Reddit Self-Promo case study: Achiv beat my intuition on the same post: 4x views - copy strategy in 10 minutes.

Yesterday I ran a clean experiment to compare manual subreddit selection vs Achiv-guided selection. Same post, two subs — one picked by gut, one picked by my tool. The tool won by 4x.

The Post

The topic came from what Achiv flagged as recurring across my target subs. I then used Claude Code to consolidate 480 subreddit strategies — each built from the top 100 posts of the last month plus top 100 of the last year, ~96k posts total — into the 5 patterns that hold everywhere. The post was that synthesis. Every strategy Achiv generated is free in the Chrome extension.

The Publication

Two subs:

• r/SaaS — gut pick. Founder-to-founder, growth, distribution. Felt obvious.

• r/DigitalMarketing — Achiv's pick. Larger audience, strict no-promo rule, but the topic matched their recent top-post pattern.

Same body in both. For r/SaaS I tweaked the Achiv-generated title and added a cover image — extra polish to give the gut pick its best shot. Both posts opened with a comment linking to Achiv, so both were contribution + disclosed self-promo.

In other words: I handicapped the experiment in favor of the sub I expected to win.

The Results

r/SaaS (post link to verify)

• ~1k views

• 1 upvote / 1 downvote

• 0 shares, 0 comments

• Buried fast

r/DigitalMarketing (post link to verify)

• 4k+ views and growing

• 13 upvotes

• 22 shares

• Active thread

The sub with the strict anti-promo rule outperformed the founder sub by 4x — on a post about how to promote on Reddit. The signal "I identify with this audience" turned out to be worse than the signal "this audience's top posts match this topic." Achiv reads the second signal. I defaulted to the first.

How to Copy This (Free)

1. Go to achiv.com

2. Create a project with your product URL

3. Wait for the initial analysis

4. Install the Chrome extension (desktop Chrome) or open "Where to Post" and "What to Post"

5. Read what your target audience is actually discussing

6. Write a post that would still be worth reading with the link removed

7. Submit to the sub Achiv ranks highest — not the one that feels obvious

Step 7 is the whole experiment. The rest is setup.

Achiv

It's not a yet another spammy tool, but a Reddit Intelligence system + Writing Copilot that's verifying rules, suggests topics and subreddit matching your product perfectly and everything is clearly verifiable and data-driven. No LLM guesses.