Nightwatch vs Writesonic

In short

• Both: Marketing copy, SEO analysis, Reports, Connects your tools, API
• Only Nightwatch states: Keyword research
• Only Writesonic states: Brand voice

Nightwatch

Nightwatch tracks search rankings, AI visibility, citations, competitors, and SEO performance for websites and agencies.

Plans

Starter

• €79 /mo
• €948 billed yearly
• €99/mo

• 500 Keywords
• 50 AI prompts
• 5 Websites
• 5 Competitors per site
• 1,500 AI answers / mo
• 100 Keyword researches / mo

Professional

• €159 /mo
• €1,908 billed yearly
• €199/mo

• 2,500 Keywords
• 150 AI prompts
• 25 Websites
• 10 Competitors per site
• 4,500 AI answers / mo
• 500 Keyword researches / mo

Agency

• €399 /mo
• €4,788 billed yearly
• €499/mo

• 7,500 Keywords
• 500 AI prompts
• 100 Websites
• 15 Competitors per site
• 15,000 AI answers / mo
• 2,500 Keyword researches / mo

Enterprise

Price on request

• Custom volume & support
• 20,000 Keywords
• ∞ AI prompts
• Unlimited Websites
• SSO & advanced security
• Dedicated infrastructure

Prices checked 2026-09-24 on the maker’s page.

Capabilities

• Marketing copy — “Research, draft and score SEO content against page one.” source
• SEO analysis — “Catches the technical faults that quietly cost you positions, ordered by what to fix first rather than by severity label.” source
• Keyword research — “Volume, difficulty and who already owns the result — in the same place you'll track it, so nothing is re-keyed.” source
• Reports — “Both halves land in the same white-label report or Looker Studio dashboard, on the schedule you set.” source
• Connects your tools — “Connects to what you already run” source
• API — “Yes. Nightwatch has a robust, developer-friendly API that lets you extract ranking data, audit reports, AI insights, and more for integration with your own dashboards or reporting tools.” source

Latest updates

• 2026-02-06 Matrix Source Intelligence (Beta) 🦉

  Continuously analyzes citation sources to identify who is mentioning your brand and how they’re talking about it.

• 2025-10-20 Major Update – New Nightwatch Interface + Advanced AI & LLM Tracking

  Combines AI Agent and LLM search data to reveal how language models reference your brand; adds quicker navigation and dashboards.

• 2025-08-05 SEO Agent Upgrade — Now More Powerful Than Ever

  Adds technical audits, multimarket keyword research, keyword clustering, internal linking suggestions, and content briefs.

Writesonic

Writesonic tracks brand visibility across AI search platforms and helps marketing teams improve citations, content, and recommendations.

Plans

Starter

• $79 per month, billed annually
• $99 per month

• Track ChatGPT, Gemini, Google AI Overviews
• 50 prompts, 50 answers tracked daily
• 15 AI articles per month
• 10 site audits (100 pages each)
• Limited access (10 trial runs)
• 1 user, 1 project

Basic

• $199 per month, billed annually
• $249/mo

• Track ChatGPT, Gemini, Google AI Overviews
• 100 prompts, 300 answers tracked daily
• 25 AI articles per month
• 20 site audits (1,200 pages each)
• Limited access (50 trial runs)
• 2 users, 1 project

Growth

• $399 per month, billed annually
• $499/mo

• Track ChatGPT, Gemini, Google AI Overviews
• 200 prompts, 600 answers tracked daily
• Sentiment Analysis included
• 50 AI articles per month
• 50 site audits (2,500 pages each)
• 3 users, 2 projects

Enterprise

Price on request

• All 10 AI platforms tracked
• Custom prompts, regions, languages
• Full Action Center
• Custom AI articles per month
• Custom site audits (pages, frequency)
• Dedicated AI search strategist

Prices checked 2026-09-25 on the maker’s page.

Capabilities

• Marketing copy — “AI Article Writer” source
• SEO analysis — “10 site audits (100 pages each)” source
• Reports — “You see what worked, what didn’t, what to do again.” source
• Brand voice — “Writing Styles (Brand Voice)” source
• Connects your tools — “Connect your existing tools” source
• API — “API Docs” source

Security

• Not: HIPAA — “Customers should be aware that Writesonic is not PCI or HIPAA compliant and should refrain from providing cardholder information and protected health information.” source
• Not: Data kept in the EU — “Writesonic's corporate offices do not host any data closets or servers; all data is stored in the US-East-1 region.” source

Latest updates

• 2026-09-24 Introducing Citation Decay in Writesonic: track which pages rise and fade in AI search

  Citation Decay shows how your content performs after it earns AI citations, so you can spot fading pages, compare platforms and topics, and decide what to revisit.

• 2026-09-11 Introducing Prompt targets: track the questions your buyers actually ask

  Prompt targets help you generate non-branded prompts that reflect your buyers, funnel stages, and markets, so AI visibility becomes more actionable.

• 2026-06-04 Introducing Project hub in Writesonic for multi-brand teams

  Project Hub gives you a view of every brand-monitoring project in your workspace. AI Visibility, Citation Share, and trends in one place.