# Postscript

> Compliance-first SMS marketing platform that drives revenue for Shopify brands

- **Canonical URI:** https://www.vioscale.ai/software/postscript
- **Category:** SMS Marketing
- **Homepage:** https://www.postscript.io
- **Also known as:** postscript
- **Profile claimed by vendor:** no
- **Last updated:** 2026-08-20T13:02:40.781Z

## Vioscale score

**69.7 / 100**, confidence 25% (low). Computed 2026-09-01. _(updating — computed under an earlier model version or past its freshness window.)_

Composite of weighted, independently-sourced signals (no user reviews, no vendor payment).

| Signal | Score | Weight | Contribution | Evidence present |
|---|--:|--:|--:|:--:|
| price_level | 100 | 0.052 | 5.2 | ✓ |
| reliability | 0 | 0.073 | 0 | - |
| capabilities | 0 | 0.04877777777777778 | 0 | - |
| integrations | 20.1 | 0.04066666666666666 | 0.8 | ✓ |
| security_posture | 10 | 0.073 | 0 | - |
| pricing_transparency | 75 | 0.084 | 6.3 | ✓ |

## Pricing

_As of 2026-08-20, [verify at source](https://postscript.io/pricing). Independently observed._

from $0/mo · Hybrid · 30-day trial

> $0–$500/mo + SMS charges. Free 30-day trial with $100 credit.

| Plan | Price | Free | Commitment |
|---|---|:--:|---|
| Starter | Pay-as-you-go ($49/mo minimum) + $0.009/SMS, $0.045/MMS + carrier fees | - | monthly |
| Growth | $100/mo + $0.008/SMS, $0.03/MMS + carrier fees | - | monthly |
| Professional | $500/mo + $0.007/SMS, $0.024/MMS + carrier fees | - | monthly |
| Enterprise | Contact sales | - | - |

### Starter

For brands just getting started with SMS

- Campaigns and automations with unlimited segments
- Dedicated toll-free number
- 2 opt-in keywords
- Branded short link subdomain
- Subscriber acquisition tools

### Growth

For brands building their SMS program

- All Starter features
- Unlimited opt-in keywords
- Live chat and email support

### Professional

Most popular - for brands scaling SMS as a revenue channel

- All Growth features
- Enhanced analytics
- Priority live chat/email support
- API access for custom integrations

### Enterprise (Contact sales)

Custom pricing and dedicated support

- Priority live chat support
- Custom pricing

### Add-ons

- **Designated Short Code (DSC)** ($750/mo)
- **CashBack**
- **Postscript Plus (Managed Service)**

## About

An SMS and messaging service built for ecommerce merchants on Shopify, featuring campaign automation, subscriber segmentation, response management, and built-in compliance safeguards to meet TCPA and carrier requirements.

_Independently observed._

## Platform & deployment

- **Platforms:** Web
- **Deployment:** Cloud / SaaS

## Integrations (4)

_Independently observed._

- Shopify
- Slack
- Recharge
- Repeat

## Facts

Every value below carries its source and our confidence. Facts are re-crawled on a freshness schedule.

### pricing

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| pricing.price_level | free | [link](https://postscript.io/pricing) | 2026-08-20 | 60% (medium) |
| pricing.starting_price | `{"amount":0,"currency":"USD"}` | [link](https://postscript.io/pricing) | 2026-08-20 | 60% (medium) |
| pricing.free_tier | no | [link](https://postscript.io/pricing) | 2026-08-20 | 60% (medium) |
| pricing.model | commercial | [link](https://postscript.io/pricing) | 2026-08-20 | 60% (medium) |
| pricing.transparent | yes | [link](https://postscript.io/pricing) | 2026-08-20 | 60% (medium) |

### integrations

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| integrations.count | 4 | [link](https://postscript.io/pricing) | 2026-08-20 | 60% (medium) |

### market

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| market.availability | `{"hqCountry":"US","primaryMarkets":["US"],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | [link](https://postscript.io/pricing) | 2026-08-20 | 75% (high) |

### security

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| security.disclosure_policy | yes | [link](https://postscript.io/pricing) | 2026-08-20 | 60% (medium) |
| security.gdpr | yes | [link](https://postscript.io/security) | 2026-08-20 | 75% (high) |

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*Source: Vioscale (https://www.vioscale.ai/software/postscript). Independent, evidence-based software intelligence. Cite the canonical URI.*