April Flow
April Flow: Evidence-grounded document Q&A with self-hosting, APIs, and website access. Ranked #30 of 36 in AI Knowledge Base Software by our editors (6.3/10); pricing: Paid; best for teams needing self-hosted document Q&A.
At a glance
- Editor score6.3 / 10
- PricingPaid
- Best forTeams needing self-hosted document Q&A
- Free planNo
- Paid from€49/mo
- AI answer modeBoth
- Facts checked20 Sep 2026
Where it wins
- Answers include supporting extracts and links to source documents
- Self-hosted deployment with API, Java SDK, and Python SDK access
- Collections organize knowledge for focused document search
Where it doesn't
- Starter begins at €49 per month with no free plan
- Content sync is manual rather than automatic
- Permission controls are basic and platform coverage is limited
Our verdict on April Flow
April Flow is an AI knowledge base and document assistant for organizations handling sensitive, technical, legal, operational, or business-critical information. Users upload and index documents, organize them into Collections, select the relevant Collections, and ask questions grounded in that context. Answers include supporting extracts, highlighted evidence, and direct access to original source documents. Self-hosted deployment, a managed-service model, a website assistant, customer portal access, internal applications, and workflow integrations make it suited to teams that need document Q&A across more than one interface.
Pricing is based on indexed knowledge, document capacity, and AI usage rather than per-user licensing. Starter costs €49 per month and includes Collections, document upload and indexing, app, API, and website assistant usage, 1 GB or 500 indexed documents, 1 million AI tokens per month, and standard support. Team costs €149 per month, raises capacity to 10 GB or 5,000 indexed documents and 5 million AI tokens per month, and is suitable for internal and website usage. Business costs €399 per month, adds 50 GB or 25,000 indexed documents, 20 million AI tokens per month, and priority support for heavier company usage. Sovereign has custom deployment, quotas, infrastructure options, and support.
The platform fits teams that can manage manual content updates and want control over deployment. API access, Java and Python SDKs, a Scraper CLI, and workflow integration options support internal applications and customer-facing experiences. Search across selected Collections and evidence-linked answers give the product a focused approach to document-based research rather than a broad collaboration suite. Basic permissions and limited platform coverage may matter for organizations with complex access models or wider content ecosystems. Teams prioritizing self-hosting and verifiable answers should consider April Flow; those needing automated synchronization or more advanced permissions should choose an alternative.
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April Flow pricing
All 4 April Flow plans and prices →
April Flow fact sheet
| Free plan | No |
|---|---|
| Paid from | €49/mo |
| AI answer mode | Both |
| Source connectors | Not verified |
| Permission controls | Basic |
| Content sync | Manual |
| Supported content | Documents_apps_and_web |
| Included users | Not verified |
| Deployment | Self-hosted |
| Integrations | 8 integrations: API, Java SDK, Python SDK, Scraper CLI, Website assistant, Customer portal … |
| Pricing | Paid (source) |
| Website | aprilflow.com |
| Facts checked | 20 Sep 2026 |
April Flow integrations
April Flow lists 8 integrations on its own site.
- API
- Java SDK
- Python SDK
- Scraper CLI
- Website assistant
- Customer portal
- Internal applications
- Workflow integrations
Alternatives to April Flow
- Stack InternalA governed AI knowledge base for teams that need trusted answers across workplace tools.9.3
- NuclinoFlexible collaborative knowledge software with a useful free plan and broad platform support.9.1
- GitBookA strong fit for teams that need documentation workflows, Git sync, and publishing.9.0
See all April Flow alternatives →
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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