Newsletter Stack is an independent decision desk for people choosing, pricing or moving a newsletter platform.
What we publish
We turn platform documentation and operational questions into comparison tables, decision tools and migration checklists. The goal is not to name one permanent winner. It is to help a writer, creator or publishing team identify the product that fits its business model and understand the trade-offs before committing.
How research works
Product facts are checked against official pricing pages, help centers and regulator guidance. Every guide names its source desk and review date. Variable facts such as plan prices, subscriber limits and payment fees are explicitly date-stamped. We separate documented product capabilities from editorial interpretation.
Drafting may use AI-assisted tools, followed by structured editorial review. We do not invent statistics, claim hands-on testing that did not occur, publish fake testimonials or convert affiliate availability into a recommendation.
What our comparisons do not prove
We do not publish universal deliverability scores without a controlled benchmark. We do not promise growth, revenue or search rankings. Pricing calculators are scenario tools, not quotes. Legal and compliance material is general information, not legal advice.
Corrections and contact
Commercial products change quickly. If an official source has changed since the displayed review date, contact the x-app.eu network operator through x-app.eu and include the guide URL and primary source.