SMS marketing continues to deliver the highest engagement rates of any marketing channel in Sri Lanka. With open rates exceeding 98% and average response times under 3 minutes, SMS offers Sri Lankan businesses a direct line to their customers.
SMS Marketing Benchmarks 2026
Based on aggregated data from TXTMSG gateway and industry reports, here are the key benchmarks for Sri Lankan SMS marketing:
| Metric | SMS | Push Notification | |
|---|---|---|---|
| Open Rate | 98% | 22% | 85% |
| Click-Through Rate | 19% | 3% | 7% |
| Average Response Time | 90 seconds | 90 minutes | 5 minutes |
| Conversion Rate | 8.2% | 1.5% | 3.8% |
| Cost per 1,000 Messages | LKR 590 | ~LKR 100 | Free |
Why SMS Marketing Works in Sri Lanka
Sri Lanka has one of the highest mobile penetration rates in South Asia at over 140% (multiple SIM cards per person). Combined with lower smartphone penetration compared to developed markets, SMS reaches every mobile user regardless of device type or internet connectivity.
ROI Calculation for Sri Lankan Businesses
Here is a sample ROI calculation for a Sri Lankan retail business running an SMS campaign:
- Campaign Cost: LKR 5,900 (10,000 SMS at LKR 0.59/SMS)
- Delivery Rate: 99.5% (9,950 delivered)
- Conversion Rate: 8.2% (816 conversions)
- Average Order Value: LKR 3,500
- Revenue Generated: LKR 2,856,000
- ROI: 48,300%
Best Practices for High-ROI SMS Campaigns
- Segment Your Audience — Send targeted messages based on customer behavior and preferences
- Timing Matters — Best send times in Sri Lanka are 10 AM-12 PM and 4 PM-7 PM weekdays
- Personalize Messages — Include customer name and relevant information
- Clear Call-to-Action — Every message should have one clear next step
- Track Everything — Use URL shorteners and UTM parameters to measure campaign performance
FAQ
What is the average SMS open rate in Sri Lanka?
SMS open rates in Sri Lanka average 98%, significantly higher than email (22%) and push notifications (85%).
How much does SMS marketing cost in Sri Lanka?
With txtmsg.lk, SMS marketing costs from LKR 0.59 per message. A campaign of 10,000 messages costs approximately LKR 5,900.
Is SMS marketing effective in Sri Lanka?
Yes. With 8.2% average conversion rates and 98% open rates, SMS marketing offers the highest ROI of any digital channel in Sri Lanka.