Re-tested November 2026 · rated by Mara Levin · 0 paid placements
Shopify SMS with revenue attribution, conversational flows and list health taken seriously.
SMS as a revenue channel, not a discount cannon.
Shopify DTC brands.
from ~$100/mo + usage
Shopify-only.
Postscript's overall 8.7/10 in SMS marketing breaks down across the four Stackranked criteria as follows. Grades are the reviewer's qualitative assessment per criterion; the overall score is the weighted editorial rating.
| Criterion | Weight | Postscript | Evidence from testing |
|---|---|---|---|
| Hands-on testing on real campaigns | 40% | strong | SMS as a revenue channel, not a discount cannon. |
| Real pricing at real usage volumes | 25% | excellent | Priced at from ~$100/mo + usage (approximate, November 2026). No free tier changes the evaluation math — the trial period has to prove it. |
| Output quality vs. the category leader | 20% | solid | Shopify SMS with revenue attribution, conversational flows and list health taken seriously. |
| Support, docs and speed of fixes | 15% | excellent | Scored from real tickets, docs and response times during the SMS marketing re-test. |
Postscript ranks #1 of the 5 tools we recommend in SMS marketing (November 2026 re-test). The full field:
| Rank | Tool | Score | Pricing (approx) |
|---|---|---|---|
| #1 | Postscript | 8.7/10 | from ~$100/mo + usage |
| #2 | Attentive | 8.6/10 | custom, contract-led |
| #3 | Klaviyo SMS | 8.4/10 | usage-based add-on |
| #4 | Yotpo SMS | 8.2/10 | usage-based, entry-friendly |
| #5 | Sendlane | 7.9/10 | from ~$100/mo |
Postscript holds #1 at 8.7/10 while Attentive sits #2 at 8.6/10 in our SMS marketing testing. The case for Attentive: The enterprise SMS machine — list growth units and personalization at big-brand scale. Its honest limit: Sales-led contracts; SMBs will feel oversold.
Postscript holds #1 at 8.7/10 while Klaviyo SMS sits #3 at 8.4/10 in our SMS marketing testing. The case for Klaviyo SMS: SMS inside the flows you already run — one profile, one journey, email and text together. Its honest limit: SMS-specific depth trails the specialists.
Postscript holds #1 at 8.7/10 while Yotpo SMS sits #4 at 8.2/10 in our SMS marketing testing. The case for Yotpo SMS: Strong ecom SMS (the old SMSBump) with sharp flows and pricing. Its honest limit: Pulls you toward the wider Yotpo suite at every turn.
Postscript holds #1 at 8.7/10 while Sendlane sits #5 at 7.9/10 in our SMS marketing testing. The case for Sendlane: Email and SMS unified for ecom teams that want one vendor and hands-on support. Its honest limit: Smaller ecosystem than the leaders.
Postscript is built for shopify DTC brands. Its core strength: SMS as a revenue channel, not a discount cannon. In practice that means shopify-native triggers and data, conversational AI responses, and compliance tooling built in — the capabilities that earned its 8.7/10.
Postscript's honest limit, printed in every review we publish: Shopify-only. If that describes you, start with Attentive or Klaviyo SMS — the full field is in our SMS marketing ranking.
Postscript costs approximately from ~$100/mo + usage as of our November 2026 re-verification — pricing changes, so confirm on the vendor's site. Across the SMS marketing top five, 0 of 5 tools offer a free tier or free product, and 1 of 5 hide pricing behind custom or enterprise quotes (Attentive).
| Tool | Pricing (approximate, November 2026) |
|---|---|
| Postscript | from ~$100/mo + usage |
| Attentive | custom, contract-led |
| Klaviyo SMS | usage-based add-on |
| Yotpo SMS | usage-based, entry-friendly |
| Sendlane | from ~$100/mo |
Every tool in our SMS marketing ranking ran the same category brief on live accounts, scored by Mara Levin (lifecycle & retention lead) under the Stackranked methodology: hands-on testing on real campaigns (40%), real pricing at real usage volumes (25%), output quality against the category leader (20%), and support, docs and speed of fixes (15%). Scores were last re-tested in November 2026; every movement is logged in the changelog. Positions cannot be bought — 0 paid placements.
| Criterion | Weight |
|---|---|
| Hands-on testing on real campaigns | 40% |
| Real pricing at real usage volumes | 25% |
| Output quality vs. the category leader | 20% |
| Support, docs and speed of fixes | 15% |
Category context: SMS marketing platforms run the highest-attention channel in commerce: list growth with compliant consent, automated flows, campaign sends, conversational replies and revenue attribution. The field splits into Shopify-native leaders, enterprise growth machines, email-bundled options and generic broadcast tools.
Postscript scores 8.7/10 in Stackranked's SMS marketing testing (November 2026) — worth it for shopify DTC brands. The honest limit: Shopify-only.
Approximately from ~$100/mo + usage (November 2026). Pricing changes — verify on the vendor's site.
Shopify DTC brands. Core strength: SMS as a revenue channel, not a discount cannon.
No. Postscript had no free tier at our November 2026 re-test; pricing starts at approximately from ~$100/mo + usage.
In our SMS marketing testing, Postscript scores 8.7/10 vs Attentive's 8.6/10. Postscript wins for shopify DTC brands; Attentive wins when this fits: mid-market to enterprise retail.
Shopify-only.
November 2026, by Mara Levin under the Stackranked methodology. Scores are re-tested quarterly and every movement is logged in the public changelog.