# Research & Analysis — CitedIndex > Source: https://citedindex.com/blog/ (curated, sourced) Data-driven reports on generative engine optimization and the tools that measure whether ChatGPT, Perplexity, Gemini and Google AI Overviews see (and cite) your brand. 30 reports. Each links to its answer-first markdown twin. - [Best AI visibility tools for brand sentiment](https://citedindex.com/blog/best-ai-visibility-tools-for-brand-sentiment.md) (2026-10-23) — Rankshift, RadarKit, Amplitude, CisionOne and Archytas AISpy report the sentiment AI answers attach to a brand; the others do it partly or not at all. - [What AI citation services cost and where prices jump](https://citedindex.com/blog/what-ai-citation-services-cost-and-where-prices-jump.md) (2026-10-21) — GetCito alone has a free plan; the rest are managed agencies that start at a monthly retainer or a sales call, far above self-serve monitors. - [Engines, audits and suites: how AI visibility tools differ](https://citedindex.com/blog/engines-audits-and-suites-how-ai-visibility-tools-differ.md) (2026-10-19) — AI visibility tools differ on the engines they check, whether they track answers over time or audit a page once, and the suite they fit into. - [Done-for-you GEO: which tools do the work](https://citedindex.com/blog/done-for-you-geo-which-tools-do-the-work.md) (2026-10-18) — Five agencies here do the work for you; Amplitude, RadarKit, Bloomiro and Rankshift are software you run, and auto-geo only partly. - [AI visibility monitoring tools for enterprise teams](https://citedindex.com/blog/ai-visibility-monitoring-tools-for-enterprise-teams.md) (2026-10-17) — Conductor, BrightEdge and Meltwater GenAI Lens fit enterprise teams; check engine coverage, data access, security and contract terms before you buy. - [Kollavo: pricing, use cases and alternatives](https://citedindex.com/blog/kollavo-pricing-use-cases-alternatives.md) (2026-10-17) — Kollavo combines AI visibility tracking with managed publisher outreach and citation placements, for B2B SaaS and DTC teams acting on citation gaps. - [AI visibility tools that handle technical AEO](https://citedindex.com/blog/ai-visibility-tools-that-handle-technical-aeo.md) (2026-10-16) — Bloomiro, GEO Tool, Semrush, ApexGEO and CiteMentor check schema, llms.txt or crawler rules; Amplitude, RadarKit and AISpy cover only part of it. - [Monroya: pricing, use cases and alternatives](https://citedindex.com/blog/monroya-ai-pricing-use-cases-alternatives.md) (2026-10-14) — Monroya checks what six AI assistants say about your business and hands you weekly moves with ready drafts. Pricing, use cases and alternatives. - [Which AI visibility tools cover Google AI Mode?](https://citedindex.com/blog/which-ai-visibility-tools-cover-google-ai-mode.md) (2026-10-14) — Five of the ten tools here track Google AI Mode directly. Of the 133 tools in our index that say, 57 track it on every plan (25 October 2026). - [Your AI Visibility Score Is a Probability](https://citedindex.com/blog/ai-visibility-score-is-a-probability.md) (2026-10-13) — Two studies show AI answers rarely repeat the same brands or sources, and what that means for reading AI visibility reports and choosing a tool. - [Can you start GEO tools without sales?](https://citedindex.com/blog/can-you-start-geo-tools-without-sales.md) (2026-10-12) — Most listed tools let buyers start online; agencies and some audit products require a conversation, while GEO Tool offers only a self-serve free check. - [AI visibility tools for marketing teams](https://citedindex.com/blog/ai-visibility-tools-for-marketing-teams.md) (2026-10-11) — Compare AI visibility tools by engine coverage, refresh cadence, reporting, workflow fit and price, and learn what to check before choosing. - [Which AI visibility tools generate content?](https://citedindex.com/blog/which-ai-visibility-tools-generate-content.md) (2026-10-10) — Learn which AI visibility tools draft articles or other materials, which offer only limited generation, and what that distinction means for buyers. - [AI visibility tools for agencies: what to check](https://citedindex.com/blog/ai-visibility-tools-for-agencies-what-to-check.md) (2026-10-09) — Compare AI visibility tools for agencies by engine coverage, client limits, reporting, optimization features, pricing, and trial terms. - [AI visibility and GEO: the 22 August 2026 six-engine shortlist](https://citedindex.com/blog/leading-ai-visibility-and-geo-software-2026.md) (2026-08-16) — The dated 79-tool edition recorded 15 in both categories with six engine tags. Historical taxonomy recovered; trials and prices are not current offers. - [Who published a price? The 13 August 2026 CitedIndex study](https://citedindex.com/blog/price-transparency-ai-visibility-tools-2026.md) (2026-08-13) — Historical pricing records: 59 of 68 readable software records include a currency price; 6 of 11 readable service records use quote pricing. Dated 13 August 2026. - [Which AI-visibility tools show their work? A methodology census](https://citedindex.com/blog/methodology-transparency-ai-visibility-tools-2026.md) (2026-08-07) — A dated 74-tool transparency review: six had inspectable supporting material, not independently validated accuracy. Corrected evidence scope and sampling units. - [Free-access census: corrections to the August 2026 findings](https://citedindex.com/blog/free-tier-vs-free-trial-ai-visibility-tools-2026.md) (2026-08-05) — The August 2026 free-access census is corrected, not remeasured: recurring allowances, signup grants and plan-specific trials must be distinguished. - [Prompt volume, seats or credits: how AI-visibility tools price](https://citedindex.com/blog/how-ai-visibility-tools-actually-price-2026.md) (2026-08-05) — Compare configured prompts, answer runs, bundled limits, credits and self-hosting costs using dated vendor examples, not monthly sticker prices alone. - [How to choose an AI visibility tool: 7 things to check](https://citedindex.com/blog/how-to-choose-an-ai-visibility-tool-2026.md) (2026-07-31) — Seven checks for choosing an AI-visibility tool, with explicitly dated August 2026 census findings and practical questions about engines, evidence, access and cost. - [SOC 2 Type II and SSO in AI-visibility tools: included or gated?](https://citedindex.com/blog/enterprise-security-ai-visibility-tools-2026.md) (2026-07-25) — Corrections to the archived security census: SOC 2 report scope, plan-specific SSO and account support are different findings; unsupported totals are withdrawn. - [Which AI-visibility tools can your own AI agent actually query?](https://citedindex.com/blog/mcp-server-support-ai-visibility-tools-2026.md) (2026-07-24) — A corrected MCP access report: historical totals withdrawn, vendor research preserved, and API, server, tier and read-only distinctions explained. - [First Page Sage vs iPullRank vs Omniscient Digital](https://citedindex.com/blog/first-page-sage-vs-ipullrank-vs-omniscient-digital.md) (2026-07-23) — First Page Sage, iPullRank and Omniscient Digital compared by published scope, pricing evidence and questions to ask before hiring a GEO agency. - [GEO agency or software? How to choose in 2026](https://citedindex.com/blog/geo-agency-or-software-2026.md) (2026-07-21) — Choose monitoring software, software-assisted execution or a GEO agency by ownership, deliverables, total commitment and evidence, not promised results. - [AI search statistics 2026: the data behind the shift](https://citedindex.com/blog/geo-ai-search-statistics-2026.md) (2026-07-21) — Dated AI-search studies and enterprise survey findings, with corrected source attribution, study windows, denominators and limits on causal claims. - [Who's backing your GEO stack? The 2025-2026 money wave](https://citedindex.com/blog/geo-tools-capital-and-consolidation-wave-2025-2026.md) (2026-07-21) — Ten dated GEO financing and acquisition events through July 2026, separating disclosed terms and company plans from unsupported pricing and survival predictions. - [Vendor record discrepancies: what the July archive can prove](https://citedindex.com/blog/vendor-claims-that-changed-since-we-last-checked.md) (2026-07-21) — A correction to our July record: ten reported price and feature discrepancies, the missing before-and-after evidence, and checks buyers can repeat. - [Peec vs Profound vs Scrunch vs Otterly: how to choose](https://citedindex.com/blog/choosing-an-ai-visibility-platform-2026.md) (2026-07-20) — Peec, Profound, Scrunch and Otterly compared by engine coverage, prompt capacity, integrations and billing commitments, with dated public-source examples. - [How AI answer engines cite sources: what the studies show](https://citedindex.com/blog/how-ai-answer-engines-cite-sources.md) (2026-07-16) — What Profound, Otterly and Ahrefs citation studies actually measure, where their samples and denominators differ, and what they do not prove about AI source selection. - [The 20 August 2026 GEO tool landscape: historical tags, pricing and limits](https://citedindex.com/blog/state-of-geo-ai-visibility-tools-2026.md) (2026-07-12) — A preserved 79-tool directory edition with recovered historical engine tags, corrected trial range, and explicit pricing, API and evidence limits.