeas Alternatives & Post Templates

#1

r/SideProject

312K weekly visitors

You want people to open the product and tell you what is confusing.

Visit r/SideProject

What works best

β€œI built a tool that does X for Y. The part I am unsure about is Z. Would you use this?”

Avoid this mistake

A title that is only the product name.

#2

r/IMadeThis

6k weekly visitors

You shipped something and the post can be short.

Visit r/IMadeThis

What works best

β€œI made a page that does one job. Here is the link and the bug I am still fixing.”

Avoid this mistake

A long pitch or a list of features.

#3

r/ShowMeYourSaaS

1.7k weekly visitors

You want SaaS founders to look at the product and point at what is weak.

Visit r/ShowMeYourSaaS

What works best

β€œShow me the SaaS. Who it is for, what it costs, and the question I want answered.”

Avoid this mistake

Posting it on the same day as the same pitch in five other subs.

#4

r/StartupSoloFounder

2.1K weekly visitors

Support and advice for solopreneurs building companies alone.

Visit r/StartupSoloFounder

What works best

β€œTurned an idea into a working prototype over the weekend: [one-line value prop]. What feels unclear on first visit?”

Avoid this mistake

Avoid asking 'would you buy this?' without showing a concrete screen or workflow.

#5

r/buildinpublic

63k weekly visitors

A community for weekly build logs, milestones, and lessons. Self-promotion needs context. A bare launch link is a poor fit.

Visit r/buildinpublic

What works best

β€œTurned an idea into a working prototype over the weekend: [one-line value prop]. What feels unclear on first visit?”

Avoid this mistake

Avoid asking 'would you buy this?' without showing a concrete screen or workflow.

#6

r/IndieAppCircle

432 weekly visitors

A smaller, tight-knit group of indie app developers helping each other.

Visit r/IndieAppCircle

What works best

β€œTurned an idea into a working prototype over the weekend: [one-line value prop]. What feels unclear on first visit?”

Avoid this mistake

Avoid asking 'would you buy this?' without showing a concrete screen or workflow.

#7

r/microsaas

46K weekly visitors

The product is a small SaaS and the post is about the business, not a feature list.

Visit r/microsaas

What works best

β€œRaised the price from $9 to $19. Two people churned. Four new people paid. Here is the email I sent.”

Avoid this mistake

A screenshot of the dashboard with no explanation.

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Questions about r/AppIdeas alternatives

What are the best r/AppIdeas alternatives on Reddit?
Top r/AppIdeas alternatives include r/SideProject (312K weekly visitors), r/IMadeThis (6k weekly visitors), r/ShowMeYourSaaS (1.7k weekly visitors), r/StartupSoloFounder (2.1K weekly visitors), r/buildinpublic (63k weekly visitors). Match the subreddit to whether you are sharing a working demo, build metrics, or a solo-founder story.
How do I avoid getting my startup post removed on r/AppIdeas alternatives?
Avoid asking 'would you buy this?' without showing a concrete screen or workflow. Lead with a real problem, concrete numbers, or a specific feedback question, and place your product link once at the bottom.
Where should I launch alongside Reddit r/AppIdeas for SEO backlinks?
Pair Reddit threads with a permanent directory launch on IndieTool. Unlike Reddit threads that drop off the front page in 24 hours, IndieTool gives your startup a permanent page and a DR 51+ do-follow backlink.

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