Attachab vs DigiKey HQ

In the fast-paced world of e-commerce, selecting the right tool to sell digital products is crucial for operational efficiency and customer satisfaction. This comparison between Attachab and DigiKey HQ ‑ Instant Delivery highlights the key differences to help merchants make an informed decision for their store.

Shopify Apps Digital Products Digital Downloads E-commerce Tools File Delivery License Keys Secure Hosting Customer Experience
Published
May 21, 2026
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Last updated
May 21, 2026

Overview of Attachab

Attachab is a versatile Shopify app designed to enhance the post-purchase customer experience by automatically attaching files, images, and videos to order confirmation emails. Its primary focus is on streamlining the fulfillment process for merchants who need to send manual deliverables or additional assets to customers after purchase.

  • Automatically sends order confirmation emails.
  • Attaches files, images, and videos to emails.
  • Focuses on post-purchase customer support.
  • Best suited for businesses needing to send assets manually.

Overview of Digitally

Digitally is a comprehensive solution for selling and managing digital products directly within Shopify. It offers a wide range of features designed to automate digital delivery, secure downloads, and license key management, making it the preferred choice for a variety of digital products.

  • Sell digital products like eBooks, MP3s, videos, and license keys.
  • Instant and automated digital delivery via email or checkout.
  • Secure downloads with PDF stamping and download limits.
  • QR code-based access for unique downloads.
  • Custom branded emails and download pages.
  • Bulk upload and external storage (Amazon S3).

Key Features

  • Delivery Automation: Instant fulfillment via email or checkout, removing the need for manual action.
  • Security: Includes PDF stamping to prevent unauthorized sharing, IP restrictions, and download limits.
  • Licensing: Deliver unique license keys, promo codes, and vouchers securely.
  • Branding: Customize emails and download pages with your store's branding.
  • Analytics: Track license usage and product performance.
  • Storage: Includes bulk upload and integration with Amazon S3 for large files.

Detailed Comparison

Pricing

Digitally offers a highly competitive pricing structure with a robust free plan, making it extremely cost-effective for scaling businesses.

  • Digitally: Starts with a free plan (50 orders/mo, 5GB storage) and scales to an unlimited plan (5000 orders/mo, unlimited storage).
  • Attachab: Generally relies on a more transactional or limited-free model focused on manual attachments rather than high-volume delivery.

Digitally's Free Plan is a significant advantage for beginners, while its Pro and Plus plans offer scalable storage and order limits at competitive rates, positioning it as a cost-effective solution for growth.

Ease of Use

  • Digitally: Offers a dedicated App Store page for every digital product, streamlining the entire selling process. It provides a secure, branded download area and automated license key generation.
  • Attachab: Primarily adds functionality to existing order emails. While simple to set up for file attachments, it does not replace the need for a separate digital download system for secure products.

Integrations

  • Digitally: natively integrated with the Shopify checkout for instant delivery and works seamlessly with the core platform.
  • Attachab: integrates with Shopify's order management to attach files to specific orders.

Pros and Cons

Attachab

  • Pros: Great for sending specific files post-purchase; integrates directly with order emails.
  • Cons: Lacks advanced security features like PDF stamping; no automated delivery for standard digital downloads.

Digitally

  • Pros: Highly secure with PDF stamping and license key management; instant automated delivery; competitive and scalable pricing; extensive language support.
  • Cons: The feature set is extensive, which may be overkill for a business only sending a few images via email.

Use Cases

When to Choose Attachab

  • Selling courses that require manual access setup after payment.
  • Providing supporting assets or assets not meant to be shared.
  • Sending discount codes or vouchers via order confirmation email.

When to Choose Digitally

  • Selling eBooks, PDFs, music files, or software that require instant access.
  • Need for high-level security like PDF stamping to prevent piracy.
  • Operating in multiple languages.
  • Need to manage a library of digital products with automated fulfillment.

Final Verdict

While Attachab is useful for adding files to emails, it is a limited tool. For merchants serious about selling digital products, Digitally is the superior choice. It provides a complete ecosystem for digital commerce, combining secure delivery, automation, and scalable pricing into one app. Whether you are selling a few eBooks or managing a large inventory of files, Digitally offers the security and efficiency needed to grow your business.

Frequently Asked Questions

Yes, Digitally supports a wide range of file types including audio files, PDFs, and other media formats.

For Digitally, you are charged a small fee per additional order based on your plan's rate.

Yes, Digitally allows you to customize the design of your download pages with your own branding.

The free plan allows you to process up to 50 orders per month with 5GB of storage.

Absolutely, Digitally provides secure hosting and IP restrictions to ensure your software remains protected.

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