serp.ac vs Otterly.AI
Otterly.AI is a dedicated AI-search monitoring tool. Here's how it compares with serp.ac on engines, frequency, price and what else you get.
The short answer
Otterly.AI is a focused, affordable AI-search monitor with daily checks, unlimited team members and Microsoft Copilot coverage. If AI answers are all you track, it's a strong choice.
serp.ac covers the AI visibility essentials on ChatGPT, Perplexity, Google AI Mode, Gemini and Claude — Claude, Gemini and AI Mode are paid add-ons on Otterly — and adds what Otterly doesn't do: daily Google rank tracking, purchased-link management and a Google indexer.
Features: serp.ac vs Otterly.AI
“Not listed” means their pricing or product page doesn't mention it — it may still exist.
| Feature | serp.ac | Otterly.AI |
|---|---|---|
| AI visibility | ||
| AI engines for prompt tracking | ChatGPT, Perplexity, Google AI Mode, Gemini and Claude — any 3–5 by plan | ChatGPT, AI Overviews, Perplexity, Copilot; AI Mode, Gemini and Claude are paid add-ons |
| How often AI answers are re-checked | Weekly (every 2 weeks on Starter) | Daily |
| Citations / sources in AI answers | ||
| Share of voice vs. competitors | ||
| “Why am I not visible?” diagnosis | GEO audit | |
| Google AI Overview citations | With every daily rank check | |
| Google rankings & SEO | ||
| Daily Google rank tracking | 100–1,000 keywords, top 100, any location | |
| Keyword research database | Volume & difficulty lookups only | |
| Site audit | Crawlability check | |
| Links & indexing | ||
| Purchased-link management (price, payments, renewals, vendors) | ||
| Deindex alerts for purchased links | ||
| Built-in Google indexer | 100–2,000 URLs / month | |
| Team & access | ||
| API | Standard plan and up | |
| Team seats | 1–25 by plan | Unlimited |
| Free trial | 7 days (card required) | Yes (length not listed) |
Price at comparable usage
Each row is the usage of one serp.ac plan, priced on Otterly.AI with the cheapest plan and add-ons that cover it. Red lines are what that Otterly.AI plan can't do for this usage.
- No Google rank tracking
- No Google rank tracking
- No Google rank tracking
Prices as listed on — check their site for current pricing: Otterly.AI pricing.
- Otterly.AI: engine add-on prices depend on the plan (AI Mode and Gemini $9–149, Claude $29–439 per month). Otterly also covers Microsoft Copilot and Google AI Overviews, which this calculator doesn't ask about.
- serp.ac engines are picked in this order when a plan has fewer than 5: ChatGPT, Perplexity, Google AI Mode, Gemini, Claude. You can choose any of them in the app.
When to choose Otterly.AI
- You only need AI-search monitoring and no Google rank tracking.
- You want answers checked every day — Otterly checks daily on every plan; serp.ac re-checks weekly (every 2 weeks on starter).
- You need Microsoft Copilot tracking, which serp.ac doesn't offer.
- You track a handful of prompts: the Lite plan ($29 for 15 daily prompts) is a low-cost entry point, and every plan has unlimited team members.
Why teams switch to serp.ac
- Claude, Gemini and Google AI Mode are part of the plan, not add-ons — on Otterly, Claude alone costs $29–439 per month depending on the plan.
- Daily Google rank tracking (100–1,000 keywords by plan, top 100, any location) in the same dashboard, with AI Overview citations recorded on every check.
- A “why am I not visible?” diagnosis per prompt that points to the pages and sources AI engines prefer.
- Purchased-link management: log the price, payment date and vendor of every link you buy, get renewal reminders, and alerts when a link is lost, turns nofollow or its page is deindexed.
- A built-in Google indexer (100–2,000 URLs a month by plan) and bulk index checks, next to the links and pages you track.
- Alerts where your team already is: Telegram, Slack, Discord and email — plus a public API and a Chrome extension.
serp.ac vs Otterly.AI: FAQ
Does Otterly.AI track Google rankings?
No. Otterly.AI tracks AI engines (including Google AI Overviews and AI Mode), not classic Google rankings. serp.ac does both.
Which engines cost extra on Otterly.AI?
Otterly's pricing page lists ChatGPT, Google AI Overviews, Perplexity and Microsoft Copilot as included. Google AI Mode, Gemini and Claude are add-ons priced per plan.
Is Otterly.AI cheaper than serp.ac?
For a few prompts on its included engines, Otterly's Lite plan ($29) costs less than serp.ac Starter ($39). Once you add Claude, Gemini or Google rank tracking, compare with the calculator — the result depends on your prompts and engines.
Can I move my prompts from Otterly.AI to serp.ac?
Yes — paste your prompt list when you set up AI visibility in a serp.ac project. serp.ac can also suggest prompts from your site.
More comparisons
Rank tracking, AI visibility on 5 engines, purchased-link management and indexing in one dashboard.
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