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airSlate WorkFlow (now altaFlow) vs Sanka Flow

airSlate WorkFlow (now altaFlow)

airslate.com

Sanka Flow

sanka.com

Side by side

FigureairSlate WorkFlow (now altaFlow)Sanka Flow
Price from$399/mo$99/mo
Free planYesYes
Free trialYes—
Open source—Yes
WebYesYes
iOSYes—
AndroidYes—
APIYesYes
Plans published68
Spec score · Deal Desk Software9.4 (#1)8.5 (#9)
Company headquartersThe company is headquartered at 17 Station Street in Brookline, Massachusetts, United States.The company profile lists 1-3-2 Toyosu, Koto, Tokyo, Japan as the address.
Company legal nameCrunchbase identifies the legal entity as airSlate, Inc.Speeda's company profile identifies the legal name as Sanka, Inc. (株式会社サンカ).
Company sizeLinkedIn lists the company size as 501–1,000 employees.LinkedIn describes Sanka as privately held and lists a company size of 2–10 employees.
Rating on G24.5 out of 5 from 3,575 reviews on the airSlate seller profile; the profile lists altaFlow separately with 56 reviews.0 out of 5 from 0 reviews
SDKsThe developer site documents SDK-based operations and instructs developers to obtain credentials through an API dashboard.Official typed SDK packages are provided for Node.js/TypeScript and Python and are generated from a shared OpenAPI contract.
What it doesaltaFlow is a no-code, document-first workflow platform for generating, routing, approving, signing and governing business documents.Sanka Flow is a business-operations workspace for sales, finance, procurement, inventory, workflows and reporting with AI-assisted review.

Plans

airSlate WorkFlow (now altaFlow)

  • FreeFree
  • Growth$399 a month
  • Automate 360$799 a month
  • Standard$1.40, paid once
  • AdvancedPriced on request
  • EnterprisePriced on request

airSlate WorkFlow (now altaFlow) pricing →

Sanka Flow

  • FreeFree
  • FreeFree
  • HubSpot Pack$99 a month
  • Pro$99 a month
  • Salesforce Pack$299 a month
  • Enterprise$500 a month
  • Contact SalesPriced on request
  • Shopify PackPriced on request

Sanka Flow pricing →

In their own words

airSlate WorkFlow (now altaFlow)

airSlate WorkFlow is now altaFlow, a no-code platform for document generation, forms, eSign, and governed workflows across CRM and ERP systems. It captures data, builds documents, routes them for approval and signature, then syncs completed results back to systems. Features include conditional logic, dynamic tables, eSignatures, and automatic write-back. Named integrations include Salesforce, Slack, Airtable, QuickBooks, Monday, Box, Dropbox, Excel, and Zoho. The Salesforce integration can generate documents from records, route approvals and signatures, and write completed data back to Salesforce. Security controls include AES-256 encryption at rest and in transit, SAML 2.0 SSO, access controls, audit logging, and backups. The maker lists CCPA, FERPA, GDPR, HIPAA, PCI DSS, and SOC 2 Type II. Plans include unlimited users, with pricing scaling by documents processed. Free costs nothing and includes 10 credits per month. Standard is listed at $1.40, paid once, starting at $1.40 per document. The first workflow product launched within airSlate in 2019, and altaFlow became a standalone brand in 2025.

Visit airslate.com

Sanka Flow

Sanka Flow recreates legacy processes and coordinates operations across finance, sales, procurement, and HR. It can work alongside migrated systems or run independently: standalone use covers billing, sales documents, inventory, and purchasing. Sales tools include CRM, deals and opportunities, quotes, CPQ, incentives, customer service, and a customer portal. Finance functions span invoicing and accounts receivable, accounting, billing, subscriptions, revenue recognition, invoice processing, expenses, and monthly close. Procurement and HR cover purchase orders and payments, vendor and spend management, inventory, employee management, payroll, attendance, leave requests, reviews, and approval workflows. Claude can handle recurring back-office tasks using Flow records, pause at configured approvals, and leave a log on the record. It is available through ChatGPT, Claude, Slack, email, and Teams. Flow names HubSpot, Salesforce, Shopify, and Attio as platforms it works with, and also supports standalone or custom setups. The HubSpot workflow can take approved deals through documents, signatures, billing, accounting, purchasing, fulfillment, and automated workflows, with accounting-ready records synced to Xero or QuickBooks. The free plan is free; paid access starts at $99/mo.

Visit sanka.com