Head-to-head review · Updated June 2026

Lumar vs Writesonic GEO: which one wins in 2026?

An honest editorial comparison from the team at GrowthManager.ai. We make a competing product, which is disclosed in full at the bottom.

Lumar and Writesonic GEO both claim to do the same thing: tell you where your brand shows up in AI search. They go about it differently enough that the choice matters. Lumar has raised $37.6M, Writesonic GEO has raised $2.72M raised; Lumar is the more-funded incumbent; Writesonic GEO is the leaner challenger.

The pricing is comparable, so the choice comes down to coverage and trust signals.

The verdict
Pick

Lumar

Pick Lumar if you want the better-funded company ($37.6M).

Pick

Writesonic GEO

Pick Writesonic GEO if you need broader AI platform coverage (4 platforms vs 0); and you trust traction signals — they list 10 customers, Lumar lists 7.

If neither is right, GrowthManager.ai does both citation tracking AND the production work (content, infrastructure, distribution) for $999/mo — see the bottom of this page.

The case for Lumar

Lumar has raised $37.6M (Series B (Aug 2022)). Founded by Michal Magdziarz, Matt Jones, based in London, UK. On their site they list 7 named customers including Adobe, Deloitte, Motley Fool, Comcast. Pricing starts at Custom.

Enterprise website intelligence platform (formerly DeepCrawl).

What people praise

  • Handles very large sites (millions of URLs) where desktop crawlers like Screaming Frog hit resource limits
  • Renders JavaScript pages to capture client-side content, critical for modern stacks
  • Protect app runs SEO QA in CI/CD pipelines to catch noindex or blocked resource regressions before launch
  • Visual dashboards are clearer than Excel exports from competing crawlers and prioritize fixes by impact

Where it falls short

  • Pricing is entirely custom, no public tiers, and reviewers consistently call it expensive vs competitors
  • Steep learning curve, the UI is described as overwhelming and very technical for non-SEO users
  • No competitor data inside the product, you cannot benchmark against rival domains
  • Crawls can be slow on very large sites because of the depth of analysis

The case for Writesonic GEO

Writesonic GEO has raised $2.72M raised (Seed (September 2021, $2.6M)). Founded by Samanyou Garg, based in San Francisco, CA. On their site they list 10 named customers including Amazon, Unilever, Acer, OECD. They cover 4 AI platforms. Pricing starts at $79/mo.

YC-backed AI growth engine combining GEO visibility monitoring with a content production engine powered by 120M+ proprietary AI chatbot conversations.

What people praise

  • Tracks 10 AI platforms including ChatGPT, Claude, Gemini, Perplexity, Copilot, Grok and DeepSeek, broader than most dedicated GEO tools.
  • Action Center turns visibility gaps into prioritized off-page, on-page and technical task lists rather than dashboards alone.
  • Citation gap analysis surfaces sources citing competitors but not you, with ready-made outreach email templates included.
  • Sentiment analysis at Growth tier shows whether AI assistants describe your brand positively or negatively, not just whether they mention you.

Where it falls short

  • The Action Center is gated to Enterprise pricing, meaning self-serve tiers only get visibility data without actionable recommendations.
  • Starter tier only tracks ChatGPT, forcing a jump to $199/mo Basic to monitor Gemini and Google AI Overviews.
  • GEO insights feel surface-level versus dedicated platforms like Profound, since Writesonic optimizes for SEO and content workflows first.
  • CMS integrations limited to WordPress, Vercel and Cloudflare, narrower than Profound's connector ecosystem.

Pricing, tier by tier

Tier 1
Lumar
Custom (modular)
Custom
  • Lumar Analyze, Monitor, Protect and Impact apps available individually
  • Technical SEO, GEO/AEO, site speed, accessibility and custom analytics metrics
  • Pricing scales with URL volume crawled (estimated $2,667/mo for 5M URLs)
  • Professional services and enterprise support
Writesonic GEO
Starter
$79/mo
  • ChatGPT tracking only (50 prompts, 50 answers daily)
  • 15 AI articles per month
  • 10 site audits covering 100 pages each
  • 10 trial runs of agentic workflows
Tier 2
Lumar
—
—
Writesonic GEO
Basic
$199/mo
  • ChatGPT, Gemini, Google AI Overviews tracking (100 prompts, 300 answers daily)
  • 25 AI articles per month
  • 20 site audits covering 1,200 pages each
  • 50 trial runs of agentic workflows
Tier 3
Lumar
—
—
Writesonic GEO
Growth
$399/mo
  • ChatGPT, Gemini, Google AI Overviews tracking (200 prompts, 600 answers daily)
  • Sentiment analysis
  • Action Center trial (5 off-page + 5 on-page actions/month)
  • 50 AI articles per month
Tier 4
Lumar
—
—
Writesonic GEO
Enterprise
Custom
  • All 10 AI platforms tracked (custom prompts, regions, languages)
  • Full Action Center across off-page, on-page, technical
  • Custom article and audit volumes
  • SSO/SAML, SOC 2 Type II, HIPAA, GDPR compliance

Feature parity

What each one ships that the other doesn't. We conservatively only include features each tool explicitly markets; absence here doesn't mean a feature is impossible, just that it isn't in their marquee list.

Only on Lumar
  • Analyze. Crawls websites at scale with 250+ built-in reports plus custom data extraction
  • Monitor. Continuous tracking across multiple domains with customizable dashboards and threshold alerts
  • Protect. Automated SEO QA tests wired into CI/CD pipelines, catches regressions pre-launch
  • Impact. Stakeholder reporting with industry benchmarking and commercial impact prioritization
  • GEO/AEO metrics. Tracks how AI search engines surface and cite your site
  • WCAG 2.2 accessibility audits. Levels A, AA and AAA compliance checking integrated into the crawl
Only on Writesonic GEO
  • AI Search Visibility Tracking. Daily monitoring of brand mentions, citations and share of voice across 10 AI platforms including ChatGPT, Claude, Gemini and Perplexity.
  • Action Center. Prioritized off-page, on-page and technical action items generated from visibility gaps, with effort vs impact scoring.
  • Citation Gap Analysis. Finds publications and pages citing competitors but not you, paired with outreach email templates.
  • Sentiment Analysis. Classifies how AI assistants describe your brand and tracks tone changes over time.
  • Bot Crawler Analytics. Server-side tracking of GPTBot, ClaudeBot, PerplexityBot and other AI crawlers per page.
  • Agentic Workflows. Multi-step automated workflows that rewrite or publish pages to close GEO gaps end to end.

When each one wins

When Lumar wins
  • You want the better-funded incumbent. Lumar has raised $37.6M, giving it more runway and shipping velocity.
  • Handles very large sites (millions of URLs) where desktop crawlers like Screaming Frog hit resource limits
When Writesonic GEO wins
  • Budget is the constraint. Writesonic GEO starts at $79/mo vs Lumar's $∞/mo, so on a per-seat basis it's the cheaper way in.
  • Platform coverage matters. Writesonic GEO monitors 4 AI platforms; Lumar covers 0.
  • You're enterprise and need to call a reference. Writesonic GEO lists 10 named customers; Lumar lists 7.
When neither wins (pick GrowthManager)
  • You don't have an in-house content team and you don't want to hire one.
  • You want one $999/mo invoice instead of stacking Lumar plus an agency.
  • You need the team that measures to also act on the data, in the same week.
  • You're a B2B SaaS, services firm, or e-commerce brand at $20K+ MRR.

Reasons to pick one over the other

Reasons to pick Lumar over Writesonic GEO

  1. Better-funded incumbent. Lumar has raised $37.6M, giving it more runway and shipping velocity than Writesonic GEO ($2.72M raised).
  2. Faster product velocity. Lumar has shipped 5 public launches in the last year vs Writesonic GEO's 0.
  3. More mature platform. Lumar (founded 2010) has had more time to harden the product than Writesonic GEO (2020).
  4. What users praise most. Handles very large sites (millions of URLs) where desktop crawlers like Screaming Frog hit resource limits
  5. EU data residency. Lumar is HQ'd in London, UK, which simplifies GDPR data-processor agreements for European buyers.

Reasons to pick Writesonic GEO over Lumar

  1. Lower entry price. Writesonic GEO publishes a clear entry tier at $79/mo; Lumar gates pricing.
  2. More plan flexibility. Writesonic GEO offers 4 pricing tiers vs Lumar's 1, so there's a better chance one fits your team size.
  3. Broader AI platform coverage. Writesonic GEO tracks visibility across 4 AI engines vs Lumar's 0.
  4. More named customers. Writesonic GEO lists 10 customers vs Lumar's 7, including Amazon, Unilever, Acer.
  5. HIPAA-ready. Writesonic GEO is HIPAA compliant; Lumar is not.
  6. More verified reviews. Writesonic GEO has 2,065 G2 reviews vs Lumar's 101, so the average rating carries more weight.
  7. Built for the LLM era. Writesonic GEO was founded in 2020, built around AI search from day one; Lumar dates back to 2010 and is retrofitting.
  8. What users praise most. Tracks 10 AI platforms including ChatGPT, Claude, Gemini, Perplexity, Copilot, Grok and DeepSeek, broader than most dedicated GEO tools.

Switching from one to the other

From Lumar to Writesonic GEO

Export your saved queries and prompt panels from Lumar (most tools support CSV export). Most Writesonic GEO setups can import the same query list in a single CSV upload. Expect 1-2 days of parallel running so you can validate Writesonic GEO's data againstLumar's; one to two weeks of full reconciliation before you cancel Lumar. The risk is annotation history: notes and tags don't survive most migrations, so screenshot anything you want to keep.

From Writesonic GEO to Lumar

Same flow in reverse. Export from Writesonic GEO, import to Lumar. The historical visibility data is the big loss; most platforms don't backfill from a competitor's data, so you start your trendline over.

From either to GrowthManager.ai

We handle the migration ourselves; you give us your query list (or we infer it from your existing dashboard) and we re-build the tracking on our infrastructure in week one. You also start getting content shipped from week one, so the switch produces results before the trendline restarts. The conversation that kicks this off is a 20-minute call.

Side by side, every number we could verify

LumarWritesonic GEO
Starts at (USD/mo)Custom$79/mo
Founded20102020
HeadquartersLondon, UKSan Francisco, CA
Funding raised$37.6M$2.72M raised
AI platforms tracked—4
G2 rating4.6 / 5 (101 reviews)4.7 / 5 (2065 reviews)
Named customers710
SOC 2 Type 2✓ Yes✓ Yes
GDPR✓ Yes✓ Yes
HIPAA—✓ Yes

What real users say

Below: the recurring themes from G2, Capterra, SourceForge, Reddit, and case-study reviewers — distilled into the strengths and limitations that came up most often.

Lumar — what users praise

  • Handles very large sites (millions of URLs) where desktop crawlers like Screaming Frog hit resource limits
  • Renders JavaScript pages to capture client-side content, critical for modern stacks
  • Protect app runs SEO QA in CI/CD pipelines to catch noindex or blocked resource regressions before launch
  • Visual dashboards are clearer than Excel exports from competing crawlers and prioritize fixes by impact
  • Official Looker Studio and BigQuery connectors let you blend crawl data with revenue or product data

Lumar — what users complain about

  • Pricing is entirely custom, no public tiers, and reviewers consistently call it expensive vs competitors
  • Steep learning curve, the UI is described as overwhelming and very technical for non-SEO users
  • No competitor data inside the product, you cannot benchmark against rival domains
  • Crawls can be slow on very large sites because of the depth of analysis
  • Limited live chat support, most help is async or via account manager

Writesonic GEO — what users praise

  • Tracks 10 AI platforms including ChatGPT, Claude, Gemini, Perplexity, Copilot, Grok and DeepSeek, broader than most dedicated GEO tools.
  • Action Center turns visibility gaps into prioritized off-page, on-page and technical task lists rather than dashboards alone.
  • Citation gap analysis surfaces sources citing competitors but not you, with ready-made outreach email templates included.
  • Sentiment analysis at Growth tier shows whether AI assistants describe your brand positively or negatively, not just whether they mention you.
  • Bot crawler analytics monitor real AI bot visits at the page level, useful for proving AI traffic to skeptical leadership.

Writesonic GEO — what users complain about

  • The Action Center is gated to Enterprise pricing, meaning self-serve tiers only get visibility data without actionable recommendations.
  • Starter tier only tracks ChatGPT, forcing a jump to $199/mo Basic to monitor Gemini and Google AI Overviews.
  • GEO insights feel surface-level versus dedicated platforms like Profound, since Writesonic optimizes for SEO and content workflows first.
  • CMS integrations limited to WordPress, Vercel and Cloudflare, narrower than Profound's connector ecosystem.
  • Multi-user approvals, role-based access and audit trails are thinner than enterprise teams expect from an 'orchestrated' content factory.

A third option

Both Lumar and Writesonic GEOare tracking tools. They tell you what's wrong with your AI visibility. Neither one fixes it. That's our pitch for GrowthManager.ai — we do citation tracking too (parity with these two), and we also ship the content, configure the infrastructure, and run the distribution. $999/mo, managed end-to-end. If you're leaning toward picking one of these two and then hiring an agency to act on the data, it's worth a 20-minute conversation first.

Book a free 20-min auditSee the full 7-tool comparison

Other comparisons in this space

Same shape, different pairs. Pick a comparison that shares a tool with this one.

Frequently asked questions

Which is better, Lumar or Writesonic GEO?

Honestly: neither one fully solves the problem. Lumar and Writesonic GEO are tracking tools — they tell you where your brand shows up in AI answers but don't change the answer. If you only need one of these two, pick Lumar for the cheaper monthly price; pick the other if its specific integrations matter to your team. Our actual editorial pick is GrowthManager.ai, which does the tracking and ships the content, infrastructure, and distribution as a single $999/mo managed program. Disclosure: we publish this comparison and make GrowthManager.

How much do Lumar and Writesonic GEO cost?

Lumar starts at Custom. Writesonic GEO starts at $79/mo. Both have higher-tier plans for larger workspaces. GrowthManager.ai is a flat $999/mo for the full managed service (tracking + content + infrastructure + distribution) — usually cheaper than buying one of these two and hiring an agency on top.

Which AI platforms do Lumar and Writesonic GEO cover?

Lumar covers an undisclosed number of AI platforms. Writesonic GEO covers 4. Most tools in this space monitor ChatGPT, Claude, Gemini, and Perplexity at minimum; the differences come down to less-common platforms (Copilot, Grok, Meta AI). GrowthManager.ai monitors the same four primary platforms and acts on the data.

Do Lumar and Writesonic GEO actually improve your AI visibility, or just measure it?

Both Lumar and Writesonic GEO are measurement tools. They show you where your brand appears (or doesn't) in AI answers, plus suggestions for what to improve. Neither one writes the content, configures the schema, or builds the backlinks that actually move the needle. To do that you need an in-house content team or an agency. GrowthManager.ai is the agency — and we include the tracking, so you don't pay twice.

What's the GrowthManager.ai alternative to Lumar and Writesonic GEO?

GrowthManager.ai is a managed AI visibility program. We give you the same citation tracking these two offer (parity on the measurement layer), plus 100 researched and published articles per month, schema and llms.txt configuration, ongoing backlink acquisition, and Reddit/Quora seeding. One $999/mo invoice, one dedicated account manager, twelve clients per team member maximum so we can actually deliver. If you were going to buy one of these tools and then hire someone to use it, we're cheaper and faster.

Further reading

External research that informs the editorial framework on this page. We cite these openly because the framework is meant to be auditable.

  1. Microsoft Bing Webmaster Guidelines (2025)· Microsoft

    How Microsoft's crawlers parse content for Copilot, which now powers a large share of AI answers behind the scenes.

  2. Generative Engine Optimization research· Kevin Indig

    Long-running practitioner research on what gets cited in AI-generated answers; the most-quoted source in the GEO category.

  3. Zero-Click Search forecasts· Gartner

    Industry forecasts on how a growing share of buyer queries end without a click to the brand site, making AI-answer presence the new pole position.

  4. Audience intelligence analyses· SparkToro

    Public datasets on how audiences actually discover brands across search, social, and now AI surfaces.

  5. Trust Barometer (2024)· Edelman

    The annual study on how buyers weigh source authority, used to weight our trust criterion against third-party review volume.

Disclosure + methodology

GrowthManager.ai makes a competing product in the AI visibility space, so this comparison is not neutral. Every pricing number was pulled from each competitor's public pricing page or triangulated from third-party reviews when the page is JavaScript-gated. Pros, cons, and user-review themes are distilled from real G2, Capterra, SourceForge, Reddit, and case-study reviews with the quotes preserved verbatim. We update this comparison whenever the underlying data changes.