Acceptance Criteria vs Definition of Done: What Teams Need to Know

Acceptance criteria and definition of done both help software teams decide when work is complete, but they are not the same thing.

Acceptance criteria define what a specific user story, feature, or requirement must do before it can be accepted. Definition of done defines the wider quality standards every completed work item must meet before it can be considered finished.

For the full foundation, read our main guide on what acceptance criteria are. This page explains the difference between acceptance criteria, definition of done, and requirements.

What are acceptance criteria?

Acceptance criteria are the specific, testable conditions a user story or feature must meet before it is accepted by the product owner, client, or stakeholder.

They answer the question:

Does this feature do what we agreed it should do?

Example:

User story:

As a customer, I want to reset my password, so that I can regain access to my account.

Acceptance criteria:

1. The user can request a reset link using a registered email.
2. The reset link expires after 30 minutes.
3. The user can create a new password that meets security rules.
4. The user sees a clear error if the reset link has expired.

Acceptance criteria are feature-specific. They change from one story to another because each story has different rules, outcomes, and edge cases.

What is definition of done?

Definition of done is a shared quality standard used by the team to decide whether any work item is truly complete.

It answers the question:

Has this work met the team’s delivery and quality standards?

A definition of done may include:

1. Code has been reviewed.
2. Automated tests have passed.
3. QA testing is complete.
4. The feature meets agreed acceptance criteria.
5. Documentation has been updated.
6. Security or accessibility checks are complete.
7. The work is ready for release or deployment.

Unlike acceptance criteria, definition of done usually applies across the team or project. It is not rewritten for every user story.

Acceptance criteria vs definition of done

Here is the simple difference: acceptance criteria are about whether the feature behaves correctly. Definition of done is about whether the work is finished to the team’s quality standard.

Acceptance Criteria vs Definition of Done Comparison Table

A feature can meet the definition of done but still fail acceptance if it does not satisfy the agreed acceptance criteria. The opposite can also happen: a feature may behave correctly, but it should not be marked done if testing, review, or documentation is incomplete.

Acceptance criteria vs requirements

Acceptance criteria are also often confused with requirements. They are connected, but they do different jobs.

Requirements describe what the software needs to do. Acceptance criteria explain how the team will know that a specific requirement has been delivered correctly.

Requirements vs Acceptance Criteria Comparison Table

A requirement may lead to several user stories. Each user story may then need its own acceptance criteria.

For example:

Requirement: Users must be able to manage invoices.

User story: As a customer, I want to download an invoice, so that I can keep a payment record.

Acceptance criteria: Paid invoices can be downloaded as PDFs, only authorised users can download them, and failed downloads show a clear error message.

How they work together in software delivery

In a healthy software delivery process, requirements, acceptance criteria, and definition of done should work together.

The requirement gives the team the business need. The user story turns that need into a user-focused piece of work. Acceptance criteria define what must be true for that story to be accepted. Definition of done confirms the work has met the team’s quality bar.

A simple flow looks like this:

1. Requirement: What the business or user needs.
2. User story: The user goal and benefit.
3. Acceptance criteria: The conditions that prove the story works.
4. Definition of done: The team-wide quality checks before completion.

This structure reduces confusion and helps teams avoid building features that technically work but still fail stakeholder expectations.

Example: how the difference works in practice

Imagine a professional services firm wants a client portal where customers can upload documents.

Requirement:

Clients must be able to upload project documents securely.

User story:

As a client, I want to upload documents to the portal, so that I can share files with the project team.

Acceptance criteria:

1. Client can upload PDF, DOCX, and PNG files.
2. Maximum file size is 10MB.
3. Unsupported file types show a clear error message.
4. Uploaded files appear in the client’s document list.
5. Only authorised users can view the uploaded files.

Definition of done:

1. Code reviewed and approved.
2. QA testing completed.
3. Acceptance criteria passed.
4. Security checks completed.
5. Error states tested.
6. Documentation updated.
7. Feature ready for release.

This shows why both are needed. Acceptance criteria confirm the upload feature behaves correctly. Definition of done confirms the work is properly reviewed, tested, and ready.

Common mistakes to avoid

One mistake is using definition of done as a replacement for acceptance criteria. A team may say “tests passed,” but that does not prove the feature meets the business rules or user expectations.

Another mistake is writing acceptance criteria too broadly. “The upload feature works” is not useful. The team needs to know file types, file size limits, permissions, success states, and error states.

A third mistake is treating requirements as acceptance criteria. Requirements explain what the product needs. Acceptance criteria make each feature testable.

Need help turning requirements into build-ready software?

Clear requirements, acceptance criteria, and delivery standards help reduce rework before development starts. They also give stakeholders a better way to review progress and approve completed work.

At Wazobia Technologies, we help startups and professional services firms turn business ideas, workflows, and requirements into custom software that is clear, testable, and ready to build.

If you are planning a SaaS platform, internal system, automation project, or client-facing product, explore our software development partnership to see how we can support your team from discovery to delivery.

Final thoughts

Acceptance criteria, definition of done, and requirements are all important, but each one has a different role.

Requirements define what the software needs. Acceptance criteria define how a specific feature will be accepted. Definition of done confirms the team has completed the work to the agreed quality standard.

When teams use all three clearly, software delivery becomes easier to plan, build, test, and approve.

FAQs

1. What is the difference between acceptance criteria and definition of done?

Acceptance criteria apply to a specific user story, feature, or requirement. Definition of done is a team-wide quality standard that applies before work can be considered complete.

2. Are acceptance criteria part of definition of done?

They can be. Many teams include “acceptance criteria met” inside their definition of done. However, acceptance criteria are still written separately for each story or feature.

3. What is the difference between acceptance criteria and requirements?

Requirements describe what the product or system needs to do. Acceptance criteria define the specific conditions that prove a requirement or user story has been delivered correctly.

4. Who defines acceptance criteria and definition of done?

Acceptance criteria are usually drafted by the product owner, product manager, or business analyst, then reviewed with the team. Definition of done is usually agreed by the whole delivery team.

5. Can a feature be done without meeting acceptance criteria?

No. If the feature does not meet its acceptance criteria, it should not be accepted. It may be technically complete, but it has not delivered the agreed outcome.