This is one of the most advanced invoice app you can find. We packed this app with a lot of features and priced it so low, you simply have to get it. Get it for one dollar only. It's a one-time payment for all features on all your devices. That's it. MobileBiz Pro makes it easy to create and send professional looking estimates and invoices to your clients. Key features of the app. Email professional-looking pdf invoices from your Android device. Can customize the invoice and can add your own logo. Sign your invoice directly from the device. Track your business performance with built-in sales reports. Manage and track inventory if you sell products. Can use phone contacts as customer on your invoiceMore advanced features of this invoice maker. Send invoice by SMS. Send customer statements. Can create estimates (or quotes) that you can send to clients. Later on, it can be converted to invoice easily. Can accept payments and send payment receipts. Can apply discounts and shipping charges. Can scan barcodes when adding items to invoices. Can separate your invoices and reports by company if you operate more than one company. Track customer balance, invoice cost and profit. Include Paypal links on invoices. Can create recurring invoices. Can customize the invoice PDF - supports portrait/landscape, letter/A4/legal page sizes); can change color themes and print almost any information on the invoiceBuilt-in reports included in the app. Sales by month / quarter / year. Sales by item. Sales by customer. Customer profitability. Customer aging. Payments report. Inventory report. Out of stock report. Monthly tax report. Profit and Loss (needs Expenses at Work app) Useful settings and tools. Supports your local tax rates whether they are single tax, two taxes, or tax-inclusive. Can use your local currency and date formats. Can lock the app and open by PIN. Backup and restore data; automated scheduled backups. Import and export data by CSV. Import data from QuickBooksFor one-dollar, this invoice app is the best value for your money. This invoice maker is helping many small businesses and entrepreneurs - whether you are a contractor, freelancer or self-employed. Installed on phones and tablets in many countries, invoice can be sent in English, Spanish, French, Italian, German and Portuguese. For other languages, templates can be manually edited inside app. Ideal for: contractors, consultants. electricians, mechanics, plumbers.computer and tech services, automotive services. house maintenance, cleaning services, installation services.delivery services, design services. and many moreIf you need multi-user and device sync capabilities, get MobileBiz Co instead. Try before buying, install MobileBiz Lite and use it until you are satisfied (Lite version does not expire and allows up to 10 invoice at a given time). Permissions request: FINE (GPS) LOCATION - to optionally use current location as customer's address on invoice. READ CONTACT DATA - to get phone contact info and enter it as customer on invoice. FULL INTERNET ACCESS - for Dropbox backup/export; generate PDF printouts. STORAGE - to store backup/export files on sdcardNOTE: All apps are prone to issues. This app has excellent support and can fix these things. Contact support first before leaving bad reviews.