Kit (ConvertKit) vs Postscript: Email & SMS Marketing Comparison (2026)
Kit (ConvertKit) and Postscript both offer free tiers, but cater to different marketing needs. Kit (ConvertKit) focuses on email marketing with robust automation and e-commerce features, while Postscript specializes in SMS marketing.
AI Citation Scorecard
How often each is cited by major AI engines when buyers ask email & sms marketing questions. Last 90 days across ChatGPT, Perplexity, Gemini, Claude, and Copilot.
Probes run hourly; each (engine × query) combo retests every ~3 days.
Pricing
Key Features
- ✓1 basic Visual Automation
- ✓Unlimited landing pages & forms
- ✓Unlimited email broadcasts
- ✓Audience tagging & segmentation
- ✓Sell digital products & subscriptions
- ✓Unlimited Visual Automations
- ✓Unlimited email sequences
- ✓24/7 email & chat support
- ✓Campaigns and automations, unlimited segments
- ✓Dedicated toll-free number
- ✓Subscriber acquisition tools
- ✓Branded short link subdomain
When to choose Kit (ConvertKit)
Kit (ConvertKit) is a suitable choice for users primarily focused on email marketing, lead generation through landing pages, and selling digital products. Its strengths lie in email automation, audience segmentation, and content broadcasting. The platform is also beneficial for users who require integrations with AI tools like ChatGPT, Claude, and Gemini, as well as social media platforms like Facebook and RSS feeds.
When to choose Postscript
Postscript is better suited for businesses prioritizing SMS marketing. Its key features like a dedicated toll-free number, subscriber acquisition tools, and branded short link subdomain are specifically designed for text-message-based campaigns and automations. It is a good option for businesses that need to leverage SMS for direct customer engagement and do not require extensive email marketing capabilities or third-party integrations beyond its core SMS functions.