Sorted by starting price

7 Cheapest SMS Marketing Software of 2026

By the Rankozo research desk · Updated November 9, 2026

Among the 9 tools in our best sms marketing software ranking, Omnisend has the lowest verified paid starting price at $11.20 per month, introductory for 3 months. Prices below are quoted from each vendor's US pricing page.

1. 01

   Omnisend

   Online stores that want email and SMS in one tool at a low entry price.

   Free plan; Standard from $11.20 per month for the first 3 months; SMS from $0.007 per message for high-volume US sends

   Full entry, No. 3 overall

   Starts at

   $11.20

   Score 8.6

2. 02

   EZ Texting

   Budget-minded small businesses with up to 500 contacts that can pay yearly.

   Launch from $25 per month, or $20 per month billed annually, with 500 monthly credits; overage credits $0.04; $5 monthly telecom fee on Launch

   Full entry, No. 1 overall

   Starts at

   $20

   Score 8.7

3. 03

   Klaviyo

   Stores that want SMS tied to deep customer data and email in one account.

   Free plan with $5 of mobile messages per month; Email from $20 per month; Marketing from $25 per month; SMS is an add-on on paid plans

   Full entry, No. 7 overall

   Starts at

   $20

   Score 8.2

4. 04

   SimpleTexting

   Small businesses that want clear pricing, a few team seats and rollover credits.

   From $29 per month for 500 credits, plus $10 per month for a local number; 20% off on yearly billing; extra credits 5.5 cents each

   Full entry, No. 2 overall

   Starts at

   $29

   Score 8.7

5. 05

   SlickText

   Small businesses that want live phone support and unlimited contacts at the entry price.

   From $29 per month for 500 credits; yearly billing gives 2 months free; free start with no credit card

   Full entry, No. 5 overall

   Starts at

   $29

   Score 8.6

6. 06

   Textedly

   Businesses that want one feature set and many volume steps to choose from.

   From $29 per month for 500 messages; annual billing adds 20% more messages; tiers up to 300,000 messages

   Full entry, No. 6 overall

   Starts at

   $29

   Score 8.5

7. 07

   Postscript

   Shopify stores that want the lowest per message rate and order-based segments.

   Starter $0 per month with a $49 monthly minimum spend at $0.009 per SMS; Growth $100 per month; Professional $500 per month; carrier fees extra

   Full entry, No. 4 overall

   Starts at

   $49

   Score 8.6

Scores and prices come from our Best SMS Marketing Software ranking, which uses one method for every tool. Questions or corrections: editorial@rankozo.com