📱 Free Customer Management App 'Customer Management Master'

Manage repair history, client management, accounts receivable ledgers, and even electronic signatures all in one!

This is the lightest free customer management app for business owners and technicians in all on-site service industries, including computer repair, office equipment, rentals, installation, and after-sales service.

Instead of complex paperwork and ledgers, maximize field work efficiency with just 'Customer Management Master'.

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✨ Key Features

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🔹 1. Customer Information & Repair History Management

• View customer name, contact information, address, and past repair history at a glance on a timeline

• Look up maintenance history on-site in seconds using powerful search functions

• Manages everything from general customers to rental clients

🔹 2. On-site Electronic Signature System

• Receive customer signatures instantly via the app without paper receipts or confirmations

• Securely store signature data along with customer history

• Prevents future disputes and enhances trust

🔹 3. Intuitive UI/UX

• Lightweight and simple, unlike large corporate CRMs

• Complete data entry with just a few touches, even while wearing gloves on-site

• Anyone can learn how to use it within 5 minutes

🔹 4. Sales & Accounts Receivable Ledger Management

• View sales status, purchases/sales, and client accounts receivable at a glance

• Manage easily like a household ledger with a concise ledger system

• Provides monthly and client-specific sales statistics

🔹 5. Separate Accounts for Owners and Employees

• Owner: Manages overall sales, customer information, etc.

• Employees: Only handles receipt history and repair processing (Enhanced information security)

• Separation of permissions allows for confident delegation to employees

🔹 6. Unlimited Device Real-Time Synchronization

• No limits on the number of employees or devices

• Real-time sharing of on-site receipt history with office and other technician devices

• Instant access to office data even while on business trips

🔹 7. PC Integration Support (Plus In-App Purchase)

• Perfectly handle office tasks with simultaneous use on mobile and PC

• Fast input and output of large amounts of data on PC

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🔒 Data Sovereignty: 100% User Ownership

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'Customer Management Master' features a **user-centric, standalone structure** that does not collect or store customer data on developer servers.

• Personal Firebase Integration: Directly connect your own Google Firebase DB (Free Spark plan available)

• Exclusive Data Storage: All customer and signature data is stored exclusively in your own cloud

• 100% Personal Control: Real-time synchronization upon device change, and the ability to delete data directly

• True privacy protection with no worries about external leaks

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💼 Recommended for:

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✅ On-site technicians for computer repair, office equipment, multifunction printers, and printers

✅ Installation and service technicians for home appliances, boilers, air conditioners, and water purifiers

✅ Owners of furniture, interior design, and construction businesses

✅ Operators of auto repair shops and car centers

✅ Workers in the rental, cleaning, and pest control industries

✅ Small business owners who have reached the limits of managing customers with paper ledgers or Excel

✅ Self-employed individuals, sole proprietors, and freelance engineers

✅ Those who want to safely store customer personal information in their own space rather than on an external server Minutes

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📌 Key Keywords

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#CustomerManagement #CustomerManagementApp #FreeCRM #RepairHistory #ClientManagement #AccountsReceivableManagement #ElectronicSignature #OnsiteTechnicianApp #SmallBusinessApp #SelfEmployedApp #OfficeEquipment #ComputerRepair #AfterSalesServiceManagement #LedgerApp #SalesManagement #OnePersonBusiness

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※ This app includes Google AdMob advertisements to ensure continued free operation.

※ PC integration features are available upon payment of the in-app purchase (Plus).

📧 Inquiries and Feedback: zespy00@naver.com

🌐 Website: zespy17.cafe24.com

Start a smart business that enhances value in the field with 'Customer Management Master'!