Definitions from credentialing bodies and official exam pages read October 30, 2026. We did not survey employers. Our editorial method

The core distinction

ASAE, the association for association professionals, describes certification as an independent assessment of the knowledge, skills or competencies required for a professional role, independent of any specific educational event. A certificate, by contrast, recognizes that participants completed the required education or training in a specific programme.

The Oncology Nursing Certification Corporation quotes the Institute for Credentialing Excellence (ICE), which defines professional certification as a voluntary process by which a non-governmental entity grants time-limited recognition and use of a credential. ICE defines an assessment-based certificate program as a relatively short, non-degree program that provides instruction and ends in a test derived from the course objectives, with instruction as its primary purpose. The same article describes a certificate of attendance as indicating only that the person attended, usually without assessing knowledge.

Credential types compared

TypeWhat it showsAssessmentExpires?Example
Certificate of attendanceYou attendedNoneNoWebinar or conference attendance certificate
Certificate of completionYou finished the activitiesOften none, or programme quizzesNoA free course completion record
Assessment-based or professional certificateYou learned what a programme taughtTests tied to that programmeUsually notGoogle Data Analytics Professional Certificate on Coursera (9 courses)
CertificationYou meet a role standard set by an independent bodyExam separate from any courseTypically time-limited with renewalAWS Certification exams, proctored online through Pearson VUE

Where ISO/IEC 17024 fits

ISO/IEC 17024 is the international standard for bodies that certify persons. IAS, an accreditation body, describes it as a structured and impartial framework for certifying individuals and says accreditation checks that a certifier's assessments are fair, valid and consistent, so the credential reflects ability rather than course completion. It also notes that accredited certifications are time-limited and maintained through surveillance or recertification, and can be suspended or withdrawn.

If a credential claims to be accredited, ask by whom and to which standard. A course provider cannot make its own completion certificate a certification by renaming it.

What each one signals to an employer

Costs differ too. Google's Data Analytics certificate is taken on a Coursera subscription ($49 a month in the US and Canada on the page we read, 6 months at 10 hours a week). AWS listed exam fees of $100 for Foundational, $150 for Associate and $300 for Professional and Specialty exams, each price covering one attempt.

  • Completion certificate: you started and finished something; useful as a sign of initiative, weak as proof of skill.
  • Professional certificate from a course platform: you completed a structured programme with graded work; strongest when paired with the projects you built.
  • Certification: an independent check against a role standard; often listed in job ads by name, and it has a renewal cost and schedule.

How to check a credential before you pay

Credential Engine, a nonprofit, runs a Credential Registry where providers publish details such as learning outcomes and cost; it can help you compare what different credentials claim. For academic credit from certificates, see our ACE credit guide. Sources accessed 30 October 2026.

  • Is the issuer the course provider or an independent certifying body?
  • Is there an exam separate from the training? Who writes and proctors it?
  • Does it expire, and what does renewal cost?
  • Does the issuer name an accreditor and a standard, such as ISO/IEC 17024?
  • Do job ads in your target role mention this credential by name?
  • Can an employer verify it online?

Questions before you decide

Is a Coursera professional certificate a certification?

No. It is a certificate from a training programme. Certification, as ASAE describes it, is an independent assessment for a professional role that is separate from any specific course, and ICE defines it as time-limited recognition from a non-governmental body.

What is ISO/IEC 17024?

It is the international standard for bodies that certify persons. IAS says accreditation to it checks that assessments are fair, valid and consistent and that certifications are time-limited and maintained through surveillance or recertification.

How much do AWS certification exams cost?

On October 30, 2026 AWS listed exam fees of $100 for Foundational, $150 for Associate and $300 for Professional and Specialty exams, each covering one attempt.

Sources & verification

Product details and prices can change. Check the linked provider before buying.

  1. ASAE: What's the difference between a certificate and a certification? Accessed 30 Oct 2026
  2. ONCC: Is it certification, a certificate program, or a certificate of completion? (ICE definitions) Accessed 30 Oct 2026
  3. IAS: accreditation of personnel certification bodies to ISO/IEC 17024 Accessed 30 Oct 2026
  4. AWS Certification: before testing (exam fees and online proctoring) Accessed 30 Oct 2026
  5. Coursera: Google Data Analytics Professional Certificate Accessed 30 Oct 2026
  6. Credential Engine: Credential Registry Accessed 30 Oct 2026

Sources link directly to providers. Product buttons may use separately labeled affiliate links. Read our disclosure.