invoice management2 payment tracking2 billing process1 blendvoice1 clients module1 customizable styling1 desktop application1 driver management1 driver monitoring1 dynamic tax1 fleet manager1 fleet vendors1 income and expense filtering1 invoice retrieval1 invoicing1 maintenance scheduling1 multiple currencies1 notifications1 offline functionality1 payment summaries1 performance analytics1 professional templates1 quotation1 real-time vehicle tracking1 user transaction reports1 user-friendly interface1 vehicle tracking1