Best invoicing, billing and accounting software for small businesses, freelancers and service providers. Manage entire business with Simple Invoice Manager. Create professional invoices, manage billing, track payments and maintain accounts effortlessly.
Simple Invoice Manager is a complete invoicing, billing & accounting software designed specifically for small businesses, freelancers, and startups. Create professional invoices in seconds, track payments, manage GST compliance, and maintain detailed financial records all in one place.
Whether you're a retailer, service provider, or accountant, Simple Invoice Manager provides all the tools you need to streamline your invoicing and billing process efficiently.
Whether you bill hourly, per project, or sell physical products — generate clean, professional invoices effortlessly.
Reduce delays and improve cash flow with structured billing management.
Get clarity on your business performance without hiring expensive accounting software.
Automated quarterly reporting.
Track top performing services.
Real-time outgoing management.
Instant tax-ready breakdowns.
Simple Invoice Manager also includes additional tools that integrate seamlessly with your invoicing workflow
Create customizable invoices with automatic numbering and PDF export.
Automate subscription and repeat invoices effortlessly.
Track paid, unpaid and overdue invoices in real time.
Profit & loss, sales reports, tax summaries and dashboards.
Track stock levels and receive low-stock alerts instantly.
Turn your device into a powerful retail POS system.
Assign roles and manage sub-users securely.
Access your data anywhere with encrypted cloud storage.
Designed to scale with your business — from solo entrepreneur to growing team.
Send professional invoices and track payments easily without the overhead.
Manage billing, expenses, inventory, and reports in one centralized system.
Automate recurring billing and monitor revenue growth across your client base.
Seamlessly integrate POS billing with real-time inventory tracking.
Simple tools. Professional results.
Your financial data is your most sensitive asset. We protect it using bank-grade 256-bit encryption and redundant cloud infrastructure.
Join thousands of freelancers and small business owners who have simplified their workflow.
“This invoicing system has exceeded my expectations, from estimates to invoices. I can do everything from my phone, data is secure on the app. Technical team is super efficient when you email or whatsapp them with any issues or even just for information about the app. I am in South Africa. Definitely recommend.”
“Very good and reliable app. The Invoice Manager is easy to use and helps me create receipts and invoices quickly for my clients. I also had a small issue and the support team responded fast and solved it. I really appreciate the quick assistance and smooth experience. Highly recommended for business use.”
“Value for Money, Best app for Business regardless of turnover. This app is not confined to Invoice making as the name suggests but it's beyond what one can expect. Every feature is perfectly fitted with a user friendly interface making business transactions recording smooth and helpful as they can be extracted anywhere anytime due to the sync and backup option and generation of various reports give a lot of help to understand the business better. With love from Sameed. ♥️”
“Superb, magnificent, the best, flawless, easy to use, excellent technical support, exceeds all expectations, quick response, regular updates, I wouldn't trade it for any other.”
“The app is very efficient, truly 5 stars, I'm giving it without hesitation. Keep it up so that people who need this app can continue working. Thank you very much.”
“We have subscribed to this application since 2019 until now 2025. Many times we have received offers for similar applications from local Indonesian application developers, but we still choose this Invoice Manager made in India. We like the ease of the features and its appearance. Thank you SIM, even though we only run a small business, this application is very helpful in recording our orders. Thanks”
Everything you need to know about our platform and billing.
A cloud-based invoicing and accounting software designed for small businesses and freelancers.
It is optimized for freelancers, consultants, and small business owners.
No, it includes expense tracking, inventory, and financial reporting.
Yes, it supports multi-currency billing and global tax configurations.
Yes, the interface is localized for several global regions.
Yes, you can automate recurring billing for subscription clients.
Export as PDF and share via email or secure direct links.
Yes, add your logo, business details, and brand colors.
Yes, track status in real-time with automated reminders.
Yes, create quotations and convert them to invoices instantly.
Access P&L, sales summaries, and tax reports in real time.
Yes, built-in expense tracking keeps your records tax-ready.
It covers essential needs for SMEs without ERP complexity.
Yes, track stock levels and receive low-stock alerts.
Yes, process retail transactions through our integrated POS.
We use industry-standard encryption to protect all financial data.
Yes, access on web, mobile, and desktop with real-time sync.
Yes, assign specific roles to staff or your accountant.
Yes, start with a free tier and upgrade as you scale.
Yes, we offer no-contract flexibility on all our plans.
Stop switching between multiple tools. Start managing your business more efficiently with one of the best invoicing app made for small businesses.
