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Windsor.ai

windsor.ai

From $19/mo Free plan WebAPI
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Spec score 8.3 #6 of 21 in Ad Analytics

What it is

Windsor.ai transfers data between services through no-code ELT/ETL connectors, with more than 350 sources and destinations such as BI tools, spreadsheets, warehouses, and AI chats. Its connectors support scheduled syncs, schema matching, and incremental loading. 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, and MySQL. Windsor MCP connects Windsor.ai data to ChatGPT, Claude, and Copilot for analysis. The service is available on the web and through an API. A free plan and 30-day trial are listed; paid pricing is noted from $19/mo (annual). After the trial, Forever Free includes one user, one data source, and one account, and excludes scheduled sync backfills. The API limit is 600 requests per minute and 10,000 per day. Windsor.ai says it completed a SOC 2 Type II audit and encrypts customer data at rest and in transit.

Spec sheet

What it does
Windsor.ai is a no-code ELT/data-integration service that connects 350+ sources to BI tools, warehouses, spreadsheets and AI chats.Read 15 Oct 2026 · windsor.ai
Intended users
The company describes use cases for analysts, agencies, and data teams, including automated reporting, client dashboards, and managed data pipelines.Read 29 Sep 2026 · windsor.ai
API
The Connectors API accepts an API key through the api_key query parameter and exposes connector data over HTTPS.Read 15 Oct 2026 · windsor.ai
Integrations
The connector directory lists sources including Google Ads, Google Analytics 4, HubSpot, Salesforce, Shopify, TikTok Ads, and Facebook Ads.Read 29 Sep 2026 · windsor.ai
Security
Windsor Group AG says it completed a SOC 2 Type II audit and processes personal data in compliance with UK GDPR and EU GDPR.Read 29 Sep 2026 · windsor.ai
Compliance
The security page states EU and UK GDPR compliance and SOC 2 Type II certified processes.Read 15 Oct 2026 · windsor.ai
Support
All plans include live chat support; the support options also include documentation, ticket submission, a community portal, and YouTube resources.Read 29 Sep 2026 · windsor.ai
Headquarters
LinkedIn lists headquarters in Zürich, Switzerland.Read 15 Oct 2026 · linkedin.com
Founded
LinkedIn lists Windsor.ai as founded in 2017.Read 15 Oct 2026 · linkedin.com
Company
Windsor.ai says its founder Niklas Kolster founded the company in Zurich in 2017.Read 29 Sep 2026 · windsor.ai
AI analysis
Windsor MCP connects Windsor.ai data to AI tools including ChatGPT, Claude, and Copilot for analysis.Read 29 Sep 2026 · windsor.ai
API limit
API requests are limited to 600 per minute and 10,000 per day, according to the pricing FAQ.Read 29 Sep 2026 · windsor.ai
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.Read 15 Oct 2026 · windsor.ai
Automation
Its connectors support scheduled syncs, schema matching, and incremental loading.Read 29 Sep 2026 · windsor.ai
Capterra complaint
A Capterra reviewer reported no trial or refund, an unsuccessful Salesforce/Google Ads use case and unresolved support requests.Read 15 Oct 2026 · capterra.com
Changelog update
The October 2, 2026 release added a Connectif connector, Gemini Enterprise destination support, connector filtering in previews and asynchronous reports.Read 15 Oct 2026 · windsor.ai
Company size
LinkedIn lists Windsor.ai as a privately held software-development company with 11–50 employees.Read 15 Oct 2026 · linkedin.com
Connector catalog
The service advertises more than 350 source connectors and 20 destinations, producing over 6,500 possible integrations.Read 15 Oct 2026 · windsor.ai
Cross-channel blending
Its documentation describes blended queries that combine connected sources for cross-channel reporting.Read 15 Oct 2026 · windsor.ai
Data normalization
Windsor.ai maps and standardizes fields across platforms so metrics such as spend, conversions, clicks and impressions can be compared.Read 15 Oct 2026 · windsor.ai
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.Read 29 Sep 2026 · windsor.ai
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.Read 29 Sep 2026 · windsor.ai
Destinations
Documented destinations include BigQuery, Snowflake, Redshift, Azure SQL, Power BI, Looker Studio, Tableau, Google Sheets, Excel, Python, MySQL and PostgreSQL.Read 15 Oct 2026 · windsor.ai
Documentation depth
The documentation includes destination guides, connector setup guides, data fields, troubleshooting, pricing and API reference material.Read 15 Oct 2026 · windsor.ai
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.Read 15 Oct 2026 · windsor.ai
Free tier limit
After the 30-day trial, Forever Free includes one user, one data source, and one account; scheduled sync backfills are unavailable.Read 29 Sep 2026 · windsor.ai
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.Read 15 Oct 2026 · workspace.google.com
Hosted service
The documentation describes Windsor.ai as a managed cloud platform and does not provide a self-hosting deployment path.Read 15 Oct 2026 · windsor.ai
Legal entity
The Swiss UID register identifies the legal entity as Windsor Group AG, based in Baar, Zug, Switzerland.Read 15 Oct 2026 · uid.admin.ch
Limit: learning curve and API
G2 reviewers report a learning curve, connector/authentication failures, API endpoint gaps and occasional data-freshness problems.Read 15 Oct 2026 · g2.com
Limit: missing features
G2 reviewers repeatedly mention missing KPI features, a limited knowledge base and lack of authentication-link sharing.Read 15 Oct 2026 · g2.com
Limit: refunds and billing
Trustpilot reviewers describe refused refunds after accidental or automatic charges, while others report unanswered tickets and connection glitches.Read 15 Oct 2026 · trustpilot.com
MCP
Windsor MCP lets Claude, ChatGPT, Copilot and other MCP clients query connected data in natural language.Read 15 Oct 2026 · windsor.ai
Ownership news
A Windsor.ai press release dated August 24, 2026 says team.blue made a strategic investment in the company.Read 15 Oct 2026 · windsor.ai
Praise: ease and integrations
G2’s review synthesis repeatedly praises ease of use, broad integrations, easy data consolidation and responsive support.Read 15 Oct 2026 · g2.com
Rating on Capterra
0.0 out of 5 from 0 reviews.Read 15 Oct 2026 · capterra.com
Rating on G2
4.4 out of 5 from 90 reviews.Read 15 Oct 2026 · g2.com
Rating on Microsoft Marketplace
4.6 out of 5 from 89 ratings for Windsor.ai for Azure SQL.Read 15 Oct 2026 · marketplace.microsoft.com
Rating on Trustpilot
3.5 out of 5 from 79 reviews.Read 15 Oct 2026 · uk.trustpilot.com
Retention
Connector memory data is retained up to 24 hours and disk cache is deleted after at least 20 days without access, making practical maximum retention about three weeks.Read 15 Oct 2026 · windsor.ai
SDK licence
The public pywindsorai GitHub repository is licensed under MIT.Read 15 Oct 2026 · github.com
SDKs
Windsor.ai publishes a Python client named pywindsorai and an R package named windsoraiR.Read 15 Oct 2026 · github.com
Security testing
Windsor.ai says new systems are scanned before production, undergo internal and external penetration testing, and receive static and dynamic application security testing.Read 15 Oct 2026 · windsor.ai
Write actions
The product documents write access for Google Ads, Meta Ads, LinkedIn Ads, TikTok Ads and Microsoft Ads, with confirmation before changes are sent.Read 15 Oct 2026 · windsor.ai

Plans and prices

Forever Free Free 1 user · 1 data source · 1 account Read 29 Sep 2026 · windsor.ai
Free Free 30-day trial · 1 user · 10 data sources during trial, then 1 · 15 accounts during trial, then 1 · 5 destination tasks · daily sync · 30-day history Read 15 Oct 2026 · windsor.ai
Free (30-day trial) Free 1 user · 10 data sources · 15 accounts · 5 destination tasks · 30-day history Read 29 Sep 2026 · windsor.ai
Basic annual $19 a month annually, billed per month Unlimited users · 3 data sources · 75 accounts · unlimited BI syncs · 5 destination tasks · daily sync Read 15 Oct 2026 · windsor.ai
Basic $23 a month monthly Unlimited users · 3 data sources · 75 accounts · unlimited BI syncs · 5 destination tasks · daily sync Read 15 Oct 2026 · windsor.ai
Standard annual $99 a month annually, billed per month Unlimited users · 7 data sources · 75 accounts · unlimited BI syncs · unlimited destination tasks · daily/hourly sync Read 15 Oct 2026 · windsor.ai
Standard $118 a month monthly Unlimited users · 7 data sources · 75 accounts · unlimited BI syncs · unlimited destination tasks · daily/hourly sync Read 15 Oct 2026 · windsor.ai
Basic $228 a year $228.00 per year (= $19.00/month, billed annually) Unlimited users · 3 data sources · 75 accounts · 5 destination tasks · Daily scheduled syncs Read 5 Oct 2026 · windsor.ai
Plus annual $249 a month annually, billed per month All Standard features · 10 data sources · 200 accounts Read 15 Oct 2026 · windsor.ai
Plus $299 a month monthly All Standard features · 10 data sources · 200 accounts Read 15 Oct 2026 · windsor.ai
Professional annual $499 a month annually, billed per month All Plus features · 14 data sources · 500 accounts · auto-add accounts · daily/hourly/15-minute sync Read 15 Oct 2026 · windsor.ai
Professional $598 a month monthly All Plus features · 14 data sources · 500 accounts · auto-add accounts · daily/hourly/15-minute sync Read 15 Oct 2026 · windsor.ai

Every Windsor.ai plan and price →

Strong points and limits

Strong points

  • Connectors cover more than 350 sources
  • Supports scheduled syncs and incremental loading
  • Windsor MCP connects data to named AI tools
  • All plans include live chat support
  • Customer data is encrypted at rest and in transit

Limits

  • Forever Free is limited to one user and source
  • Forever Free excludes scheduled sync backfills
  • API requests are capped per minute and per day
  • Trial plan limits differ from Forever Free

Who it suits

It suits analysts, agencies, and data teams that need to automate reporting, build client dashboards, or manage data pipelines. Teams can connect listed sources to BI, spreadsheet, warehouse, or AI destinations.

Windsor.ai in depth

Read the full write-up

Windsor.ai is a no-code service for moving data from marketing and other sources into reporting, storage and AI tools. It is best suited to analysts, agencies and data teams building recurring pipelines across several platforms. Its connector range and sync options are useful, but source and account limits make plan sizing central to the decision.

Overview

Windsor.ai transfers data from more than 350 sources to BI tools, spreadsheets, warehouses and AI chats. Its source directory includes 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. This breadth can reduce the need to assemble separate connectors, though the number of sources and accounts supported depends on the plan.

Scheduled syncs, schema matching and incremental loading support repeatable data movement. Windsor MCP connects Windsor.ai data with ChatGPT, Claude and Copilot for analysis. Founded in Zurich in 2017, the company is headquartered in Baar, Switzerland.

Key features

Connectors and automation

Scheduled syncs and incremental loading suit teams that need refreshed reports without repeatedly transferring entire datasets; schema matching helps align data as it moves between systems. Cadence matters: Basic syncs daily, Standard and Plus add hourly syncs, and Professional supports 15-minute syncs. These tiers make Windsor.ai more compelling for routine reporting than for teams that require a faster refresh on a lower-cost plan.

AI analysis

Windsor MCP provides a route from connected data to ChatGPT, Claude and Copilot. That can suit analysts who want to examine pipeline data through those tools, but it does not change the source, account or sync allowances of the selected plan.

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 at rest and in transit, with role-based access controls and separate customer data trust zones. Connector memory data is kept for up to 24 hours; disk cache is deleted after at least 20 days without access, with maximum retention of about three weeks. All plans include live chat, alongside documentation, ticket submission, a community portal and YouTube resources.

Pricing

Windsor.ai has a free plan, paid plans and a 30-day trial. The pricing note gives paid pricing from $19/mo (annual), while the plan prices below are monthly billed amounts; compare the billing term as well as the allowance when choosing a tier.

Forever Free: free for one user, one data source and one account. After the 30-day trial, this is a narrow option for evaluating a single connection; scheduled sync backfills are unavailable.

Free (30-day trial): free, with one user, 10 data sources, 15 accounts, five destination tasks and 30-day history. It offers room to assess a broader workflow, but its 30-day duration and single-user allowance limit its use as a team plan.

Basic: $23 a month, billed monthly, with unlimited users, three data sources, 75 accounts, five destination tasks and daily scheduled syncs. It fits a small recurring pipeline, but the three-source and five-task caps constrain broader reporting.

Standard: $118 a month, billed monthly, with unlimited users, seven data sources, 75 accounts, unlimited destination tasks and daily or hourly syncs. This is the more practical step for teams with several destinations or a need for hourly refreshes, though it still caps sources at seven.

Plus: $299 a month, billed monthly, with everything in Standard plus 10 data sources and 200 accounts. It suits larger account portfolios, but adds no faster sync cadence than Standard.

Professional: $598 a month, billed monthly, with everything in Plus plus 14 data sources, 500 accounts, auto-add accounts and daily, hourly or 15-minute syncs. It is aimed at high-volume or freshness-sensitive pipelines; its higher price is difficult to justify if daily or hourly updates suffice.

Across the tiers, the free plan is constrained by a single source and account, while paid plans scale source and account capacity and, at higher levels, task counts and sync frequency. The API is limited to 600 requests per minute and 10,000 per day, a relevant ceiling for API-driven workflows.

Platforms

Windsor.ai runs on web and provides an API. The connector ecosystem spans sources and destinations, but the API limits may matter to integrations that make frequent requests.

Who it's for

Analysts can use Windsor.ai to consolidate data for automated reporting; agencies can build client dashboards; and data teams can manage recurring pipelines across tools. The plan structure is most suitable when the source and account counts fit within a defined tier. A team needing many sources, more frequent syncs or substantial API throughput should check those limits before committing.

Pros and cons

Pro: More than 350 sources and destinations spanning BI, spreadsheets, databases, warehouses and AI tools can support varied reporting setups.

Pro: Scheduled syncs, schema matching and incremental loading support repeatable data movement, with 15-minute syncs available on Professional.

Pro: Live chat support is included across all plans, with additional documentation, ticket, community and video resources.

Con: Forever Free allows only one source and one account, and lacks scheduled sync backfills, so it is not a substantial ongoing multi-source tier.

Con: Paid plans cap sources and accounts, and Basic is limited to five destination tasks and daily syncs; teams with wider or more current pipelines must move up tiers.

Con: API requests are capped at 600 per minute and 10,000 per day, which can restrict high-volume API use.

Alternatives

Email Marketing Analytics Software is a broader category to explore when comparing tools for that use case.

Consider Singular instead if its free plan's 15,000 paid conversions and per-conversion pricing model better match your conversion-tracking needs. AnyTrack is a fit to compare when a free allowance of 5,000 sessions per month, one website, one ad platform integration and one conversion source is enough. For email-focused needs, Bluey Email offers a free plan with 500 emails per month, 500 contacts, forms, one automation and one landing page; OptiKratos Email has a free tier of 15,000 emails per month.

Dreamdata is worth comparing if its free plan's two-month user history, five seats, three stage models, two notifications and one sync meet your needs. Bird Analytics, Sendlens and Advanza are other alternatives to consider.

Verdict

Choose Windsor.ai if your team needs no-code movement across a wide range of sources and destinations, with scheduled syncs and a plan that accommodates its source and account counts. Its main advantage is breadth paired with automation; its chief drawback is that multi-source capacity and faster refreshes require higher tiers, while the permanent free plan is limited to one source and account. Look elsewhere if those caps, the API ceiling or the cost of the cadence you need do not fit your pipeline.

Verdict

Windsor.ai offers broad connector coverage and scheduled data movement, with a distinct post-trial free tier. Check its source limits, sync requirements, and API caps against your workload.

Where Specifiction places it

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