TxtCart vs Postscript
Choose TxtCart if you want AI-assisted SMS conversations and cart recovery with a $29 monthly starting plan; choose Postscript if you want a Shopify-focused SMS program with no Starter platform fee and a $49 monthly minimum spend. Both offer campaigns, automations, subscriber acquisition tools, and two-way messaging. Compare their usage charges as well as their plan prices: TxtCart sets order thresholds for its listed plans, while Postscript prices messaging separately from its platform fees and carrier charges.
Last updated October 31, 2026.
At a glance
| Dimension | TxtCart | Postscript |
|---|---|---|
| Starting plan | Starter: $29/month | Starter: $0 platform fee; $49 monthly minimum spend |
| Plan thresholds | Starter: up to 500 orders/month; Growth: 2,000; Pro: 5,000 | Order thresholds not published |
| AI conversation pricing | AI Agent: $0.99 per resolution | AI Plan: $699/month plus per-message rates |
| Human-led service | P2P Cart Recovery: 10% of recovered sales | Postscript Plus managed service; price not published |
| Platforms | Shopify and Shopify Plus supported in help documentation | Shopify installation; SDK documented for headless shops |
| Starter SMS rate | $0.011 per SMS segment plus carrier fees | $0.009 per SMS plus carrier fees |
| Free trial | 14 days with usage credits | 30 days with $100 usage credit |
| Subscriber segmentation | Starts on Growth | Unlimited segments on Starter |
| Popups | Included on all plans for up to 5,000 visitors/month | Subscriber acquisition tools on all marketing plans |
| Integrations | CartHook and Zipify documented | Klaviyo, Gorgias, Triple Whale, and Zipify listed |
| Support | 24/7 live chat; dedicated success manager on Pro | Help Center on Starter; live chat and email on Growth |
| Additional messaging channels | RCS and WhatsApp early access on custom plan | RCS option on Enterprise |
Scroll the table sideways to compare each row.
Which should you choose?
Choose TxtCart if
- Teams wanting an AI Agent on the starting plan
- Stores prioritizing conversational cart recovery
- Merchants seeking optional human-led cart follow-up
- Teams needing 24/7 live chat support
Choose Postscript if
- Shopify merchants seeking no Starter platform fee
- Teams wanting unlimited segments on Starter
- Brands building SMS campaigns in a visual Flow Builder
- Merchants needing API access on the Professional plan
The verdict
The deciding factor is how you plan to run SMS. TxtCart fits a team that wants an AI Agent in its starting plan, with optional human-led cart recovery; its AI resolutions and human-led recovery have separate charges. Postscript fits a Shopify merchant that wants to begin without a platform fee, or build around its Flow Builder and response-management tools. Check the relevant plan tier before choosing: segmentation starts on TxtCart Growth, while Postscript includes unlimited segments on Starter.
TxtCart vs Postscript: common questions
- Is this comparison worth publishing?
- Yes. TxtCart and Postscript both offer purchasable SMS marketing products for ecommerce merchants, with substantial overlap in campaigns, automations, and conversations.
- Which costs less to start, TxtCart or Postscript?
- TxtCart lists Starter at $29 per month. Postscript lists a $0 Starter platform fee but requires a $49 monthly minimum spend. Messaging and carrier charges affect the total cost of either product.
- Do both offer free trials?
- Yes. TxtCart publishes a 14-day trial with usage credits; Postscript publishes a 30-day trial with a $100 usage credit.
- Can both recover abandoned carts by text?
- Yes. TxtCart includes cart and checkout recovery flows and offers optional human-led cart recovery. Postscript includes cart-abandonment automation templates.
- How do their AI offerings differ?
- TxtCart includes an AI Agent on Starter and charges $0.99 per resolution. Postscript lists a separate $699-per-month AI Plan with additional per-message rates.
- Which offers segmentation on the starting plan?
- Postscript includes unlimited segments on Starter. TxtCart lists subscriber segmentation beginning with Growth.
- Do TxtCart and Postscript integrate with other ecommerce tools?
- Yes. TxtCart documents CartHook and Zipify integrations. Postscript lists integrations including Klaviyo, Gorgias, Triple Whale, and Zipify.
- Do I need a Shopify store to use either product?
- Both document Shopify use. TxtCart's help documentation names Shopify and Shopify Plus as supported platforms, while its website advertises an expanding platform range. Postscript documents a headless-shop SDK; merchants using another store platform should confirm setup requirements before buying.