Sintra 的替代产品（2026）
Sintra 起步价为 From $15.60/mo billed yearly (sale price)。下面的产品出现在相同分类里。
1
ChatGPT
ChatGPT is OpenAI's chat workspace for questions, files, images, and work. The public homepage in this pass was a login screen and did not list plans, prices, or connected apps. Pricing pages on openai.com returned 403 or timed out, so no price is recorded from a page that loaded.
价格: Not published. 适合: Individuals who want a general chat assistant and can start without a paid plan.
也出现在 最好用的 AI 个人助理.
2
Gemini
Gemini is Google's assistant in the Gemini app, with a free tier and paid Google AI plans that raise limits and add storage and Google app features. The subscriptions page lists Free, Google AI Plus, Google AI Pro, and Google AI Ultra. Ultra adds higher limits, Deep Think, and Gemini Spark in select countries.
价格: Free. 适合: People already in Gmail, Drive, and Docs who want the assistant inside those apps.
也出现在 最好用的 AI 个人助理.
3
Lindy
Lindy is a shared AI teammate in Slack, email, and iMessage that can research, draft, update tools, and take meeting notes. It ships with 40+ skills and says it connects to 1,000+ tools plus MCP. Actions that send or write wait for approval.
价格: From $29.99/user/mo. 适合: Teams that want one assistant in Slack with a shared credit pool and an approval step before it sends or changes anything.
也出现在 最好用的 AI 个人助理.
4
Manus
Manus is an agent that runs tasks in Chat Mode and Agent Mode, including research, slides, and website deployment on paid plans. The marketing homepage returned almost no product copy. Plan facts are from the Manus Help Center, which says the live pricing page is the source of truth.
价格: Free, then from $20/mo. 适合: People who want an agent that completes research and builds artifacts, with a free daily credit allotment.
也出现在 最好用的 AI 个人助理.
5
Martin
Martin is a personal agent you can text, call, email, or message in Slack. The site says it can schedule from email, draft and label mail, set reminders, and connect to other apps. It also offers an iOS app with voice mode.
价格: From $21/mo billed yearly. 适合: Individuals who want an inbox and calendar assistant they can reach by text or phone.
也出现在 最好用的 AI 个人助理.
6
Motion
Motion combines tasks, projects, calendar, docs, and a meeting notetaker, and it schedules work onto the calendar automatically. It connects to Google and Outlook calendars, Zoom, Meet, Gmail, Slack, Teams, HubSpot, and Salesforce. The pricing page advertises a free trial you can cancel.
价格: From $19/seat/mo. 适合: People who want a calendar that auto-schedules tasks and a notetaker in the same subscription.
也出现在 最好用的 AI 个人助理.
7
Saner.AI
Saner.AI is a notes, tasks, and email workspace with an assistant called Skai. It turns notes and mail into tasks, searches across what you have saved, and connects to Google Drive, email, Slack, and calendar on the free plan. The company says it was built by people with ADHD and that you do not need ADHD to use it.
价格: Free, then $16/mo. 适合: People who want one place for notes, mail, and tasks, with a free plan that already includes the connectors.
也出现在 最好用的 AI 个人助理.