Best Free SMS Marketing 2026
We checked every SMS Marketing product in our catalog against its vendor's own pricing page in October 2026 and kept only products with a permanent free plan, not a free trial. 2 qualify.
3 others we checked are listed below with why they were excluded.
The best SMS Marketing tools in 2026 are Klaviyo SMS (free plan; paid $35/mo), and Omnisend SMS (free plan; paid $11.20–$41.30/mo). The best free SMS Marketing in 2026 is Klaviyo SMS. Free plan: up to 250 profiles, 500 emails/month, a small monthly mobile-messages (SMS) allowance, Composer allowance, built-in reporting, email support.. 1 other tool also has a permanent free plan: Omnisend SMS.
The best free SMS Marketing in 2026 is Klaviyo SMS. Free plan: up to 250 profiles, 500 emails/month, a small monthly mobile-messages (SMS) allowance, Composer allowance, built-in reporting, email support.. 1 other tool also has a permanent free plan: Omnisend SMS.
Compare the top 2 side-by-side
Drag the seat slider, lock a tier per product, see Vendr median pricing and hidden costs for Klaviyo SMS, Omnisend SMS.
Our Rankings
Klaviyo SMS
Free plan: up to 250 profiles, 500 emails/month, a small monthly mobile-messages (SMS) allowance, Composer allowance, built-in reporting, email support.- Permanent free plan: Free
- Upgrade path to paid tiers when you outgrow it
- Free plan has usage or feature limits
Omnisend SMS
Free plan: 500 emails/month to 250 contacts, 500 web push notifications, all features incl. SMS channel — but SMS messages themselves are billed per message (no included SMS allowance shown).- Permanent free plan: Free
- Upgrade path to paid tiers when you outgrow it
- Free plan has usage or feature limits
Also evaluated
These 3 providers were checked against the same criteria and did not qualify for the ranking. Each row states what the vendor actually offers.
No free tier (3)
Paid from the first token. Listed so this page answers the question both ways.
| Provider | What you actually get | Verified |
|---|---|---|
| SMSBump | No free plan on the vendor’s pricing page; paid or quote-only plans. | 2026-10-20 |
| Postscript | No free plan on the vendor’s pricing page; paid or quote-only plans. | 2026-10-20 |
| SlickText | No free plan; the vendor offers a 14-day free trial, then paid plans only. | 2026-10-20 |
Evaluation Criteria
- free tier
- features
- usage limits
- upgrade path
How We Picked These
We evaluated 5 products and ranked the top 2 (last researched 2026-10-20).
What you actually get at $0
Core functionality available on free plan
Users, storage, and usage caps on free tier
Pricing and value of paid plans when ready
Setup time and learning curve
Frequently Asked Questions
01 What is the best free SMS Marketing?
Klaviyo SMS has the best free plan among the SMS Marketing tools we track. Omnisend SMS is also worth considering.
02 Is a free trial the same as a free SMS Marketing plan?
No. A free trial ends after a set number of days; a free plan stays free with limits. This page lists only permanent free plans, checked on each vendor’s own pricing page.
03 When should I upgrade from a free SMS Marketing plan?
Upgrade when you hit the free plan’s user, volume or feature limits, or need support and admin controls that only paid tiers include.
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