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Send Thousands of Personalized Messages Directly from Your SIM Card

MergeSMS combines the power of mail merge with native SMS sending. Import your contacts from CSV or Excel, customize each message, and send bulk SMS campaigns that feel personal.

Powerful Features for Every Campaign

CSV & Excel Import

Seamlessly import contact lists from CSV or Excel files. Automatic column detection and field mapping make it easy to get started. Support for thousands of contacts in a single import with data validation to catch errors before sending.

Advanced Personalization

Go beyond just names. Insert any custom field from your data into message templates. Use conditional logic to vary content based on recipient attributes. Create truly personalized experiences that drive engagement and conversions.

Message Scheduling

Schedule campaigns to send at the perfect time for your audience. Set up recurring messages for regular communications. Respect time zones automatically to ensure messages arrive when recipients are most likely to engage.

Delivery Tracking

Real-time visibility into message delivery status. See which messages were sent, delivered, failed, or are pending. Export detailed reports for analysis and compliance. Never wonder if your message reached its destination.

Contact Management

Organize contacts into groups and segments for targeted campaigns. Add custom fields to store any information you need. Built-in duplicate detection keeps your database clean. Import, export, and update contacts with ease.

Template Library

Save frequently used messages as reusable templates. Share templates across your team for consistent messaging. Version control ensures you always use the latest approved copy. Build a library of high-performing messages over time.

Multi-SIM Support

Manage multiple SIM cards and phone numbers from one app. Distribute sending load across SIMs for faster delivery. Assign specific numbers to different campaigns or departments. Scale your sending capacity as your needs grow.

Privacy & Security

Your data never leaves your device without your permission. End-to-end encryption protects sensitive contact information. Comply with GDPR, TCPA, and other privacy regulations. Built-in opt-out management respects recipient preferences.

Everything You Need for Bulk SMS

Personalize every message with custom fields from your contact list. Import CSV or Excel files and automatically insert names, dates, amounts, or any data field into your SMS templates. Make every recipient feel like you're speaking directly to them.

Use your own phone number and SIM card to send messages. No third-party gateways, no monthly subscriptions to SMS services. Your recipients see your real number, building trust and improving response rates while you maintain complete control.

Send hundreds or thousands of personalized messages with a single click. Schedule campaigns for optimal timing, track delivery status in real-time, and manage your entire contact database from one intuitive interface. Scale your outreach without scaling your effort.

Spreadsheet data visualization showing mail merge fields
Mobile phone with SIM card tray
Dashboard showing bulk SMS campaign analytics

How it works

Three Simple Steps to Reach Your Audience

  1. 01

    Import Your Contacts

    Upload a CSV or Excel file with your recipient list and custom fields. Map columns to merge fields in seconds.

  2. 02

    Craft Your Message

    Write your SMS template and insert personalization tags. Preview how each message will look before sending.

  3. 03

    Send and Track

    Hit send and watch your messages go out from your SIM card. Monitor delivery status and responses in real-time.

One App, Countless Ways to Connect

Real workflows from teams using MergeSMS to reach their audience every day.

  • Event coordinator

    Send 500 personalized wedding invitations with guest names and table numbers

    95% open rate within 2 hours; zero manual typing errors

  • Small business owner

    Notify 200 customers about flash sale with their loyalty discount code

    38% redemption rate; campaign sent in under 5 minutes

  • School administrator

    Alert parents about weather closure with student-specific bus route info

    Entire parent list reached before 6am; personalized by grade level

  • Healthcare clinic

    Send appointment reminders to 150 patients with custom date and doctor name

    No-show rate dropped from 18% to 6% in first month

  • Freelance recruiter

    Follow up with 80 candidates about interview slots across 4 companies

    Personalized messages sent from personal number; 67% response rate

  • Nonprofit coordinator

    Thank 300 donors with personalized amount and impact message

    Heartfelt messages delivered in minutes; 40+ replies from grateful donors

Works with Your Favorite Tools

Excel
iCloud
Notion
Numbers
Dropbox
Contacts
Airtable
OneDrive
CSV Files
Salesforce
Google Drive
Google Sheets

What Our Users Say

MergeSMS saved me hours of manual work. I imported my customer list and sent 400 personalized messages in under 10 minutes. The mail merge feature is a game-changer for my small business.
Sarah Chen
Finally, an SMS app that understands bulk messaging. The CSV import works flawlessly, and being able to send from my own SIM card means my customers recognize my number. Highly recommend!
Marcus Johnson
I've tried three other bulk SMS apps and MergeSMS is the only one that got it right. The personalization fields are intuitive, and I love that messages come from my actual phone number.
Priya Patel
As an event planner, I need to send hundreds of customized invitations quickly. MergeSMS makes it effortless. The Excel import feature and merge tags are exactly what I needed.
David Rodriguez
This app paid for itself in the first week. I can now handle all my customer notifications without expensive SMS gateway fees. Plus, the personal touch of my own number builds trust.
Emily Nakamura
Simple, powerful, and reliable. MergeSMS does exactly what it promises. I've sent over 5,000 personalized messages in the past month with zero issues. Worth every penny.
James O'Connor

Trusted by Businesses Worldwide

500K+ Messages sent daily
98.7% Delivery rate
15K+ Active users
4.8/5 Average rating

Ready to Send Personalized Bulk SMS?

Join thousands of businesses using MergeSMS to reach their audience with personalized messages. Import your contacts from CSV or Excel, customize with mail merge, and send directly from your SIM card. No complicated setup, no monthly fees—just powerful bulk SMS at your fingertips.