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05 · Comment playbook

Comments are 80% of the work on Reddit and most of the trust. Agent version with a prompt: social-reddit-comment. File format to keep them: templates/comment-file.md.

Six answer shapes

Shape Use when Opening
Direct fix There's a built-in way to do it "You can do this without any app: …"
Steps It takes a few actions "1. … 2. … 3. …" with exact menu names
Honest comparison "What's the best app for…" 3 options, what each is best and worst at, who should pick which
First-hand experience You've lived the problem "I had the same issue with … What fixed it was …"
Product answer Your app is genuinely the answer The answer first, then "I made an app for this, so I'm biased: …"
Clarifying question The question is vague One question that helps them, plus a short answer for the most likely case

When to mention your product (all must be yes)

  1. It directly answers the question asked, not a nearby one.
  2. You've already given a useful answer in the same comment that works without it.
  3. The subreddit's rules allow it (no-promotion subreddits: never).
  4. In this subreddit, fewer than 1 in 10 of your recent comments mention your products (many subreddits use this ratio, see 08-rules-and-risks.md).
  5. You say it's yours, in plain words.

If any is no: answer without it. Your profile still carries the link for those who want to know more.

Disclosure lines that read naturally

  • "Disclosure: I made this one, so take it with salt."
  • "I'm the developer of X, which does this, but the free way above works too."
  • "Full disclosure, it's mine. Happy to answer anything about it here."

Writing rules

  • Lead with the answer. No "Great question!".
  • Be specific: menu paths, version numbers, file sizes, minutes, prices.
  • Sound like a person: short paragraphs, plain words, your own opinion. Subreddits remove posts that read like AI or ads, and readers downvote them.
  • No link unless it's needed, and never a shortened or masked link. If you link your product, add UTM: ?utm_source=reddit&utm_medium=comment&utm_campaign=<subreddit>.
  • Stay for replies. Answer follow-up questions; that's where readers decide to try your app.
  • Never DM people who didn't ask you to. Unsolicited messages are spam under Reddit's rules.

Illustrative example. Fictional product (Clipnest, a Mac clipboard app).

Thread (r/MacOS): "Is there a way to get back something I copied an hour ago?"

Answer: "macOS only keeps the last thing you copied, so once it's replaced it's gone. Two ways around it: 1. Paste important things into a note right away (Notes has a quick note on the hot corner). 2. Use a clipboard history app. Free options exist; look for one that keeps history only on your Mac.

Disclosure: I made one called Clipnest, it's free for 50 clips. But any of them fixes this."