SMS Marketing in 2026: How Is It Different From the Past?
In recent years, this field has undergone significant changes. If you are unaware of them, your campaigns may fail to deliver results:
Artificial Intelligence Has Entered SMS Copywriting
Today, AI tools can personalize SMS content based on customer purchasing behavior. For example, a customer who purchased sports shoes three months ago can receive a different SMS from a customer who purchased a leather bag — using the same system and automatically.
Conversational SMS Has Replaced One-Way Messaging
SMS is no longer simply about “sending notifications.” Customers can reply, ask questions, or even complete a purchase through SMS. This two-way SMS model significantly increases engagement.
Integration With CRM Has Become Essential
SMS can no longer be managed separately from the customer management system. CRM data should form the basis for targeting SMS campaigns.
Opt-In Regulations Have Become Stricter
Sending SMS messages without the recipient’s explicit consent is not only unethical but is also prohibited under many international legal frameworks. This is gradually becoming a more serious issue in Iran as well.
Types of Promotional SMS and Their Applications
Understanding the different types of SMS is the most important step in developing a strategy. Each type of SMS plays a different role in the sales funnel:
Promotional SMS
Goal: Increase sales or introduce a new product
Suitable for: Sales campaigns, product launches, discount codes
Key point: It must have a clear CTA.
Transactional SMS
Goal: Provide customers with process-related information
Suitable for: Order confirmations, tracking codes, payment reminders
Key point: These messages have higher open rates than others — take advantage of this opportunity.
Reminder SMS
Goal: Bring customers back to a stage they have abandoned
Suitable for: Abandoned shopping carts, subscription renewals, consultation appointments
Key point: Sending the message at the right time — neither immediately nor too late — makes a significant difference.
Loyalty SMS
Goal: Strengthen relationships with existing customers
Suitable for: Customer birthdays, first-purchase anniversaries, loyalty-program points
Key point: These messages sell emotions, not products.
Crisis or Alert SMS
Goal: Provide urgent information
Suitable for: Changes in business hours, service disruptions, urgent notifications
Key point: It must be short, clear, and direct.
5. How to Design a Professional SMS Campaign
Many SMS campaigns fail because they lack a clear process. Here is a step-by-step framework:
Step 1: Define the Campaign Goal
First, ask: What specific and measurable goal does this campaign have?
“Increase sales” is not a goal.
“Increase sales of Product X by 15% within two weeks” is a goal.
Step 2: Build a Targeted Phone Number Database
The quality of your audience list is more important than the SMS copy itself. Reliable sources for building a list include:
- Website registration forms with a value-based incentive (discount, free content)
- Previous store customers
- Event and webinar participants
- Social media audiences who have opted in to receive SMS messages
Never use purchased phone-number databases. Zero conversion rates, a damaged brand, and the risk of being marked as spam are the likely results.
Step 3: Segment Your Audience
Do not send the same SMS to every audience member. At minimum, apply these categories:
- Gender and age
- Geographic location
- Purchase history (purchased / never purchased / purchased again)
- Most recent interaction with the brand (active / inactive)
Step 4: Design the Copy and CTA
(This is explained in detail in the next section.)
Step 5: Conduct an A/B Test Before Mass Sending
First, divide 10% of your list into two groups and send two different versions. After two hours, send the winning version to the remaining 90%.
Step 6: Prepare the Infrastructure
Before sending, make sure that:
- The link inside the SMS works properly on mobile
- The landing page is optimized for mobile
- The website server can handle sudden traffic
- The customer support team is ready
Measuring the Success of an SMS Campaign
If you cannot measure the results, you cannot improve them. Track these KPIs for every campaign:
- Delivery Rate: It should be at least 95%. Anything lower indicates a problem with the phone-number database.
- Open Rate: Above 85% is normal for SMS. If it is lower, the timing or sender may be the problem.
- CTR (Click-Through Rate): Between 15–45%, depending on the industry. This is the most important indicator of copy quality.
- Conversion Rate: The percentage of people who clicked and completed the desired action (purchase, registration, or call).
- Opt-out Rate: Above 2% is a serious warning. It means recipients consider the SMS messages intrusive.
- Final ROI: Revenue generated by the campaign divided by the total sending cost. The minimum target should be 5:1.
Common Mistakes You Should Avoid
This is the part competitors may not tell you — and it could save your campaign:
- Mistake #1: Sending Too Frequently
Sending more than 2–4 SMS messages per month to the same recipient can significantly increase the opt-out rate. Send less, but make each message better. - Mistake #2: Sending an SMS Without Clear Value
“Stay with us” or “Check out our new products” do not provide enough value. Customers should know what they will miss if they ignore the message. - Mistake #3: The Landing Page Is Not Ready
The user clicks the link, but the page loads slowly or has nothing to do with the SMS copy. This is the most common reason for a low conversion rate. - Mistake #4: Not Providing an Opt-Out Option
Recipients should be able to unsubscribe easily. Hiding this option is not only unethical but can also damage the brand in the long run. - Mistake #5: Ignoring A/B Testing
Most Iranian businesses create one version and send it immediately. Even a simple test between two different headlines can improve CTR by 30%.