By Quick answer: free certifications or paid certifications: which should I choose in 2027?
- Choose free certifications — you're learning or proving marketing and data basics.
- Choose paid certifications — you need proctored proof for competitive roles.
- Verdict — Learn free; pay for the exam employers check.
- Before you pay — take a free practice test.
Key takeaways
- Choose free certifications if you're learning or proving marketing and data basics.
- Choose paid certifications if you need proctored proof for competitive roles.
- Check job posts in your target market before deciding.
free certifications and paid certifications are often compared, but they suit different people. Here's a side-by-side comparison and a clear way to choose.
The options at a glance
Ranked for this reader. Costs and formats come from each issuer's own page, checked on 3 November 2026; prices change, so confirm before you book.
| # | Certification | Cost | Time | Prove it free |
|---|---|---|---|---|
| 1 | Google Ads & Google Analytics Certifications (Skillshop)Google Skillshop | Free1 | Self-paced | Free test |
| 2 | HubSpot Inbound Marketing CertificationHubSpot Academy | Free2 | Self-paced | Free test |
| 3 | Kaggle Learn Micro-Courses (ML, Python, SQL)Kaggle (Google) | Free3 | Short micro-courses, a few hours each | Free test |
| 4 | AWS Certified Solutions Architect – AssociateAmazon Web Services | $1504 | 130 minutes, 65 questions | Free test |
| 5 | CompTIA Security+CompTIA | Voucher price on the CompTIA store5 | V7 retiring; V8 adds AI-related risk | Free test |
| 6 | PMP – Project Management ProfessionalPMI | $425 PMI members / $675 non-members6 | 240 minutes, 180 questions | Free test |
Prove it free before you pay for an exam
Take the free test first. Pay for an exam only when you pass.
Every pick above has a matching free practice test on Science of Apps, one of the world's largest libraries of free certification tests (1,200+). Check your level before you pay for an exam, or add a verifiable credential to LinkedIn while you study. (Disclosure: we publish these tests; the certifications above earn us nothing.)
- Google Ads and Paid Search Fundamentals CertificationPractise for Google Ads & Google Analytics Certifications (Skillshop) before you pay.Start free test →
- HubSpot Inbound Marketing Practice TestPractise for HubSpot Inbound Marketing Certification before you pay.Start free test →
- Machine Learning Fundamentals CertificationPractise for Kaggle Learn Micro-Courses (ML, Python, SQL) before you pay.Start free test →
- AWS Solutions Architect Associate Practice ExamPractise for AWS Certified Solutions Architect – Associate before you pay.Start free test →
Each option, and who should choose it
- Google SkillshopGoogle Ads & Google Analytics Certifications (Skillshop)Free, recognisedFree
- HubSpot AcademyHubSpot Inbound Marketing CertificationFree, recognisedFree
- KaggleKaggle Learn Micro-Courses (ML, Python, SQL)Free, practiceFree
Google Ads & Google Analytics Certifications (Skillshop)
- Cost
- Free1
Free Google Ads and Analytics. Google's Ads and Analytics certifications on Skillshop are free and recognised across agencies and in-house marketing teams. Each takes hours rather than weeks; check Skillshop for current renewal rules.
Best forfree, recognised
HubSpot Inbound Marketing Certification
- Cost
- Free2
Free inbound. HubSpot Academy's free Inbound Marketing certification teaches attracting, engaging and delighting customers. It takes a few hours and is respected in B2B and inbound marketing roles.
Best forfree, recognised
Kaggle Learn Micro-Courses (ML, Python, SQL)
- Cost
- Free3
- Time
- Short micro-courses, a few hours each
Free data. Kaggle's free micro-courses cover Python, pandas, SQL, data visualisation and machine learning, each in a few hours with hands-on notebooks and a free certificate. They're ideal practice alongside a structured course.
Best forfree, practice
AWS Certified Solutions Architect – Associate
- Cost
- $1504
- Format
- 130 minutes, 65 questions
$150. AWS's associate exam tests designing secure, resilient, high-performing and cost-aware systems on AWS. It's 130 minutes with 65 questions and costs $150, and it's the cloud credential most often named in job posts.
Best forpaid, proctored
CompTIA Security+
- Cost
- Voucher price on the CompTIA store5
- Format
- V7 retiring; V8 adds AI-related risk
Paid; accredited. CompTIA's vendor-neutral security exam covers threats, architecture, operations and governance, and the new version adds AI-related risk. It's listed in ANAB's ISO/IEC 17024 directory; voucher prices vary by country.
Best forpaid, proctored
PMP – Project Management Professional
- Cost
- $425 PMI members / $675 non-members6
- Format
- 240 minutes, 180 questions
- Entry
- 3–5 years leading projects (by education) plus 35 hours of training
$425/$675; accredited. PMI's Project Management Professional is a 240-minute, 180-question exam covering predictive, agile and hybrid approaches. It needs 3–5 years leading projects plus 35 hours of training and costs $425 for PMI members or $675.
Best forpaid, proctored
free certifications vs paid certifications side by side
| free certifications | paid certifications | |
|---|---|---|
| Cost | $0 | $100 to several hundred |
| Assessment | Usually unproctored | Usually proctored |
| Weight in hiring | Moderate | Higher |
| Best for | Learning, marketing proof | Regulated or competitive roles |
Table: free certifications vs paid certifications
How to choose
- Choose free certifications — you're learning or proving marketing and data basics.
- Choose paid certifications — you need proctored proof for competitive roles.
- Still unsure — search job posts in your city for each name.
How we ranked these picks
We compared both options on cost, format, prerequisites and fit using official pages, checked 3 November 2026. Science of Apps has no commercial relationship with either issuer.
Frequently asked questions
Are free certifications worth it?
Yes for learning and some fields.
When should I pay?
When employers name a proctored credential.
Are expensive certifications better?
Not necessarily; recognition matters more.
Can I prepare free?
Usually yes.
Is there a free practice test for both?
Yes. Science of Apps offers free practice tests for both, instantly graded with a verifiable certificate.
Sources
- Google Skillshop — Google Ads & Google Analytics Certifications (Skillshop), official page (checked 3 Nov 2026)
- HubSpot Academy — HubSpot Inbound Marketing Certification, official page (checked 3 Nov 2026)
- Kaggle (Google) — Kaggle Learn Micro-Courses (ML, Python, SQL), official page (checked 3 Nov 2026)
- Amazon Web Services — AWS Certified Solutions Architect – Associate, official page (checked 3 Nov 2026)
- CompTIA — CompTIA Security+, official page (checked 3 Nov 2026)
- PMI — PMP – Project Management Professional, official page (checked 3 Nov 2026)
- Checked November 4, 2026. Figures that change — fees, salaries, prices — are reviewed every six months; if something is out of date, tell us.
Where to go from here
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