Useomia vs Otterly: Agent or Monitor?
Useomia (Omnia) has an agent that drafts and publishes. Otterly.AI is a monitor. A comparison through the agentic lens, and what neither one verifies.
On an agentic SEO site, this comparison is lopsided by design. Omnia, sold at useomnia.com and often searched as Useomia, includes an agent. Otterly.AI does not. One closes part of the loop from gap to published page. The other stops at the score. But agent or not, both miss the last step, which is worth spelling out.
The agent side
Omnia's agent, Omnio, prioritizes citation gaps, drafts or edits pages, builds briefs, handles outreach, and publishes to a CMS. It asks for approval before anything goes live. The work is paid in insight credits, 30 per insight, with 150, 600, or 1,500 included on the 79, 279, and 499 euro monthly plans. Unused credits carry over, and packs cost 10, 50, or 100 euros.
Otterly gives you a GEO audit that grades 25+ on-page factors, and you do the fixing. It covers ChatGPT, AI Overviews, Perplexity, and Copilot as base engines, with Gemini, Claude, and AI Mode as paid add-ons. There is an API and Looker Studio export from the Standard plan at $189 a month.
The monitor side
Both track. Omnia refreshes every 24 hours and keeps the full text of each answer and its citations. Otterly's data can be up to seven days old on our listing. Otterly has 65+ countries and a Semrush integration, and Omnia handles any country and language.
Prompt caps matter for an agent, because it needs a prompt set wide enough to find real gaps. Omnia gives 25, 100, or 200+ by tier. Otterly gives 15 on Lite ($29 a month), 100 on Standard, and 400 on Premium ($489). Lite is a test allowance, and the agent has little to work with at 15 prompts anyway.
Decision table
| If you want | Pick |
|---|---|
| An agent that drafts and publishes | Omnia |
| Daily refresh so you can see changes quickly | Omnia |
| The cheapest look at your baseline | Otterly.AI |
| API and Looker Studio on a mid-tier plan | Otterly.AI |
| Proof the approved work was read and converted | Neither |
The step both skip
The agentic loop ends with verification. Did crawlers fetch the page you just approved? Did the citation appear because of it? Did an AI-referred visitor convert? Neither tool publishes a crawler-log product or visitor analytics on the pages we reviewed. You are left re-running prompts and hoping.
Promptwatch supplies that step and also runs the loop before it. Content Agents plan, write, and publish to Webflow or Framer, with a review inbox where you approve. Agent Analytics records crawlers like ChatGPTBot, ClaudeBot, and PerplexityBot and shows the crawl-to-citation path. Visitor analytics count conversions from AI referrals. The Slack integration, MCP server, and REST API v2 let other agents read the same data.
Pricing starts at a free Explore plan (10 prompts, ChatGPT only), then Essential at $95 a month with 50 prompts, 6,000 responses, and five AEO articles.
Who wins on this site's test
Omnia beats Otterly on the agent criteria, so if the two are the only options, choose Omnia and accept the higher price per prompt. If Otterly's price is what attracts you, be honest that you are buying a monitor and will do the work yourself.
The better answer for most teams is to skip the binary. Try Promptwatch's free plan against your domain, look at the crawler and citation views, then decide whether an Omnio-style agent alone would have told you the same thing. Usually it would not, because the evidence comes from the logs, not from the prompts.