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Upthread vs Replymer

Replymer monitors Reddit and X, drafts replies that recommend your product, and tracks how six AI engines answer your buyers. On Reddit you post its drafts yourself, as with Upthread; Upthread stays on Reddit, checks drafts against the subreddit's rules and tracks each reply.

Last checked Nov 7, 2026. Every fact about Replymer is numbered to its source at the bottom of the page.

Why people look beyond Replymer.

Replymer monitors Reddit and X for people asking for what you sell and writes a reply that recommends your product. On Reddit you post it from your own account in one click; on X it publishes automatically. An MCP server lets your own AI agent work the queue and post Reddit replies from your browser. 1

Every plan also tracks AI visibility: what ChatGPT, Perplexity, Gemini and Google's AI say about your category each week, your citation share against competitors, and a drafted reply for each cited discussion you are missing from. Plans cost $99, $199 and $399 a month for 30, 100 and 300 replies. 1

Upthread overlaps on the core idea, cited threads plus drafts, and differs in the details. It stays on Reddit, ranks threads by Google rank and AI citations per engine, checks each draft against the subreddit's rules with a lint and an AI judge, and tracks every reply's score and removals after you post.

Who should choose which.

Who should choose Replymer

  • You want replies on X too, published automatically there. Upthread covers Reddit only. 1
  • You want your own AI agent to work the queue and post Reddit replies for you over MCP. 1
  • You want visits and conversions from AI answers attributed next to your citation share. 1

Replymer in brief

Monitors Reddit and X, drafts replies that recommend your product, and tracks how six AI engines answer buyers.

  • Says it helps you "Get your product recommended on Reddit and X". 1
  • Starter costs $99 for 30 replies, Growth $199 for 100 and Scale $399 for 300 a month, month to month. 1
  • You post each Reddit reply from your own account in one click, and X publishes automatically. 1
  • Its FAQ says: "Nothing is ever posted without you." 1
  • Its MCP server lets your AI agent post Reddit replies from your own browser and account. It says its tools never touch your social accounts directly. 1
  • Every plan tracks six AI engines, ChatGPT, AI Overviews, AI Mode, Perplexity, Gemini and Claude, and reports your citation share. 1
  • Writes a reply for every cited discussion you are missing from. 1
  • Its SEO Replies service, in which its team posts replies in Reddit threads that rank on Google, is not taking new customers. 2

Pricing, plan by plan.

Replymer

Starter$99 a month
30 replies a month, 15 tracked keywords, Reddit and X monitoring, AI-drafted replies, X auto-posting and Reddit native posting. 1
Growth$199 a month
100 replies a month, 50 tracked keywords, Reddit and X monitoring, AI-drafted replies, X auto-posting and Reddit native posting. 1
Scale$399 a month
300 replies a month, unlimited keywords, Reddit and X monitoring, AI-drafted replies, X auto-posting and Reddit native posting. 1
  • Plans are month to month, and you can cancel at any time. 1
  • AI visibility tracking is included in every plan. 1
  • The MCP endpoint and API key come with every paid plan. 1

Replymer and Upthread, point by point.

Each row sets a sourced fact about Replymer next to what Upthread does, grouped by what you would check first.

What it watches

PlatformsThey do more
ReplymerReddit and X. 1
UpthreadReddit only.
AI answersBoth do this
ReplymerSix engines, week over week, with citation share and traffic from AI answers. 1
UpthreadGoogle AI Overviews and AI Mode twice a week, from live Google results. ChatGPT, Perplexity, Gemini and Claude weekly through their APIs, labelled API.
How it reads RedditDifferent approach
ReplymerNo Reddit data source stated. 1
UpthreadBuilt on your own logged-in browser, so Reddit's move to logged-in-only viewing doesn't break it. Discovery comes from Google results and AI citations, with no Reddit API.

Replying

DraftingUpthread does more
ReplymerA reply for every relevant thread and every cited discussion you are missing from. 1
UpthreadTwo drafts per thread, grounded in the thread, its top comments, the subreddit's rules and your facts. A lint and an AI judge check each one first.
PostingDifferent approach
ReplymerOne click from your own Reddit account. X publishes automatically. 1
UpthreadYou post from your own account. The extension can insert the draft; you click Comment.
DisclosureUpthread does more
ReplymerNo disclosure step described. 1
UpthreadWhen a draft mentions your brand, it says how you're connected, and the posting checklist covers Reddit's Brand Affiliate tag.

After you post

After postingDifferent approach
ReplymerEach published reply tracked with a link, plus visits and conversions from AI answers. 1
UpthreadScore over time, moderator removals, and the thread's citation history before and after your reply. Links carry UTM tags for your own analytics.

Price and plans

PriceDifferent approach
Replymer$99 / $199 / $399 a month, for 30 to 300 replies. 1
Upthread$49 / $149 / $499 a month, or 2 months free yearly. A 7-day trial with Starter limits. No card required.

Switching from Replymer.

Add your website address, and Upthread drafts a brand profile with suggested competitors, keywords, buyer questions and focus subreddits for you to edit. Set your role, tone and disclosure line, choose engines and a country, and the first runs produce a ranked Reddit inbox, typically in under three minutes. Install the extension last if you want the one-click insert.

What you bring across

  • Your tracked keywords. They become Upthread keywords, and the buying questions you watched in AI answers become buyer questions.
  • Your competitor list, with aliases, so share of voice in AI answers and rival mentions in threads carry on.
  • Your one-click posting habit. The Upthread extension can put a draft into Reddit's comment box, and you click Comment, from the same account.

What works differently

  • Replymer drafts a reply that recommends your product. Upthread drafts two per thread, grounded in the thread's top comments and the subreddit's rules, checks each with a lint and an AI judge, and adds your disclosure when the brand is named. 1
  • Replymer tracks each published reply with a link. Upthread tracks the reply itself: its score over time, any moderator removal, and whether the thread keeps its AI citations. 1
  • Replymer's SEO Replies service, where its team posts in Google-ranking threads, is closed to new customers. Upthread never posts in any form; it ranks threads by Google rank and AI citations, and you reply. 2
  • Replymer covers Reddit and X. Upthread covers Reddit only, which is why it can rank threads by how each subreddit treats brands and ground every draft in that subreddit's rules. 1

How Reddit access is changing

Reddit is closing its public API and moving toward logged-in viewing. This matters for any tool that reads Reddit, so each comparison states only what the tool itself says about its data source.

  1. On Oct 29, 2026, Reddit said it will shift to a primarily logged-in experience, starting with tests in select markets outside the US. 3
  2. 9to5Mac reported that Reddit will start requiring a logged-in account for most of its content. 4
  3. Reddit's CEO said most unauthorized access to its content happens through the logged-out experience. 5

Replymer and Upthread: questions.

Does Replymer post on Reddit for me?

No. Its FAQ says each Reddit reply is posted by you, in one click from your own account, and an AI agent you connect over MCP can also post as you from your browser. Upthread has no posting agent: you click Comment. 1

Which AI engines does each one track?

Replymer shows six on every plan: ChatGPT, AI Overviews, AI Mode, Perplexity, Gemini and Claude, tracked week over week. Upthread covers the same six (Starter picks 3), checking Google's two AI answers twice a week from live results and the other four weekly through their APIs. 1

Which one costs less?

Upthread Starter is $49 a month for 150 drafts; Replymer Starter is $99 a month for 30 replies. Replymer also covers X, which Upthread doesn't. 1

Is Replymer's SEO Replies service still available?

Not to new customers: its page says SEO Replies, where its team posts replies in Reddit threads that rank on Google, is not taking new customers. Upthread never posts for you; it finds those Google-ranking threads and drafts a reply you post. 2

Can I use Replymer and Upthread together?

You can, though on Reddit they overlap. A sensible split is to keep X on its own tool and run Reddit through Upthread, where each draft is rule-checked and each reply is tracked after you post.

Sources

We read each page on the date shown. Replymer's own pages are named, not linked. Spotted something out of date? Email [email protected] and we will fix it.

  1. [1]Replymer homepage and pricing, checked Nov 7, 2026.
  2. [2]Replymer SEO Replies page, checked Nov 7, 2026.
  3. [3]Engadget, checked Oct 29, 2026.
  4. [4]9to5Mac, checked Oct 29, 2026.
  5. [5]CyberInsider, checked Oct 30, 2026.

Run your first discovery, then judge for yourself.

Enter your website. Upthread drafts your brand profile, suggests buyer questions and subreddits, and runs your first discovery.

No card required. 7 days with Starter limits.