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Postscript SMS Marketing vs TalkHeap Message
Side-by-side comparison
Postscript SMS Marketing
Grow your list and drive more revenue with 1:1 AI personalization across SMS, RCS, and email.
shopifyFree to install
TalkHeap Message
Turn customer activity into real conversations with two-way messaging.
shopifyFree plan available
At a glance
| Metric | Postscript SMS Marketing | TalkHeap Message |
|---|---|---|
| Rating | 4.7 ★ | — |
| Total reviews | 1.2k | 0 |
| Free plan | Yes | Yes |
| Pricing | Free to install | Free plan available |
| Pricing tiers | ★ 3 tiers | 2 tiers |
| Listed features | ★ 5 | 3 |
| Featured placements | 1 | — |
| Languages | 1 supported | 1 supported |
| Listed since | Sep 2018 | Mar 2025 |
AppRanks verdict
Generated from live data on this pageThe call
On the measured data here, Postscript SMS Marketing leads on more dimensions (3 vs 0). Pick TalkHeap Message if one of the points where it leads is what you need.
Where Postscript SMS Marketing leads
- More published reviews: 1,204 vs 0.
- Ranks higher in SMS marketing: #14 vs #110 of 197.
- Lists A/B testing, AI generation and APIs and webhooks (+43 more) in its marketplace category features; TalkHeap Message doesn't.
How this is generated
Built only from the Shopify App Store listing data shown on this page. AppRanks does not accept payment to influence comparisons. Read the methodology
Read each app's audit: Postscript SMS Marketing audit • TalkHeap Message audit
1. Listing metadata
Field-level data| Field | Postscript SMS Marketing | TalkHeap Message |
|---|---|---|
| Tagline | ||
| Listing audit | 90/100 listing audit | 80/100 listing audit |
| Screenshots | images | images |
| Languages | ||
| Platforms | ||
| Developer | ||
| Listed |
2. Pricing & plans
Marketplace-listed plans · paid plans cheapest first, not matched tier-for-tierTier
Postscript SMS Marketing
TalkHeap Message
Free plan
Free to install
Free
- Campaigns and automations
- Unlimited segments
- Unique toll-free number
- Reporting
- Integrations
- Subscriber acquisition tools
- Help center access
Free
Free
- Free Trial Free
Paid plans
Growth
- All of Starter, plus:
- Unlimited opt-in Keywords
- Live chat and email support
Professional
- All of Growth, plus:
- Onboarding specialist
- Dedicated CSM
- Priority support
- Custom integrations
- Customizable opt-in tools
- Branded short link
US Monthly Plan
- Send SMS, Email and WhatsApp message.
3. Features
As listed by each developerPostscript SMS Marketing
- Drive traffic and sales with personalized SMS campaign and automation flows
- Track revenue and ROI to optimize conversion rates for your SMS programs
- AI that stays on-brand, drives insights, and unlocks incremental revenue
- Engage audiences with personalized messages using your historical Shopify data
- Ensure your messages arrive quickly during even the heaviest traffic times
TalkHeap Message
- Automatic SMS and Email marketing campaign to customers.
- WhatsApp messaging service for marketing campaign.
- Customized workflow for abandoned cart.
4. Categories & rankings
Shared categories on the same row · in-category position inlinePostscript SMS Marketing
TalkHeap Message
Marketing#9 of 28
—
5. Category features
Marketplace-curated features per categorySMS marketing3 shared · 16 total
Only in Postscript SMS Marketing
- A/B testing
- Bulk messaging
- Compliance
- Conversion metrics
- Custom segments
- Opt-in
- ROI tracking
- Segmentation
- Templates
- Cart recovery
- One-time password (OTP)
- Welcome messages
- Win-back campaigns
Only in TalkHeap Message
None
Listed by both (3)
- Personalized messages
- Scheduled messages
- Two-way messaging
Email marketing1 shared · 37 total
Only in Postscript SMS Marketing
- Abandoned cart
- Back-in-stock emails
- Browse abandonment
- Cart emails
- Checkout emails
- Cross-sell emails
- Custom campaigns
- Discounts
- Drip campaigns
- Email campaigns
- Exit intent
- Follow-up emails
- Landing pages
- Newsletters
- Pop-ups
- Price drop emails
- Product recommendations
- Promotions
- SMS campaigns
- Upsell emails
- Welcome emails
- A/B testing
- AI generation
- Analytics
- APIs and webhooks
- Automations
- Consent collection
- Editor tool
- Reporting
- Segmentation
- SMS capture list
- Tagging
- Targeting
- Templates
- Tracking
- Triggers and rules
Only in TalkHeap Message
None
Listed by both (1)
- Email capture list
6. Search rankings
Top 5 keywords · shared rankings prioritized| Keyword | Postscript SMS Marketing | TalkHeap Message |
|---|---|---|
| sms marketing | #8 | Not ranked |
| sms marketing and notifications | #9 | Not ranked |
| sms marketing campaigns | #10 | Not ranked |
| messenger agent | Not ranked | #196 |
| messenger chat | Not ranked | #228 |
7. Featured placements & badges
Editorial visibilityPostscript SMS Marketing1 all-time · 1 recent
- category · Recommended marketing appsNovember 10, 2026
TalkHeap Message0 all-time · 0 recent
Not featured in any section recently.
8. Activity in the last 90 days
Tracked changes · pricing, features, copy, screenshotsPostscript SMS Marketing · 6 changes
- Oct 29descriptionListing copy updated
- Oct 29descriptionListing copy updated
- Oct 29descriptionListing copy updated
- Oct 29descriptionListing copy updated
- Oct 26descriptionListing copy updated
- Oct 21descriptionListing copy updated
TalkHeap Message · 4 changes
- Oct 29descriptionListing copy updated
- Aug 28descriptionListing copy updated
- Aug 28descriptionListing copy updated
- Aug 28descriptionListing copy updated
9. App details
Long-form descriptionPostscript SMS Marketing
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. Built-in compliance guardrails and expert support keep you protected. Email is rolling out to brands in phases.
TalkHeap Message
TalkHeap Message helps Shopify merchants connect directly with customers through personalized, two-way messaging. Get a dedicated business number to send texts, receive replies, call customers, and schedule follow-ups from one place. Stay connected with individual customers, answer questions, and follow up on sales opportunities without relying only on one-way marketing campaigns.
Frequently asked
Common questions about this comparisonIs Postscript SMS Marketing or TalkHeap Message cheaper?
Both Postscript SMS Marketing and TalkHeap Message offer a free plan. Postscript SMS Marketing lists no paid plan with a published price; TalkHeap Message lists no paid plan with a published price. Prices are as listed on the Shopify App Store; check what each tier includes in the Pricing section above.
Should I choose Postscript SMS Marketing or TalkHeap Message?
AppRanks cannot separate these two on rating, because neither publishes one. Postscript SMS Marketing does carry the larger published review base (1,204 vs 0). Read both apps' detail pages for the feature breakdown and recent listing changes.
Which is faster to set up, Postscript SMS Marketing or TalkHeap Message?
Both apps are one-click installs from the Shopify App Store. AppRanks doesn't measure setup time directly; Postscript SMS Marketing has more published reviews to read for user-reported install experience (1,204 vs 0).
Which works better for small vs large Shopify App Store merchants?
AppRanks cannot say which fits a larger or smaller operation — there is no store-size measurement in the Shopify App Store data. What it can show: Postscript SMS Marketing has 1,204 published reviews; TalkHeap Message has 0 published reviews. Compare plan limits and pricing tiers against your own volume.
Can I migrate data between Postscript SMS Marketing and TalkHeap Message?
Migration support varies by app and category. Postscript SMS Marketing and TalkHeap Message both publish their export options on their marketplace listing pages (or in their support docs); some apps offer one-click import from competitors, others require CSV. The fastest check: search "import from TalkHeap Message" in each app's help center. AppRanks does not track migration tooling directly — this is a category-specific capability worth verifying before commitment.
10. Other comparisons people make
Apps similar to each onevs Postscript SMS Marketing
vs TalkHeap Message
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