Spark Mail
Officially listedCross-platform AI email client offering smart inbox management, team collaboration, and AI writing help.
Spark Mail
Spark Mail is a smart email client developed by Readdle, built for managing multiple email accounts and team collaboration. Its Smart Inbox automatically separates priority mail from noise so you can focus on what matters. It syncs seamlessly across iOS, Android, macOS, and Windows, with a 4.6-star rating from 19.5 million users proving its strength.
Core Capabilities
- Smart Inbox: Automatically sorts priority email from newsletters, with the Gatekeeper feature blocking spam senders
- Team Collaboration: Shared inboxes, shared drafts, task assignment, and team comments make it an email collaboration hub for small teams
- Spark +AI Assistant: AI writing assistant drafts and polishes emails, offers quick reply suggestions, summarizes long emails, and translates across languages
- Productivity Toolkit: Done Marker archiving, Set Aside, Snooze, Send Later scheduling, and Reminders
- Spark CLI (new in 2026): Lets AI agents (Claude/GPT/Gemini) access mailbox data for highly automated email management
- Calendar and Meeting Integration: Unlimited calendar connections, one-click joining of Zoom/Google Meet/Teams, and Meeting Notes that transcribe and summarize meetings
Use Cases Individuals managing multiple email accounts (the free version supports unlimited accounts); small teams of 3-10 needing shared inbox collaboration; cross-device workers who need seamless iOS/Android/Mac/Windows sync; and developers using Spark CLI for AI agent-driven email automation.
Unique Advantages Team collaboration features stand out among similarly priced products, and the free tier is more generous than Superhuman or Shortwave. Spark CLI is a 2026 breakthrough for email clients, with hybrid search (keyword plus semantic) returning full email bodies. The How-To Geek editors called it 'the app that finally convinced me to give up Gmail on Android.'
Editor's Review Spark Mail is a feature-complete, reasonably priced cross-platform email client: the free version is enough for personal use, while the Plus plan ($8.25/month) and Pro plan ($16.58/month) bring great-value collaboration features to small teams. Note that some users report Spark 3 performance issues, and the AI writing features are 'useful but not revolutionary.' Rating 4/5 stars—well suited to heavy email users who need smart management and team collaboration.
Pricing
### 💰 定价模式：免费增值（四层定价） **起步价**：免费（慷慨的免费版本） #### 主要方案 - **Free（免费）**：$0 - Smart Inbox、无限邮箱账户、智能通知、基础生产力工具、日历 - **Plus（增强版）**：$8.25/月（年付$99）- Free所有功能 + 高级生产力工具、Spark +AI、AI助理、40次AI会议笔记/月、基础团队协作、自定义模板、生产力集成 - **Pro（专业版）**：$16.58/月（年付$199）- Plus所有功能 + 无限AI会议笔记、Workflows、Auto-Labels和Auto-Drafts、Read Statuses、高级团队协作、HubSpot集成、Spark CLI（Triage权限） - **Enterprise（企业版）**：联系销售 - Pro所有功能 + 安全控制、专属客户成功经理、1对1生产力培训 #### 试用/其他信息 年付节省17%。订阅跨平台生效（iOS购买，Windows/Mac/Android同样可用）。AI配额用完可购买充值包。 — Visit website
FAQ
Is Spark Mail free?
Spark Mail offers a feature-rich free version with Smart Inbox, unlimited email accounts, smart notifications, basic productivity tools, and a calendar. Paid tiers are Plus at $8.25/month (billed annually) and Pro at $16.58/month (billed annually).
What are Spark Mail's main features?
Core features include Smart Inbox auto-sorting, Gatekeeper spam blocking, team collaboration (shared inboxes/drafts/comments), the Spark +AI writing assistant, send later, email snoozing, calendar integration, and Spark CLI (AI agent access).
Which platforms does Spark Mail support?
Spark Mail supports all four major platforms—iOS, Android, macOS, and Windows—making it one of the few truly cross-platform email clients. Subscriptions work across platforms and data syncs seamlessly.
How does Spark Mail differ from Gmail?
Spark offers Smart Inbox automatic sorting (Gmail requires manual labels), team collaboration features (shared drafts/comments), a faster Android app experience, and customizable swipe gestures. Gmail's advantages are 15GB of free storage, Gemini AI, and Google ecosystem integration.
What team size fits Spark Mail's collaboration features?
Spark Mail best fits small teams of 3-10 people, offering shared inboxes, task assignment, team comments, and shared drafts. Compared with enterprise tools like Superhuman and Front, Spark delivers better value.
What AI features does Spark Mail have?
Spark +AI includes a writing assistant that drafts and polishes emails, quick reply suggestions, automatic summaries of long emails, multilingual translation, My Writing Style that learns how you write, Meeting Notes that transcribe meetings, and an AI assistant that searches emails/attachments/calendar.
What is Spark Mail's Spark CLI?
Spark CLI (new in 2026) lets AI agents (Claude/GPT/Gemini) access your mailbox, contacts, calendar, and meeting notes. It offers Read (free) and Triage (Pro) permission levels, with hybrid search and local data access to protect privacy.
How is Spark Mail's privacy and security?
Spark stores and encrypts data on Google Cloud, and Spark CLI data is read from local Spark Desktop without going through the cloud. That said, there has been controversy over server-side processing, so privacy-sensitive users might consider Proton Mail or Canary Mail.