Best ai apps for productivity

Best overall: ChatGPT is the most versatile AI productivity app for writing, planning, brainstorming, summarizing, analysis, and building reusable workflows. If your work lives mostly in Microsoft 365, choose Microsoft Copilot; if it lives in Google Workspace, choose Gemini for Google Workspace.

Quick shortlist:

1. ChatGPT — best all-purpose AI assistant
2. Microsoft Copilot — best for Word, Excel, PowerPoint, Outlook, and Teams users
3. Gemini for Google Workspace — best for Gmail, Docs, Sheets, Drive, and Meet users
4. Notion AI — best for notes, docs, project knowledge, and team wikis
5. Perplexity — best for research and fast answer-finding
6. Claude — best for long-document reading, writing, and careful drafting
7. Grammarly — best for polished emails, documents, and tone improvement
8. Zapier — best for automating repetitive work across apps

My practical advice: pick one general assistant, one work-suite assistant, and one automation or writing tool. For most people, that means ChatGPT + your office suite’s AI + Grammarly or Zapier.