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kaucjoner.app

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Where to promote your product on Reddit

We did the research — here are the subreddits worth your time, ranked by fit.

Your idea

Kaucjoner is a free iOS app for Poland's bottle deposit-return (kaucja) system that scans, stores, and tracks deposit coupons and receipts, with expiration reminders. It is privacy-first, on-device, and requires no account. Target audience: Polish consumers, recycling/zero-waste enthusiasts, frugal people, and iOS app users.

Matched against 252 researched subreddits

Best places to promote

Ranked by how well your idea fits the community and its promotion rules.

1r/iosapps
r/iosapps

~109k members

95% matchWelcomes makers

r/iosapps is a direct audience for iOS app showcases; self-promotion is welcomed, making it ideal to present Kaucjoner to iPhone users in Poland and beyond.

How to promote here

  • Post a direct app showcase with a strong visual, an honest description, and an App Store link.

  • Include a brief note on what makes it different from alternatives.

  • Engage genuinely with critical comments.

  • Free / Freemium / Lifetime-deal tags perform well.

Key rules

  • Self-promotion / app showcases are an accepted, primary content type.

  • Advised to read the subreddit's own rules before posting.

  • General Reddit norms (participate, don't pure-spam) still apply.

Direct app showcase / launch announcement with screenshot and App Store link.Free / discount / lifetime-deal offers.Posts emphasizing design and iOS integration.
Read the rules
Open subreddit
2r/SomebodyMakeThis
r/SomebodyMakeThis

~88k-94k (approx, sources vary) members

65% matchAllowed with rules

This idea-request community has a creator showcase thread where Kaucjoner could be shared with makers and early adopters interested in practical tools.

How to promote here

  • Reply to an idea request with a built solution that solves it

  • Post completed builds in the monthly Creator Showcase thread

  • Frame contributions around the requester's problem

Key rules

  • Main feed is for ideas / 'somebody make this' requests and feedback — approximate

  • Share finished projects in the monthly Creator Showcase thread

Replying to idea requests with a built solutionCreator Showcase thread entriesFeedback exchanges
Read the rules
Open subreddit
3r/iOSProgramming
r/iOSProgramming

~144k members

55% matchAllowed with rules

iOS developers may find technical interest in the privacy-first, on-device scanning approach; a build story post with technical substance fits here.

How to promote here

  • Post a 'showcase / I built X' with screenshots, the technical approach, and lessons learned.

  • Share open-source Swift/SwiftUI packages with the repo and usage examples.

  • Provide genuine value (answer dev questions) before linking your own work.

Key rules

  • Content should be relevant to iOS development (Swift, SwiftUI, Xcode, App Store).

  • Job ads are routed to a recurring Job Ads thread rather than standalone posts.

  • Avoid spamming users with review/promo requests (called out in the community FAQ).

  • General Reddit ~90/10 self-promotion guideline applies; verify canonical rules first.

iOS project/app showcases with technical breakdown and screenshotsOpen-source Swift/SwiftUI library releases with repo'How I shipped X to the App Store' experience write-ups
Read the rules
Open subreddit
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