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Windsor.ai

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What Windsor.ai is

Windsor.ai is a no-code ELT/ETL service for transferring data between sources and destinations. Its connectors cover more than 350 sources and can schedule syncs, match schemas, and load incremental updates. Listed sources include Google Ads, Google Analytics 4, HubSpot, Salesforce, Shopify, TikTok Ads, and Facebook Ads. Destinations include BI tools, spreadsheets, databases, and warehouses such as Power BI, Looker Studio, Google Sheets, Excel, BigQuery, Snowflake, Tableau, PostgreSQL, and MySQL. Windsor MCP links Windsor.ai data to AI tools including ChatGPT, Claude, and Copilot for analysis. The service is available on the web and through an API, with use cases described for analysts, agencies, and data teams. A free plan and a 30-day trial are listed. After the trial, Forever Free is limited to one user, one data source, and one account, and does not include scheduled sync backfills. Paid plans start at $19/mo (annual). Windsor Group AG says it completed a SOC 2 Type II audit, and its security page says customer data is encrypted at rest and in transit. The company says connector memory data is kept for up to 24 hours and disk cache is deleted after at least 20 days without access, with a maximum retention period of about three weeks.

Who it suits

Windsor.ai suits analysts, agencies, and data teams that need to move information from connected sources into reporting tools, spreadsheets, warehouses, or AI chats. Its free tier may fit a small setup with one user, one source, and one account.

What it does well

  • Connectors cover more than 350 sources.
  • Supports scheduled syncs, schema matching, and incremental loading.
  • Windsor MCP connects data with ChatGPT, Claude, and Copilot.
  • Free plan and 30-day trial are listed.
  • All plans include live chat support.

What to know first

  • Forever Free is limited to one user, one source, and one account.
  • Forever Free excludes scheduled sync backfills.
  • API requests are capped at 600 per minute and 10,000 per day.

Limits

After the trial, Forever Free is limited to one user, one data source and one account, and scheduled sync backfills are unavailable. The Basic plan includes three data sources, 75 accounts, five destination tasks and daily scheduled syncs.

Plans

PlanBilled and limitsPrice
Free (30-day trial)1 user · 10 data sources · 15 accounts · 5 destination tasks · 30-day historyFree
Forever Free1 user · 1 data source · 1 accountFree
Free30-day trial · 1 user · 10 data sources during trial, then 1 · 15 accounts during trial, then 1 · 5 destination tasks · daily sync · 30-day historyFree
Standardmonthly · Unlimited users · 7 data sources · 75 accounts · unlimited BI syncs · unlimited destination tasks · daily/hourly sync$118 a month
Basic annualannually, billed per month · Unlimited users · 3 data sources · 75 accounts · unlimited BI syncs · 5 destination tasks · daily sync$19 a month
Basicmonthly · Unlimited users · 3 data sources · 75 accounts · unlimited BI syncs · 5 destination tasks · daily sync$23 a month
Plus annualannually, billed per month · All Standard features · 10 data sources · 200 accounts$249 a month
Plusmonthly · All Standard features · 10 data sources · 200 accounts$299 a month

The first 8 of 12 plans, as windsor.ai lists them, read 29 Sept 2026. The maker's own page has the final word. Every plan

Getting started

  1. Visit the Windsor.ai website.
  2. Choose the free plan, begin the 30-day trial or select a paid plan.
  3. Use the web service or API.
  4. Connect a source and select a destination for your data.

Windsor.ai is a no-code service for moving data from business and advertising platforms into analytics, spreadsheets, databases, warehouses and AI tools. It is best suited to analysts, agencies and data teams building recurring reports or managed pipelines. Its broad connector range is useful, but the free tier’s severe source and account limits make it a poor fit for a multi-platform workflow.

Overview

Windsor.ai connects more than 350 sources—including Google Ads, Google Analytics 4, HubSpot, Salesforce, Shopify, TikTok Ads and Facebook Ads—to destinations such as Power BI, Looker Studio, Google Sheets, Excel, BigQuery, Snowflake, Tableau, PostgreSQL, MySQL, Python and Windsor MCP. Bringing these connections together can simplify reporting across tools, though plan quotas determine how much of that breadth a team can actually use.

Scheduled syncs, schema matching and incremental loading support repeatable data transfers. Windsor MCP also connects Windsor.ai data with ChatGPT, Claude and Copilot for analysis. The company was founded in Zurich in 2017 and is headquartered in Baar, Switzerland.

Key features

Data transfer and scheduling

Incremental loading and scheduled syncs are practical for recurring pipelines because they move data in a managed cadence rather than requiring a fresh manual export each time. Schema matching can help align data with destination structures. The cadence varies by plan: Basic is daily, Standard and Plus allow daily or hourly syncs, and Professional adds 15-minute syncs. That makes the higher tiers more suitable for time-sensitive reporting; daily updates may be enough for routine dashboards.

AI analysis

Windsor MCP extends the connection layer to ChatGPT, Claude and Copilot. This is relevant to teams that want to analyze connected data through those tools, although it does not replace the need to select a plan with enough sources, accounts and destination tasks for the underlying pipeline.

Security and support

Windsor Group AG says it completed a SOC 2 Type II audit and processes personal data in compliance with UK GDPR and EU GDPR. Customer data is encrypted in transit and at rest, with role-based access controls and separate customer data trust zones. Connector memory is retained for up to 24 hours; disk cache is deleted after at least 20 days without access, with a maximum retention period of about three weeks. All plans include live chat, alongside documentation, ticket submission, a community portal and YouTube resources.

Pricing

Windsor.ai has a lasting free plan, a 30-day free trial and paid plans. The pricing note quotes paid access from $19/mo (annual), while the plan prices below are billed monthly; compare the stated term with your billing preference before choosing.

PlanPriceIncluded limits and syncs
Forever Freefree1 user, 1 data source and 1 account
Free (30-day trial)free1 user, 10 data sources, 15 accounts, 5 destination tasks and 30-day history
Basic$23 a month, billed monthlyUnlimited users, 3 data sources, 75 accounts, 5 destination tasks and daily syncs
Standard$118 a month, billed monthlyUnlimited users, 7 data sources, 75 accounts, unlimited destination tasks and daily or hourly syncs
Plus$299 a month, billed monthlyEverything in Standard, with 10 data sources and 200 accounts
Professional$598 a month, billed monthlyEverything in Plus, with 14 data sources, 500 accounts, auto-add accounts and daily, hourly or 15-minute syncs

Forever Free is suitable for a single-user, single-source trial of an ongoing setup, but it does not include scheduled sync backfills after the 30-day trial period. The trial has much more room for evaluation—10 sources and 15 accounts—but expires after 30 days. Basic adds unlimited users and daily scheduling, yet its three-source and five-task caps constrain broader reporting. Standard is the first tier with unlimited destination tasks and hourly syncs; Plus raises source and account capacity, while Professional is for larger pipelines that need more accounts and 15-minute updates.

The pricing FAQ sets API limits at 600 requests per minute and 10,000 per day. Review those ceilings alongside the source and account quotas if your integration relies on the API.

Platforms

Windsor.ai is available on web and through an API. Its connector options span BI, spreadsheet, database, warehouse, Python and AI destinations, but the number of sources, accounts, tasks and syncs depends on the plan.

Who it's for

Analysts can use Windsor.ai to consolidate data for reporting, while agencies can build client dashboards and data teams can manage recurring pipelines. It is a stronger fit when the time saved by connecting multiple sources and destinations outweighs the cost and quota planning. A single user with one source may find Forever Free sufficient; teams with several sources should assess paid-tier capacity before committing.

Pros and cons

  • Pro: More than 350 sources and a wide range of destinations can reduce the need to stitch together separate data connections.
  • Pro: Incremental loading and plan-based scheduling support recurring reporting, with 15-minute syncs available on Professional.
  • Pro: All plans include live chat, and the company describes encryption, role-based access controls and separate customer data trust zones.
  • Con: Forever Free permits only one source and one account, and scheduled sync backfills are unavailable after the trial.
  • Con: Paid plans impose source and account quotas, and hourly or 15-minute syncs require higher-priced tiers.
  • Con: The $19/mo starting price is quoted for annual billing, while the listed paid plan prices are monthly; compare terms carefully.

Alternatives

For a broader comparison, see Email Marketing Analytics Software. Consider Singular if conversion-based pricing and its free allowance of 15,000 paid conversions better match your needs. Triple Whale may suit a team prioritizing unlimited users and 12 months of data storage on its free plan. Choose Mailmunch if forms, popups, landing pages and a welcome email are the priority, with basic analytics included on its free plan. SegmentFlow.ai is an option for email sending, with a free plan capped at 2,500 emails per month and a $19 monthly Starter tier for 10,000 emails. Advanza may fit someone seeking an AI-created campaign, newsletters, one social account and basic reporting on a free plan. Amazon Marketing Cloud is a free option for eligible advertisers. AnyTrack may suit a small setup needing session and conversion-source limits on a permanent free plan. Bluey Email is another freemium option with a free allowance of 500 emails and 500 contacts per month.

Verdict

Choose Windsor.ai if you need to move data across several business sources into reporting, storage or AI destinations with scheduled, incremental transfers. Its connector breadth and higher-tier cadence options are the main reasons to consider it; its narrow free tier and escalating source, account and sync limits are the reasons to look elsewhere if your pipeline is small or your budget depends on a roomy free plan.

Verdict

Windsor.ai connects a large range of data sources to analytics, storage, spreadsheet, and AI destinations, with scheduled and incremental transfer options. The lasting free tier is tightly limited, so review source, account, and sync needs before choosing a plan.

Questions

Is Windsor.ai free?

Yes. Forever Free is available free of charge. It includes one user, one data source and one account.

Is there a free trial?

Yes. The Free plan is a 30-day trial and includes one user, 10 data sources, 15 accounts, five destination tasks and 30-day history.

How much do paid plans cost?

The listed starting price is $19/mo (annual). The Basic plan is $23 a month when billed monthly; higher monthly plans are also listed.

What platforms does Windsor.ai support?

Windsor.ai is available on the web and through an API.

Which sources and destinations can it connect?

Listed sources include Google Ads, Google Analytics 4, HubSpot, Salesforce, Shopify, TikTok Ads and Facebook Ads. Destinations include Power BI, Looker Studio, Google Sheets, Excel, BigQuery, Snowflake, Tableau, PostgreSQL, MySQL, Python and Windsor MCP.

Who makes Windsor.ai?

Windsor.ai says its founder, Niklas Kolster, founded the company in Zurich in 2017. Windsor Group AG says it completed a SOC 2 Type II audit.

Facts from Windsor.ai's own pages

AI analysis
Windsor MCP connects Windsor.ai data to AI tools including ChatGPT, Claude, and Copilot for analysis. · windsor.ai, 29 Sept 2026
API
The Connectors API accepts an API key through the api_key query parameter and exposes connector data over HTTPS. · windsor.ai, 15 Oct 2026
API limit
API requests are limited to 600 per minute and 10,000 per day, according to the pricing FAQ. · windsor.ai, 29 Sept 2026
API limits
The pricing FAQ states limits of 600 API requests per minute and 10,000 requests per day, with HTTP 429 after exceeding them. · windsor.ai, 15 Oct 2026
Automation
Its connectors support scheduled syncs, schema matching, and incremental loading. · windsor.ai, 29 Sept 2026
Capterra complaint
A Capterra reviewer reported no trial or refund, an unsuccessful Salesforce/Google Ads use case and unresolved support requests. · capterra.com, 15 Oct 2026
Changelog update
The October 2, 2026 release added a Connectif connector, Gemini Enterprise destination support, connector filtering in previews and asynchronous reports. · windsor.ai, 15 Oct 2026
Company
Windsor.ai says its founder Niklas Kolster founded the company in Zurich in 2017. · windsor.ai, 29 Sept 2026
Company size
LinkedIn lists Windsor.ai as a privately held software-development company with 11–50 employees. · linkedin.com, 15 Oct 2026
Compliance
The security page states EU and UK GDPR compliance and SOC 2 Type II certified processes. · windsor.ai, 15 Oct 2026
Connector catalog
The service advertises more than 350 source connectors and 20 destinations, producing over 6,500 possible integrations. · windsor.ai, 15 Oct 2026
Cross-channel blending
Its documentation describes blended queries that combine connected sources for cross-channel reporting. · windsor.ai, 15 Oct 2026
Data normalization
Windsor.ai maps and standardizes fields across platforms so metrics such as spend, conversions, clicks and impressions can be compared. · windsor.ai, 15 Oct 2026
Data protection
The security page says customer data is encrypted at rest and in transit, with role-based access controls and separate customer data trust zones. · windsor.ai, 29 Sept 2026
Data retention
The company says connector memory data is kept for up to 24 hours and disk cache is deleted after at least 20 days without access, for a maximum retention period of about three weeks. · windsor.ai, 29 Sept 2026
Destinations
Documented destinations include BigQuery, Snowflake, Redshift, Azure SQL, Power BI, Looker Studio, Tableau, Google Sheets, Excel, Python, MySQL and PostgreSQL. · windsor.ai, 15 Oct 2026
Documentation depth
The documentation includes destination guides, connector setup guides, data fields, troubleshooting, pricing and API reference material. · windsor.ai, 15 Oct 2026
Encryption and isolation
Windsor.ai states that customer environments are isolated, data is encrypted in transit and at rest, and separate encryption keys are used. · windsor.ai, 15 Oct 2026
Founded
LinkedIn lists Windsor.ai as founded in 2017. · linkedin.com, 15 Oct 2026
Free tier limit
After the 30-day trial, Forever Free includes one user, one data source, and one account; scheduled sync backfills are unavailable. · windsor.ai, 29 Sept 2026
Google Workspace app
The Google Workspace Marketplace listing is free of charge with paid features and requests permissions to manage Sheets and run external services. · workspace.google.com, 15 Oct 2026
Headquarters
LinkedIn lists headquarters in Zürich, Switzerland. · linkedin.com, 15 Oct 2026
Hosted service
The documentation describes Windsor.ai as a managed cloud platform and does not provide a self-hosting deployment path. · windsor.ai, 15 Oct 2026
Integrations
The connector directory lists sources including Google Ads, Google Analytics 4, HubSpot, Salesforce, Shopify, TikTok Ads, and Facebook Ads. · windsor.ai, 29 Sept 2026

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