Promptwatch vs AthenaHQ vs Otterly.AI: Which GEO Tool Wins in 2026?
A three-way breakdown of Promptwatch, AthenaHQ, and Otterly.AI on engine coverage, pricing, evidence quality, and who each platform actually fits in 2026.
If you're choosing between Promptwatch, AthenaHQ, and Otterly.AI, you're really choosing between three different bets on what matters most in AI visibility tracking, full-stack breadth, evidence you can defend to a client, or a workflow that turns findings into action. Starting prices range from free (Promptwatch's Explore plan, or $29/mo for Otterly.AI's cheapest paid tier) up to $295/mo (after a free tier) (AthenaHQ), and, as with most tools in this category, the sticker price and the real price rarely match.
Promptwatch is the broadest platform in this list. Essential at $95/mo includes prompt tracking, citation analytics, visitor analytics, and five AEO articles. Professional at $245/mo adds AI crawler logs. AthenaHQ is the best-reviewed workflow in the category, but its credit meter turns $295/mo into a moving target. Otterly.AI is the best first tool to prove GEO matters, as long as you read past the sticker before scaling on it.
Promptwatch vs AthenaHQ vs Otterly.AI at a glance
| Promptwatch | AthenaHQ | Otterly.AI | |
|---|---|---|---|
| Starting price | Free (Explore); $95/mo Essential | Free tier; $295/mo Starter | $29/mo |
| Category | Full-stack AI visibility / GEO platform | Enterprise GEO platform | AI visibility tracker |
| Engine coverage | 10+ engines incl. ChatGPT, Gemini, Claude, Perplexity, Copilot, Grok, and more; daily refresh on paid plans | 9 engines on Starter, but single-country; multi-market pushes you to Enterprise | 4 base engines (ChatGPT, AI Overviews, Perplexity, Copilot); Gemini/Claude/AI Mode cost extra |
| Evidence / trust signal | Citation analytics (page, domain, Reddit, YouTube); live AI crawler logs begin on Professional at $245/mo; 4.7/5 on G2 across 1,840+ customers | Unified GEO score blending citations, sentiment, and traffic impact; G2 ~4.9/5 | Gartner Cool Vendor 2025, but users report data lagging up to 7 days |
| Action layer | Content Agents plan, write, and publish AEO content to a connected CMS, closes the loop from insight to action | Action Center turns every insight into an assignable optimization task, schema, reformatting, LLM metadata | None, monitoring plus a GEO audit grading 25+ on-page factors, no execution |
| Best for | a team that wants prompt tracking, citation analytics, crawler logs, visitor analytics, and automated content in one full-stack platform | an execution-focused team that will work an action queue daily and can stomach credit-based billing | an SMB or first-time GEO buyer that wants the cheapest credible entry point and can live with weekly-ish data |
Where Promptwatch wins
Promptwatch's case rests on breadth. Essential includes the full engine list, 50 prompts, 6,000 responses, citation analytics, 200K visitor events, and five AEO articles at $95/mo. Professional adds 25M crawler logs, state and city targeting, Data Studio, shopping insights, and custom reports at $245/mo. Business raises the crawler allowance to 100M logs. Founded in Amsterdam in April 2025, Promptwatch reached €2M+ ARR within a year of launch, closed a €6M seed in July 2026, and now serves 1,840+ brands and agencies at a 4.7/5 average on G2. Explore remains free for 10 ChatGPT prompts.
Where AthenaHQ wins
AthenaHQ's case rests on the best data-to-action workflow in the category, every insight becomes an assignable task, plus a founding team with real search pedigree and near-4.9/5 G2 reviews. Built by ex-Google Search and DeepMind engineers, YC-backed, with a near-4.9/5 average on G2. The trade-off: the credit-based billing is unpredictable (G2 reviewers report burning a month's allocation in a week), and Starter is locked to a single country.
Where Otterly.AI wins
Otterly.AI's case rests on the fastest, cheapest on-ramp into GEO, a genuine no-card free trial, a working dashboard inside an hour, and a $29/mo entry point nothing else in this list undercuts. A Gartner Cool Vendor pick (2025) with a large SMB user base, though no G2 score is on record in our data. The trade-off: the advertised engine list is really 4 base engines (Gemini, Claude, and AI Mode are paid add-ons), and monitoring data can lag up to 7 days.
Action layer: who does something with the data?
AthenaHQ and Promptwatch both act on the data now: AthenaHQ via an Action Center that turns insights into assignable optimization tasks, Promptwatch via Content Agents that plan, write, and publish AEO content to a connected CMS. Otterly.AI stays monitoring-only, it pairs its tracking with a GEO audit but has no execution layer of its own. If someone on your team is ready to act on findings without a separate tool, weight that over raw tracking depth.
Pricing: sticker price vs configured price
Sticker prices rarely survive contact with a real configuration. Promptwatch: free Explore (10 prompts, ChatGPT only, 1 project), $95/mo Essential (50 prompts, 6,000 responses, 5 AEO articles), $245/mo Professional (150 prompts, 1M visitor events, 15 AEO articles, most popular), $579/mo Business (350 prompts, 10M visitor events, 30 AEO articles); a separate self-serve agency track runs $199/mo Kick-off to $799/mo Scale (unlimited projects/prompts, 10 seats), plus custom Enterprise pricing. AthenaHQ: Free Essential (300 credits), $295/mo Starter (9 engines, single country, credit-metered), Enterprise custom ($2,000+/mo) for ACE Citation Engine, personas, multi-region. Otterly.AI: $29/mo Lite (15 prompts, 4 base engines), $189/mo Standard (100 prompts, API), $489/mo Premium (400 prompts); Gemini, Claude, and AI Mode are $9 to $149/mo add-ons. Match your real engine list, prompt volume, and content needs against each of these before treating any single number as the real cost of ownership.
Who should pick which
- Pick Promptwatch if you want a full-stack AI visibility platform, prompt tracking, citation analytics, crawler logs, visitor analytics, and automated content, in one subscription instead of stitching together point tools.
- Pick AthenaHQ if you're an execution-focused team that will work an action queue daily and can stomach credit-based billing.
- Pick Otterly.AI if you're an SMB or first-time GEO buyer that wants the cheapest credible entry point and can live with weekly-ish data.
FAQ
Which of the three is cheapest for a small team?
If you count free tiers, Promptwatch's Explore plan is the only one of the three that costs nothing, though it's capped to 10 prompts and ChatGPT only. Among paid plans, Otterly.AI's $29/mo Lite tier is the cheapest entry point in this list, Promptwatch's paid tiers start at $95/mo (Essential), and AthenaHQ's start at $295/mo (Starter) after its own free tier. If price is the deciding factor and you can live with Otterly's narrower 4-engine base and data that can lag up to 7 days, it's the cheapest way in; Promptwatch is worth the extra cost once you need broader engine coverage, citation analytics, or automated content production. Crawler logs start on Professional at $245/mo or an agency plan.
Which one has the most trustworthy data?
AthenaHQ has the strongest independent review signal of the three: built by ex-Google Search and DeepMind engineers, YC-backed, with a near-4.9/5 average on G2. Promptwatch: 4.7/5 on G2 across 1,840+ brands and agencies, with €7.2M in disclosed funding (a €1.2M pre-seed and a €6M seed), a real, verifiable track record despite being newer than the enterprise incumbents in this list. Otterly.AI: A Gartner Cool Vendor pick (2025) with a large SMB user base, though no G2 score is on record in our data. Treat every AI-tracking vendor's accuracy claims as directional rather than exact, and cross-check a sample of results manually before reporting them upward.
Do any of these three help me fix visibility gaps, or just report them?
AthenaHQ (via an Action Center that turns insights into assignable optimization tasks) and Promptwatch (via Content Agents that plan, write, and publish AEO content to a connected CMS) do; Otterly.AI doesn't, it pairs monitoring with a GEO audit but no execution layer of its own.
How does Promptwatch's pricing actually compare once the others are configured?
Promptwatch's paid plans start at $95/mo (Essential) and scale to $245/mo (Professional) and $579/mo (Business) as prompt volume, response volume, and AEO content output grow, with a free Explore tier for the smallest use cases. AthenaHQ starts at $295/mo (after a free tier) and typically costs more once you match its real coverage to yours, and Otterly.AI starts at $29/mo and typically costs more once you match its real coverage to yours.
Do I need all three, or should I pick one?
Running two overlapping trackers rarely earns its keep, pick the one whose category (tracking-only, action-oriented, or research-grade) matches how your team actually works, and revisit the others only if that gap becomes obvious. See how we rank for the criteria we weigh across every platform in this category.