Postscript vs Sellfy
Postscript and Sellfy solve very different problems. Postscript is a laser-focused SMS marketing tool for Shopify stores. Sellfy is a simple, all-in-one platform for creators to sell anything.
Best for: Shopify stores ready to make SMS a top revenue driver, E-commerce brands wanting AI-optimized, high-ROI text campaigns
Best for: Creators selling digital products like courses, music, or art, Entrepreneurs starting a new online store with minimal budget
Shopify's SMS specialist for serious ROI.
We found Postscript to be a powerful, dedicated SMS marketing tool built exclusively for Shopify. Its focus on compliance, AI-driven optimization, and strategic support makes it a top choice for brands ready to invest in a high-return channel. Overall, it's an excellent, niche solution for Shopify merchants prioritizing SMS revenue growth.
Pros
- Deep SMS-only expertise and strategic support
- High reported average ROI (34x)
- Powerful AI for message optimization (Infinity Testing)
- Strong built-in compliance and legal support
Cons
- Only works with Shopify stores (no other platforms)
- Specialized pricing may not suit very tight budgets
- Not an all-in-one marketing suite; requires other tools for channels beyond SMS
- Limited accessible external review sentiment for this specific platform
Zero fees, simple selling for creators.
We found Sellfy to be an incredibly efficient, all-in-one platform tailored for creators who prioritize simplicity and cost savings. Its zero-transaction-fee model and built-in marketing tools offer exceptional value, starting at just $22 per month when billed annually. Overall, we confidently recommend Sellfy for easily scaling digital or physical product sales while maintaining total control.
Pros
- No platform transaction fees, improving profitability immediately.
- Extremely fast setup and user-friendly interface for first-time sellers.
- Supports digital, subscriptions, physical, and high-quality print-on-demand products.
- Includes essential growth tools like affiliate marketing and conversion features.
Cons
- Limited payment processing options (primarily Stripe and PayPal Business).
- Store designer offers basic functionality for advanced users seeking complex customization.
- Users report difficulty when trying to implement additional languages.
- Custom shipping labels cannot be fully branded.
AboutPostscript
✨ Postscript is a dedicated SMS marketing platform built specifically for Shopify stores. It's for ecommerce brands that want to move beyond generic blasts and build a profitable, conversational channel with their customers.
The service combines specialized software with a strategic team of SMS experts. Their goal is to transform your list into a reliable, high-ROI revenue stream through compliant and effective messaging.
AboutSellfy
Sellfy is an ideal, all-in-one platform built specifically for skilled creators and modern online businesses. It focuses on simplicity without sacrificing the results you need. If you hate complexity, Sellfy makes getting started easy.
You can upload and sell almost anything right away. This includes digital downloads like courses, music, art, and videos. You can also manage complex needs like physical products inventory or use the simple print-on-demand service. Sellfy helps you replace multiple tools with one efficient dashboard. 💡
Highlights
Feature Comparison
Features Overview
We highlight the main differences and pick a winner for each feature.
Core Purpose
Postscript is a dedicated SMS marketing tool. Sellfy is a complete e-commerce platform.
Postscript focuses solely on making SMS your most profitable channel for Shopify stores. Their AI-powered Infinity Testing optimizes every text message for maximum ROI. Sellfy provides everything you need to sell products online: a storefront, checkout, and marketing tools. You can sell digital downloads, physical goods, and print-on-demand items. The key difference is focus versus breadth. Postscript aims to dominate one channel. Sellfy aims to be your entire sales foundation. If you need an SMS engine, choose Postscript. If you need a store, choose Sellfy.
Platform Integration
Postscript is built exclusively for Shopify. Sellfy works on any website via embedding.
Postscript is designed for one ecosystem: Shopify. Integration is seamless but exclusive. You must be on Shopify to use it. Sellfy works everywhere. You can build a standalone store or embed product widgets and a full cart onto an existing website. No technical skills are required. This makes Postscript a powerful but closed system. Sellfy is flexible and platform-agnostic. Shopify merchants get deep integration with Postscript. Everyone else can use Sellfy.
Pricing Model
Postscript has a free plan plus usage fees. Sellfy has monthly subscriptions based on sales volume.
Postscript pricing starts at $0/month with a $49 minimum spend. You pay per message sent, plus small carrier fees. There's also a $750/month option for a dedicated short code. Sellfy pricing is tiered: $22, $59, or $119 per month (billed annually). Your plan depends on your annual sales volume ($10k, $50k, $200k). There are zero transaction fees. Postscript costs scale with message volume. Sellfy costs scale with your revenue. For low SMS volume, Postscript can be very affordable. For high sales volume, Sellfy's flat fees protect your margins.
Marketing Tools
Postscript excels at SMS campaign automation. Sellfy includes email marketing and affiliate programs.
Postscript offers powerful SMS-specific tools: automated flows, AI-driven A/B testing (Infinity Testing), and a conversational AI assistant. It's built to maximize engagement via text. Sellfy includes a broader marketing suite. You get email marketing with free credits, product upselling, cart abandonment recovery, and an affiliate program out of the box. Postscript's tools are deeper for one channel. Sellfy's tools cover more channels. Choose Postscript for SMS mastery. Choose Sellfy for multi-channel marketing from day one.
Ease of Use
Both are designed for simplicity, but in different contexts.
Postscript is built for Shopify, making setup and integration straightforward for those merchants. They provide strategic support to help you launch campaigns. Sellfy is praised for its incredibly fast and user-friendly store setup. You can start selling digital products in minutes with no coding. Both platforms eliminate complexity in their respective areas. Postscript simplifies SMS marketing. Sellfy simplifies starting an online store. Your choice depends on what you're trying to simplify: texting customers or selling products.
Value for Money
Value depends entirely on your business model and primary needs.
Postscript's value comes from its potential 34x ROI on SMS spend. It's an investment in a high-performing revenue channel. The free starter plan lowers the barrier to entry. Sellfy's value is in its zero transaction fees and bundled tools. You avoid the monthly costs of separate email, store, and marketing software. Plans start at just $22/month. Postscript offers specialized value. Sellfy offers all-in-one savings. Calculate based on your main goal: SMS revenue or overall operating costs.
Postscript pricing: Postscript offers tiered subscription plans starting at $0/month with a usage-based messaging model. Costs are driven by a monthly platform fee plus per-message rates for SMS and MMS communications.
Scales from new startups to large enterprise operations. Only available to Shopify stores.
No hidden fees. Contact sales for customized plans.
Sellfy costs between $22 and $119 per month (when billed yearly) with three plans: Starter at $22/month, Business at $59/month, and Premium at $119/month.
These plans are designed to scale alongside your business growth. When you choose annual billing versus monthly, you will save 25% on your total subscription cost.
Starter
Price: $22/mo (billed annually) or $29/mo (monthly) Best For: Creators starting to sell online Refund Policy: 30-day money-back guarantee Other Features:
- Up to $10k in sales per year
- Unlimited products (downloads, subscriptions, merch)
- Email marketing with 2,000 free credits
- Maximum product file size is 10GB
- 0% transaction fees
- Sell downloads, subscriptions, and merch
- Unlimited products
- Email marketing (2,000 credits)
- Core marketing features
- 0% transaction fees
- All core features
- Email marketing (10,000 credits)
- Custom fields
- Growth features (Product upselling, Cart abandonment, Affiliate marketing)
- 0% transaction fees
- All Business features
- Email marketing (50,000 credits)
- Advanced options
- Product and design migration
Pricing Notes
- Postscript offers a $100 credit for a 30-day trial. Sellfy offers a 14-day free trial with no credit card required.
- Postscript has a free Starter plan ($0/mo) but requires a $49 minimum message spend. Sellfy's cheapest plan is $22/month (billed annually).
- Postscript charges per message plus carrier fees. Sellfy charges a flat subscription with zero transaction fees.
- If you exceed your sales cap on Sellfy, you may face a 2% overage fee. Postscript simply charges for the messages you send.
Pricing Head-to-Head
User Reviews
Based on the available snippets, Trustpilot reviews for Postscript focus on antique furniture, not the SMS platform, indicating a brand name conflict. Capterra snippets were blocked, so no substantive reviews for the platform are accessible. 🤔 This limits our ability to synthesize external user sentiment. For this review, we're leaning heavily on the provided website content and our own analysis to form a balanced assessment.
The team is incredibly knowledgeable about SMS marketing. They helped us build a strategy that directly increased our sales. It's been a game-changer for our revenue.
Reviewers overwhelmingly praise Sellfy for its user-friendliness and affordable structure, highlighting that setup, product uploading, and sales management are quick and easy, even for first-time sellers. Customers frequently mention the platform’s great pricing, noting it's more affordable than competitors because it charges no transaction fees.
Users value its comprehensive features, which successfully support digital products, subscriptions, and even reliable print-on-demand services. Customer support is consistently commended for being helpful and responsive; specific staff members received praise for their timely assistance.
This is the best platform I’ve tried for my mini business. It offers a full set of features for digital, physical, and print-on-demand products. The functionality, speed, and instant money transfer are all perfect.
Our Verdict
Postscript and Sellfy aren't really competitors—they solve different problems. If you're on Shopify and want to master SMS, Postscript is your focused tool. If you need a simple store to sell anything, Sellfy is your answer. Postscript's superpower is turning your SMS list into a 34x ROI machine. Its AI testing and compliance tools are unmatched for Shopify text marketing. Sellfy's superpower is being an affordable, all-in-one home for creators. Zero transaction fees and easy product uploads let you start selling in minutes. The deciding factor is your core need. Do you need to grow a Shopify store with powerful texts? Or do you need a basic store to sell digital downloads? Choose Postscript to dominate SMS for your Shopify brand. Choose Sellfy to launch a simple, cost-effective online business selling any product.
Frequently Asked Questions
Which is better for small teams: Postscript or Sellfy?
It depends on your business model. A small Shopify team focused on marketing would benefit from Postscript's SMS expertise. A small creator team selling digital goods would find Sellfy's simple store and low fees more useful.
Does Postscript have email marketing like Sellfy?
No, Postscript is dedicated solely to SMS marketing. Sellfy includes a full email marketing suite with free credits on all plans.
Is Sellfy worth the extra cost over Postscript's free plan?
Yes, if you need an e-commerce storefront. Postscript's free plan is for SMS marketing, not selling products. Sellfy's $22/month plan gives you a complete store with zero transaction fees.
Can I use both Postscript and Sellfy together?
Not directly. Postscript is built exclusively for Shopify stores. Sellfy is a standalone platform. You would need to use them separately for different parts of your business.
Which platform has better customer support?
Both are highly rated. Postscript offers strategic support from SMS experts. Sellfy provides 24/7 email help with priority support on higher plans.
How do their pricing models differ?
Postscript charges based on how many messages you send. Sellfy charges a flat monthly fee based on your annual sales volume, with no extra transaction fees.
Ready to Choose?
Both tools have their strengths. Choose based on your specific needs.