Spark +AI

Windows · Mac · Android · iPhone · paid plans from $10/mo

Freedom report

Three barsScore 6.5

Free tierA free tier is on its own pricing page
Open codeNo open-source code on record
Runs widely4 of 6 device platforms
DocumentedPlans, terms and facts published

Spark +AI is ranked #6 of 46 in AI email assistants on Freedom251. It runs on Android, iOS, macOS, Windows. There is a free plan. A free trial is offered. Paid plans start at $10/mo.

Spark +AI plans and pricing

All plans

Free Free Smart Inbox · Unlimited Email Accounts · Smart Notifications · Calendar sparkmailapp.com · 30 Sept 2026

Plus $10/mo $10 / month per user; $120 / year Spark +AI · AI Assistant · 40 AI Meeting Notes · Essential Team Collaboration sparkmailapp.com · 30 Sept 2026

Pro $20/mo $20 / month per user; $240 / year Everything in Plus · Unlimited AI Meeting Notes · Advanced Team Collaboration · HubSpot integration sparkmailapp.com · 30 Sept 2026

Enterprise Not published Let's Talk Everything in Pro · Security & Controls · Dedicated Success Manager · 1:1 Productivity Coaching sparkmailapp.com · 30 Sept 2026

Compared on AI email assistants

Free plan: Yes
Paid from: $10/user/mo
Inbox triage: Yes
AI reply drafting: Yes
Automatic sending: No
Thread summaries: Yes
Follow-up actions: Yes
Email platforms: other

Best Spark +AI alternatives

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Two bars Mailbutler Smart Assistant Free tier No. 1$7/mo6.8 Two bars Perplexity Free tier No. 2$20/mo6.8 Two bars Spike Free tier No. 3$4/mo6.7 Two bars Superhuman Go Free tier No. 4$12/mo6.6 One bar Mailtwine Paid plans No. 5—6.5 Two bars EmailOps Free tier No. 7Free6.4

The record

Inbox search: AI Assistant searches emails, attachments, calendar, and meeting notes to find relevant information.
Writing tools: AI Assistant can draft and rephrase emails, proofread grammar and clarity, and translate messages.
Inbox actions: AI Assistant can check colleagues’ availability, schedule meetings, draft and send emails, and organize the inbox.
AI data handling: Spark says email and request history are processed locally, while only a few emails related to a query are sent to its AI provider; provider copies may be retained for up to 30 days for abuse monitoring.
AI privacy: Spark says AI providers do not use user data to train AI models, and AI features can be disabled in settings.
Attachment limits: AI Assistant can use attachments in PDF and TXT formats.
Email providers: AI Assistant works with Gmail/Google Workspace, Outlook/Office 365 including Exchange Online, iCloud, Yahoo, and standard IMAP accounts.
Integrations: Spark lists integrations including Notion, Asana, Slack, Todoist, Zoom, Microsoft Teams, and HubSpot; Salesforce and Pipedrive support is listed as coming soon.
AI plan limits: The pricing comparison lists five lifetime Meeting Notes on Free, 40 per month on Plus, and unlimited on Pro and Enterprise; AI features also use monthly Spark +AI quota.
Intended users: Spark describes Plus for individuals and small teams, Pro for professionals and client-facing teams, and Enterprise for larger teams needing advanced security and support.
Company: Spark is part of Readdle, which describes itself as a privately held productivity software company.
Supported devices: The maker lists Spark versions for Windows, macOS, iOS, and Android.
Founded: 2007
Price from: $10/mo

Where it ranks on Freedom251

Best AI Email Assistants in 2026#6 of 46

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Sources

sparkmailapp.com/features/ai-assistant· checked 30 Sept 2026
sparkmailapp.com/features/integrations· checked 30 Sept 2026
sparkmailapp.com/pricing· checked 30 Sept 2026
sparkmailapp.com/about· checked 30 Sept 2026
sparkmailapp.com/windows· checked 30 Sept 2026