PromptSignal vs OtterlyAI
In short. OtterlyAI and PromptSignal cover the same seven AI engines, and both capture answers from the interfaces buyers use, with Claude measured through its API. OtterlyAI runs every prompt once a day and adds extras such as ChatGPT ads tracking and AI crawler analytics. PromptSignal adds white-label on your own domain, private cloud or on-premise deployment delivered with our engineers, and SOC 2.
Side by side
| Topic | PromptSignal | OtterlyAI |
|---|---|---|
| AI engines tracked | ChatGPT, Google AI Overviews, Google AI Mode, Gemini, Perplexity, Microsoft Copilot and Claude | ChatGPT, Google AI Overviews, Perplexity and Microsoft Copilot on every plan; Google AI Mode, Gemini and Claude as paid add-ons |
| How answers are captured | Answers captured from the same interfaces your buyers use; Claude through its API with web search | Each engine's public web interface, queried as a neutral, non-personalized user; Claude through its API (Haiku with web search) |
| Countries and languages | 72 countries and 32 languages | More than 70 countries; prompts can be written and monitored in any language, with no plan limit on countries or languages |
| How often prompts run | Every 48 hours by default | Once a day for every tracked prompt on every plan; the cadence cannot be changed |
| Metrics | Visibility, mentions, average rank, first mention, share of voice, sentiment from 0 to 100 and gap to the leader | Brand mentions, brand coverage, share of voice, sentiment, average position, a Brand Visibility Index and domain rankings |
| Citations and sources | The domains and pages engines cite, and citation gaps: pages that name your competitors but not you | Every domain and URL cited in AI answers, with link position changes over time |
| Competitor benchmarking | Share of voice, exclusivity, gap to the leader and co-mention threat for every competitor | Brand Reports benchmark you against competitors on mentions, brand coverage, share of voice and domain citations |
| From insight to fix | A technical audit of your site, with every fix as a ticket on a board, and content briefs for the prompts you are missing, turned into articles in the editor | GEO audits of any URL, crawlability and content checks, prioritized recommendations and content briefs |
| Self-serve start | A 7-day free trial and self-serve setup, then from $99 per month with 50 prompts per brand (a card is required) | Self-serve monthly or annual plans with a free trial; Enterprise through sales |
| Agencies and white-label | Every brand and client in one account, each organization with its own billing; white-label with your logo, your colors and your own domain, set up with our team | A workspace per client, pitch workspaces and an Agency Partner program; no native white-label, so branded client reports go through Looker Studio |
| Deployment | Our cloud, or private cloud or on-premise deployment, delivered with our engineers | Hosted on AWS in Frankfurt, with public monitoring data stored in North Virginia; private cloud and on-premise options are not published |
| Custom work | Custom engines, markets, prompt sets and integrations, built by our engineers | Enterprise adds customizable prompt tracking, custom terms, a quarterly GEO health check and a dedicated customer success manager |
| Compliance | SOC 2 and GDPR | GDPR and CCPA compliant; its help center lists a SOC 2 audit on the roadmap with no date set |
| Measurement method | Published: visibility is the share of runs that name you, every answer kept in full | Documented in its help center: public web interfaces, Claude through its API, and runs every day from a neutral, non-personalized session |
Choose OtterlyAI if
- You want self-serve plans with a low-cost entry tier and a free trial.
- You want every prompt checked once a day, on every plan.
- You want extras such as ChatGPT ads and shopping tracking, AI crawler analytics and a query fan-out tool.
- You report in Looker Studio, or want API and MCP access, both included from the Standard plan.
- You want no plan limit on team members, countries or languages.
Choose PromptSignal if
- You need white-label with your logo, your colors and your own domain, set up with our team.
- You need private cloud or on-premise deployment, delivered with our engineers.
- Your security review asks for SOC 2 as well as GDPR.
- You want competitor metrics beyond share of voice: exclusivity, gap to the leader and co-mention threat.
- You need custom engines, markets, prompt sets or integrations, built by our engineers.
OtterlyAI (also written Otterly.AI) lists three self-serve plans with a free trial, plus an Enterprise plan through sales. It covers the same seven engines PromptSignal tracks, three of them as paid add-ons. Like PromptSignal, it captures answers from each engine's public web interface and measures Claude through its API with web search, so answers are collected the same way. The differences are in cadence, packaging, agency setup, deployment and compliance.
Where OtterlyAI is strong
OtterlyAI runs every tracked prompt once a day on every plan, where PromptSignal's default is every 48 hours. Its plans set no limit on team members, countries or languages, and the entry tier is aimed at solo marketers and small teams.
It also ships tools beyond core tracking: tracking of ads and shopping cards in ChatGPT and of ads in Google AI Overviews, analytics on AI crawler visits, a query fan-out tool and prompt research. For reporting, every plan includes reports and exports, and the Standard and Premium plans add API and MCP access and a Looker Studio connector.
Where PromptSignal differs
Agencies. OtterlyAI's help center says it does not offer native white-label: its interface, branding and URLs cannot be changed, and it recommends Looker Studio for branded client reports. PromptSignal offers white-label with your logo, your colors and your own domain, set up with our team, and keeps every brand and client in one account, each organization with its own billing.
Deployment and security. OtterlyAI runs on AWS in Frankfurt and does not publish a private cloud or on-premise option. It states GDPR and CCPA compliance and lists a SOC 2 audit on its roadmap. PromptSignal is SOC 2 and GDPR compliant, offers private cloud or on-premise deployment delivered with our engineers, and builds custom engines, markets, prompt sets and integrations.
Measurement and follow-through. Both tools report share of voice and sentiment. PromptSignal adds first mention and gap to the leader, plus exclusivity and co-mention threat for every competitor, and keeps every answer in full with its citations, position and run history. Each gap becomes either a technical fix, filed as a ticket on a board, or a content brief that turns into an article in the editor. Our methodology is published.
How to choose
OtterlyAI suits a solo marketer or a small team that wants a daily read across the main engines at a low entry price, with extras such as ads tracking. PromptSignal suits agencies that need white-label on their own domain, and brands whose security review asks for SOC 2 or whose data has to stay in their own cloud.
If you are still deciding, run the same ten prompts in both during the free trials, then compare the answers each tool stores with what you see when you ask the engines yourself.
Questions
Does OtterlyAI track the same AI engines as PromptSignal?
Yes. Both cover ChatGPT, Google AI Overviews, Google AI Mode, Gemini, Perplexity, Microsoft Copilot and Claude. OtterlyAI includes ChatGPT, Google AI Overviews, Perplexity and Microsoft Copilot on every plan and sells Google AI Mode, Gemini and Claude as add-ons. Both measure Claude through its API with web search.
How often do OtterlyAI and PromptSignal run prompts?
OtterlyAI runs every tracked prompt once a day on every plan, and its help center says the cadence cannot be changed. PromptSignal runs prompts every 48 hours by default and reports visibility as the share of runs that name you, with 7, 14, 30 and 90 day views.
Does OtterlyAI offer white-label for agencies?
Not natively. OtterlyAI's help center says its interface, branding and URLs cannot be customized, and recommends its Looker Studio connector for branded client reports. PromptSignal offers white-label with your logo, your colors and your own domain, set up with our team.
Is OtterlyAI SOC 2 compliant?
OtterlyAI states GDPR and CCPA compliance. Its help center says it operates according to SOC 2 principles and lists a SOC 2 audit on its roadmap, with no date set. PromptSignal is SOC 2 and GDPR compliant.
Sources
- 1OtterlyAI home page (opens in a new tab) otterly.ai, accessed Nov 4, 2026
- 2OtterlyAI pricing (opens in a new tab) otterly.ai, accessed Nov 4, 2026
- 3OtterlyAI features (opens in a new tab) otterly.ai, accessed Nov 4, 2026
- 4OtterlyAI for agencies (opens in a new tab) otterly.ai, accessed Nov 4, 2026
- 5OtterlyAI security (opens in a new tab) otterly.ai, accessed Nov 4, 2026
- 6How OtterlyAI collects data (OtterlyAI Help Center) (opens in a new tab) help.otterly.ai, accessed Nov 4, 2026
- 7Which AI searches does OtterlyAI support? (OtterlyAI Help Center) (opens in a new tab) help.otterly.ai, accessed Nov 4, 2026
- 8How many countries does OtterlyAI support? (OtterlyAI Help Center) (opens in a new tab) help.otterly.ai, accessed Nov 4, 2026
- 9Which languages in monitoring does OtterlyAI support? (OtterlyAI Help Center) (opens in a new tab) help.otterly.ai, accessed Nov 4, 2026
- 10How often does OtterlyAI check AI search engines? (OtterlyAI Help Center) (opens in a new tab) help.otterly.ai, accessed Nov 4, 2026
- 11Is there a white-label option? (OtterlyAI Help Center) (opens in a new tab) help.otterly.ai, accessed Nov 4, 2026
- 12OtterlyAI security certifications and SOC 2 (OtterlyAI Help Center) (opens in a new tab) help.otterly.ai, accessed Nov 4, 2026