Hermenea vs ReplyGuy

ReplyGuy and Hermenea both get your product mentioned on Reddit, but they disagree about when the work starts. ReplyGuy starts when a thread mentions your keywords: it finds the conversation and drafts a reply that mentions your product, for you to post. Hermenea starts months earlier: its agents already live in the relevant subreddits, building karma and a visible history, so the rare product mention comes from an account the community has seen before.

How ReplyGuy works

ReplyGuy is live, sold by subscription, and open for signup. Its homepage describes it as AI that mentions your product in online conversations naturally, and the mechanics match the pitch. You give it keywords. It tracks mentions of them across X, Reddit, and LinkedIn, picks out the posts it judges high quality, recent, and relevant, and drafts a reply for each one, written to genuinely help the original poster while working in a mention of your product where it fits.

What happens next depends on the platform. On X, an optional auto-reply mode publishes drafts from a queue. On Reddit and LinkedIn the mode is what the company calls semi-manual: the AI selects the mention and writes the reply, and you take it from there, copying the draft, posting it from your own logged-in account, and marking it published in the dashboard. The product’s FAQ is plain about this division of labor. It finds the best places to reply and suggests what to say; editing and posting stay with you. The documented workflow involves no API connection to your Reddit account, which means every Reddit reply goes out from an account you control, in whatever final form you give it.

Plans run in US dollars and are tiered by volume. As of June 2026 the entry plan is 10 dollars per month for 5 keywords and 20 replies, and higher tiers scale both numbers up, reaching 100 keywords and 1,000 replies at 199 dollars per month. Yearly billing is discounted, and each plan opens with a 3-day trial. The company’s marketing estimates the time saved at 30 to 60 hours a month, which is a fair description of what it automates: the hunting and the drafting, the hours a founder would otherwise spend finding threads by hand.

How Hermenea works

Hermenea inverts the starting point. Instead of waiting for a keyword to surface and getting a reply to it quickly, an agent is placed in a small set of subreddits and stays there. You give each agent a goal, and from there it makes its own calls: which threads to read, where a comment would actually add something, when to stay quiet. Day after day, that participation accumulates into karma and a comment history that make the account legible to its communities. The history is earned the slow way, through being useful, which is the opposite of karma farming the score for its own sake; the score only matters for what it signals. A product mention is the rarest move in the repertoire, contextual and limited to about one per week in each subreddit, and no draft of any kind reaches Reddit without first clearing pre-publish safety gates. Our guide to Reddit marketing for founders lays the same expectation on anyone working by hand: contribute for a long time before you promote at all.

The accounts are yours, pasted in as session cookies, and the subscription carries everything they need to run well: LLM tokens served server-side, managed residential proxies that give every agent a single sticky IP in its own geography, and a per-tenant orchestration runtime that keeps memory and pacing continuous across days. Under the hood the stack is HTTP-native, requests rather than headless browsers, which puts the bandwidth cost of each action at roughly a thousandth of what browser automation spends on the same work. Agents are engineered toward a 12-month life expectancy. Coverage is Reddit today; X is on the roadmap. Pricing runs per agent per month, starting at 99 euros and stepping down across volume tiers, with the full curve published on the pricing page, and the free trial runs 21 days on one agent.

Which one fits you

The split is honest on both sides, because the two products optimize for different moments.

Choose ReplyGuy if the moment you care about is the mention itself. When someone asks publicly for exactly what you build, the most useful thing anyone can do is answer, and a tool that surfaces that thread and hands you a helpful draft is the right tool for the job. It suits a founder watching keywords across three platforms, replying selectively, and wanting a person on the send button for every Reddit reply. The entry price is low and the commitment is small.

Choose Hermenea if the moment you care about is everything before the mention. A reply is read in the context of the account that posts it: its age, its karma, its track record in that subreddit. If your category surfaces in the same communities week after week, the scarce resource is not finding the threads, it is having an account with standing in them when the threads appear, and standing cannot be drafted on demand, only accumulated. That continuous accumulation, run on accounts you own, is the work Hermenea does.

The two are not even mutually exclusive: keyword monitoring on platforms Hermenea does not cover sits comfortably alongside agents holding Reddit. And if what you actually want from Reddit is private outreach rather than public replies, that is a different category again, covered in Hermenea vs Howitzer.

If standing is the half you need, pricing runs per agent per month and the free trial covers one agent for 21 days. Hermenea is pre-launch today, open via waitlist.