Plenti AI vs Postscript SMS Marketing
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Feb 18, 2026 for Plenti AI, Nov 9, 2026 for Postscript SMS Marketing.
The short answer
- Postscript SMS Marketing lists 14 features Plenti AI’s listing doesn’t mention, including A/B testing, Cart recovery, Compliance.
Head to head
Create, launch, and manage your SMS Text marketing program
- United States
- Canada
- United Kingdom
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
Starter
- · Campaigns and automations
- · Help center access
- · Integrations
- · Reporting
- · Subscriber acquisition tools
- · Unique toll-free number
Growth
- · All of Starter, plus:
- · Live chat and email support
- · Unlimited opt-in Keywords
Professional
- · All of Growth, plus:
- · Branded short link
- · Custom integrations
- · Customizable opt-in tools
- · Dedicated CSM
- · Onboarding specialist
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featurePlenti AI is a platform that allows you to communicate with your customers through an AI chatbot via SMS/text messaging. Customers who opt in at checkout will be entered into one of your Plenti AI campaigns. The customer can then communicate directly with your AI chatbot via SMS/text messaging.
Postscript is the AI Retention Platform for Shopify brands. Grow your list with patented Onsite Opt-in, then turn subscribers into repeat buyers with SMS, RCS, and email. Shopper, our agentic marketing suite, answers questions, recommends products, and sends 1:1 messages 24/7. Infinity Testing keeps every campaign and flow improving on its own, and Brand Center keeps AI on-brand.
- Checkout sms marketing
- AI sms chatbot
- Custom sms delivery
- Drive traffic and sales with personalized SMS campaign and automation flows
- Track revenue and ROI to optimize conversion rates for your SMS programs
- Manage and respond to text conversations with your subscribers
- Engage audiences with personalized messages using your historical Shopify data
All the numbers
Every figure, side by side
A green dot marks the app ahead on a measured figure. Estimates, gaps and apps that leave no storefront trace never take the lead.
Adoption
| Measure |  Plenti AI |  Postscript SMS Marketing |
|---|---|---|
| Detected stores | Not published | 12,769 |
| Net store change, 28 days | 0 | +133 |
| Stores added, 28 days | Not enough data | 133 |
| Big-brand share | Not enough data | 24% |
| Top store categories | Not published | Apparel & Accessories, Health & Beauty, Home & Garden |
| Top store countries | Not published | United States, Canada, United Kingdom |
Reviews
| Measure | Plenti AI | Postscript SMS Marketing |
|---|---|---|
| App Store rating | Not published | 4.7 ★ |
| App Store reviews | Not published | 1,204 |
| New reviews, 28 days | Not enough data | 0 |
| Reviewers a year or more in | Not enough data | Not enough data |
Pricing
| Measure | Plenti AI | Postscript SMS Marketing |
|---|---|---|
| Free plan | Not listed | Not listed |
| Lowest paid monthly plan | No monthly plan listed | $100/month |
| Longest free trial | Not listed | 30 days |
| Plans listed | Not published | 3 |
Listing
| Measure | Plenti AI | Postscript SMS Marketing |
|---|---|---|
| Shopify category rank | Not enough data | #13 |
| Shopify App Charts | Not on this week’s charts | #59 on the Shoplist 100 |
| Built for Shopify | No | No |
| Launched | Apr 8, 2024 | Sep 26, 2018 |
| Languages | Not published | 1 |
| Developer | Plenti AI | Postscript |
FAQ
Plenti AI and Postscript SMS Marketing: common questions
- What features does each app list that the other doesn’t?
- Postscript SMS Marketing lists 14 the others don’t mention, such as A/B testing, Cart recovery, Compliance, One-time password (OTP). A feature missing from a listing may still be supported; this compares what each App Store listing says.
- Where does this comparison’s data come from?
- Shoplist crawls Shopify storefronts to detect which apps each store runs, and reads each app’s Shopify App Store listing for reviews, pricing, features and integrations. Store counts are as of Feb 18, 2026 for Plenti AI, Nov 9, 2026 for Postscript SMS Marketing; estimated figures are labeled.
How Shoplist compares apps
Store counts come from Shoplist’s crawl of Shopify storefronts, which detects the apps each store runs; they are as of Feb 18, 2026 for Plenti AI, Nov 9, 2026 for Postscript SMS Marketing. Reviews, ratings, plans, features and integrations come from each app’s Shopify App Store listing. 28-day figures are labeled when estimated, and a figure that is missing or estimated never decides who leads. Read the methodology.