Smartphones have become indispensable tools for modern businesses across the globe. In 2025, the variety and sophistication of business applications allow entrepreneurs, small teams, and solo professionals to manage projects, finances, communication, and workflows right from their mobile devices. The apps selected here reflect trends in productivity, automation, and connectivity, helping businesses stay agile and competitive in a fast-evolving global market.
Trello — Best for Project Management
Trello offers a simple and visual way to manage projects using boards, lists, and cards. Its drag-and-drop interface makes organizing tasks intuitive, making it ideal for freelancers, startups, and small teams. The free version provides robust functionality, including checklists, deadlines, file attachments, and task assignment. Although it can be basic for large, complex operations, Trello’s accessibility and flexibility make it widely loved globally.
QuickBooks — Best for Invoicing & Accounting
QuickBooks stands out as a comprehensive financial solution, allowing small businesses and freelancers to send professional invoices, track payments, and monitor expenses automatically. Features like mileage tracking help save money during tax season. While it requires a monthly subscription and may initially overwhelm new users, its value in automating bookkeeping and improving professionalism is unmatched.
Microsoft 365 Copilot — Best for Documents, Spreadsheets, and Presentations
Microsoft 365 brings the classic office suite to mobile devices with Word, Excel, PowerPoint, and Outlook available through a unified app. The integration of AI assistance, known as Copilot, streamlines document creation and editing. Cloud synchronization means work can shift seamlessly between phone, tablet, and PC—a crucial feature for mobile-first business users worldwide.
Notion — Best for Business Notes & Knowledge Management
Notion’s all-in-one workspace helps manage notes, projects, databases, and collaborative workflows. Its flexibility lets users tailor their workspace to their unique business needs, providing tools for content calendars, client tracking, and beyond. Although its depth can be intimidating at first, the generous free tier and customization options make it a favorite for solo entrepreneurs and teams internationally.
WhatsApp Business — Essential for Communication and Client Engagement
WhatsApp Business is a leading global platform for customer communication, especially for micro and small businesses. Features like business profiles, quick replies, automated messages, and order updates enhance customer management. Given its enormous user base and simple interface, it’s invaluable for maintaining global customer relationships without heavy marketing investment.
HubSpot & Zoho CRM — Leaders in Customer Relationship Management
Both platforms offer powerful mobile CRM features, integrating marketing automation, lead tracking, email campaigns, and real-time analytics. Widely used worldwide, these apps help fast-growing businesses manage sales pipelines and client relations efficiently via smartphones.
FreshBooks — Popular Choice for Freelancers and Small Businesses
FreshBooks simplifies invoicing, expense tracking, and financial reporting. Popular with freelancers across continents, it offers intuitive mobile features that reduce administrative overhead and provide clear visibility into business health.
Telegram & Viber — More than Messaging Apps
In 2025, these messaging platforms have evolved into comprehensive business tools with capabilities for chatbots, broadcast messaging, and client database management. Their adaptability and widespread usage in regions like Europe, Russia, and Asia make them effective for sales automation and customer engagement.
Monzo & Revolut — Pioneering Mobile Banking for Entrepreneurs
These digital banking apps have revolutionized financial management for business owners in the UK, Europe, and beyond. Real-time transfers, transparent spending analytics, and API integrations with accounting software streamline financial operations.
Other Noteworthy Apps
PlanFact offers reliable financial tracking and expense analytics for startups. CapCut provides easy-to-use mobile video editing, essential for digital marketing today. HeadHunter Mobile aids in recruitment, connecting employers with talent internationally.
Overall, the best business smartphone apps in 2025 emphasize automation, user-friendly design, and seamless integration across devices and platforms. Many offer free versions, lowering barriers for startups and small enterprises. Entrepreneurs globally benefit from leveraging these digital tools to enhance productivity, communication, and financial control in a digitally connected world.