Do I need email templates or can my app generate them?

You don’t necessarily need email templates. Your app can generate emails dynamically, and that’s common.

You have 3 main options:

1. Hard-coded / generated in your app

   • Your app builds the subject/body on the fly.
   • Good for simple transactional emails.
   • Example: password reset, verification, order confirmation.

2. Email templates stored separately

   • HTML/text templates live in files, a template system, or a service.
   • Your app fills in variables like {name}, {orderId}.
   • Better for consistency, maintainability, and design changes.

3. Hybrid

   • Use templates for layout/design
   • Generate the dynamic parts in your app

When templates are worth it

Use templates if you want:

• reusability
• consistent branding
• easy editing by non-devs
• localization/multiple languages
• many different email types

When app-generated emails are fine

Generate them directly if:

• emails are simple
• you only have a few email types
• you want everything in code
• you don’t need marketing-style formatting

Practical advice

Even if your app generates emails, it’s often best to separate:

• email content
• email formatting/layout
• business logic

That makes it easier to change later.

If you want, I can also recommend the best approach for your stack (Node, Python, PHP, etc.).