Free Cognitive Ability & Pre-Employment Tests certifications
IQ, numerical, verbal and abstract reasoning, plus practice for Wonderlic, CCAT, SHL, Watson-Glaser and other hiring assessments. 19 free tests from beginner to advanced, every question based on a published source, with a verifiable certificate you can add to LinkedIn.
Founder, Science of AppsWhat are the best free Cognitive & pre-employment certifications?
Science of Apps has 19 free Cognitive Ability & Pre-Employment Tests certifications and skill tests: iQ, numerical, verbal and abstract reasoning, plus practice for Wonderlic, CCAT, SHL, Watson-Glaser and other hiring assessments. 5 beginner, 14 intermediate — each a timed online test of original scenarios based on published standards, graded instantly, with a verifiable, LinkedIn-ready certificate.
Beginner Cognitive & pre-employment certifications
No experience needed: fundamentals and clear reasoning.
- 15 questions · 15 minSOA-MECX
Mechanical Aptitude Test
Tests mechanical aptitude as used in pre-employment tests for technical, trade and military roles — levers, pulleys and gears, forces, motion and energy, and the basics of fluids, heat and electricity.
Difficulty: BeginnerFor Maintenance technician applicant, Apprentice, Military applicantTake the 15-minute test → - 15 questions · 15 minSOA-CTHK
Computational Thinking Test
Tests computational thinking — breaking problems into parts, spotting patterns, abstracting the details that matter, following and designing step-by-step algorithms, and reasoning about logic, loops and bugs, using short puzzles that need no programming knowledge.
Difficulty: BeginnerFor Student, Teacher, Career changer into techTake the 15-minute test → - 15 questions · 15 minSOA-FOLI
Following Instructions Test
Tests how accurately you follow written instructions — single and multi-step directions, conditional rules, ordering and counting tasks, and attention to small details, in the style of the instruction-following sections used in pre-employment and clerical aptitude tests.
Difficulty: BeginnerFor Job seeker, Warehouse associate, Administrative assistantTake the 15-minute test → - 15 questions · 15 minSOA-ATTD
Visual Attention to Detail Test
Tests visual attention to detail in the style of clerical and pre-employment checking tests — comparing names, numbers and codes for exact matches, spotting errors in data, addresses and forms, and checking sequences, totals and patterns quickly and accurately.
Difficulty: BeginnerFor Data entry clerk, Administrative assistant, Quality inspectorTake the 15-minute test → - 15 questions · 15 minSOA-MMTH
Mental Math Test
Tests mental arithmetic speed and accuracy used in aptitude and pre-employment tests — addition and subtraction, multiplication and division shortcuts, fractions, decimals and percentages, and quick estimation and everyday money and time calculations.
Difficulty: BeginnerFor Job seeker, Retail and banking applicant, StudentTake the 15-minute test →
Intermediate Cognitive & pre-employment certifications
Assumes hands-on experience in the role.
- 20 questions · 20 minSOA-IQ
IQ Test
Tests IQ-style general reasoning across four kinds of item used in cognitive ability tests — number and letter series, verbal analogies and vocabulary, logical deduction, and abstract and spatial patterns — under time pressure.
Difficulty: IntermediateFor Job seeker, Student, Graduate applicantTake the 20-minute test → - 20 questions · 20 minSOA-NUMR
Numerical Reasoning Test
Tests numerical reasoning as used in graduate and pre-employment aptitude tests — percentages and ratios, reading data from tables, rates, averages and currency conversion, and everyday business and financial calculations, all without a calculator trick.
Difficulty: IntermediateFor Graduate job applicant, Finance and banking applicant, AnalystTake the 20-minute test → - 20 questions · 20 minSOA-VERR
Verbal Reasoning Test
Tests verbal reasoning as used in graduate and pre-employment aptitude tests — drawing only valid conclusions from a passage, vocabulary and word relationships, grammar and sentence correction, and reading for main ideas, inference and tone.
Difficulty: IntermediateFor Graduate job applicant, Law and consulting applicant, Civil service applicantTake the 20-minute test → - 20 questions · 20 minSOA-ABSR
Abstract Reasoning Test
Tests abstract (non-verbal) reasoning as used in pre-employment and graduate aptitude tests — finding the rule in shape sequences, completing symbol matrices and analogies, spotting the odd one out, and mentally rotating and reflecting figures.
Difficulty: IntermediateFor Graduate job applicant, Engineering applicant, Software developer applicantTake the 20-minute test → - 20 questions · 20 minSOA-SPAR
Spatial Reasoning Test
Tests spatial reasoning as used in engineering, design and pre-employment aptitude tests — mentally rotating figures, folding cube nets and reasoning about 3D shapes, following maps, directions and perspective, and visualising folds, cuts and assembled shapes.
Difficulty: IntermediateFor Engineering applicant, Architecture and design student, Pilot and military applicantTake the 20-minute test → - 20 questions · 20 minSOA-COGA
Cognitive Aptitude Test
Tests general cognitive aptitude as used in pre-employment screening — quick quantitative problem solving, verbal ability, logical and pattern reasoning, and attention to detail, answered fast and accurately.
Difficulty: IntermediateFor Job applicant, Graduate, Customer service applicantTake the 20-minute test → - 20 questions · 20 minSOA-WOND
Wonderlic Practice Test
An unofficial, Wonderlic-style practice test of fast general reasoning — verbal reasoning, numerical problems, logic and patterns, and the strategy and facts that help you perform well on timed cognitive ability tests used in hiring.
Difficulty: IntermediateFor Job applicant, Graduate applicant, Sales applicantTake the 20-minute test → - 20 questions · 20 minSOA-CCAT
CCAT Practice Test
An unofficial practice test in the style of the Criteria Cognitive Aptitude Test (CCAT) — verbal ability, maths and logic word problems, spatial and pattern reasoning, and the time-management strategy needed for 50 questions in 15 minutes.
Difficulty: IntermediateFor Job applicant, Graduate applicant, Customer success applicantTake the 20-minute test → - 20 questions · 20 minSOA-WGCT
Watson Glaser Practice Test
An unofficial critical thinking practice test in the style of the Watson-Glaser appraisal — judging inferences, recognising unstated assumptions, drawing valid deductions and interpretations, and evaluating the strength of arguments.
Difficulty: IntermediateFor Law firm applicant, Graduate scheme applicant, Consulting applicantTake the 20-minute test → - 20 questions · 20 minSOA-SHL
SHL Assessment Practice Test
An unofficial practice test in the style of SHL aptitude assessments used by graduate and professional employers — numerical reasoning from tables, verbal reasoning from passages, inductive pattern reasoning, and deductive reasoning with test-taking know-how.
Difficulty: IntermediateFor Graduate scheme applicant, Banking and finance applicant, Consulting applicantTake the 20-minute test → - 20 questions · 20 minSOA-PIX
Predictive Index Practice Test
An unofficial practice test for Predictive Index (PI) hiring assessments — fast numerical, verbal and abstract reasoning in the style of the PI Cognitive Assessment, and an understanding of how the PI Behavioral Assessment's adjective checklist and four factors work.
Difficulty: IntermediateFor Job applicant, Graduate applicant, Sales applicantTake the 20-minute test → - 20 questions · 20 minSOA-SJT
Situational Judgement Test
A situational judgement test (SJT) of how you handle realistic workplace scenarios — teamwork and collaboration, customer and stakeholder focus, integrity and professional ethics, and prioritising and solving problems under pressure.
Difficulty: IntermediateFor Graduate scheme applicant, Civil service applicant, Healthcare applicantTake the 20-minute test → - 20 questions · 20 minSOA-AMOA
Amazon Online Assessment Practice
Practice for the kinds of questions in Amazon's online assessments — work style questions grounded in Amazon's public Leadership Principles, work simulation and judgement scenarios, logical and numerical reasoning, and the coding fundamentals behind software engineering OAs. Not affiliated with Amazon.
Difficulty: IntermediateFor Amazon job applicant, Software engineering candidate, Operations associate applicantTake the 20-minute test → - 20 questions · 20 minSOA-BIG4
Deloitte and Big 4 Online Assessment Practice
Practice for the kinds of questions in Deloitte's online assessments — numerical reasoning with tables and percentages, verbal reasoning and true/false/cannot-say logic, logical and abstract reasoning, and situational judgement grounded in Deloitte's public shared values. Not affiliated with Deloitte.
Difficulty: IntermediateFor Deloitte job applicant, Graduate and intern applicant, Consulting candidateTake the 20-minute test →
More free certification categories
- AI & GenAI83 tests
- Software & web dev92 tests
- Data & BI52 tests
- Marketing, SEO & AEO54 tests
- UX/UI & design47 tests
- Product & project40 tests
- Security, cloud & DevOps88 tests
- Sales & support31 tests
- HR & people25 tests
- Finance & operations105 tests
- Communication & leadership41 tests
- Languages60 tests
- Healthcare, education & more87 tests
- Test prep & academics51 tests
- Language exam prep26 tests
- Office & productivity34 tests
- Engineering & safety42 tests
- Hospitality & retail13 tests
Frequently asked questions
What are the best free Cognitive & pre-employment certifications in 2026?
Science of Apps offers 19 free Cognitive Ability & Pre-Employment Tests certifications and skill tests, including IQ Test, Numerical Reasoning Test, Verbal Reasoning Test, Abstract Reasoning Test, Spatial Reasoning Test, Mechanical Aptitude Test. Each is a timed online test of original scenarios based on published standards, graded instantly, with a founder-signed certificate and a credential ID employers can verify.
Which Cognitive & pre-employment certification should I take first?
Start with a Beginner test such as Mechanical Aptitude Test, Computational Thinking Test, Following Instructions Test, then move to Intermediate. Every test page shows its difficulty, the skills it covers and a sample question.
Are these Cognitive & pre-employment certifications really free?
Yes. Taking a test, receiving the certificate as a PDF and by email, adding it to LinkedIn and having it verified are all free — no course, payment or sign-up.
How long does each Cognitive & pre-employment test take?
Quick skill tests are 10–15, 15–20 or 20–25 questions (Beginner, Intermediate or Advanced) at a minute each, and each test page shows its exact length; full role certifications are 20 scenarios in 30 minutes. Every answer is explained with its source when you finish, and a retake draws questions you haven't seen.
How much do Science of Apps certifications cost?
Nothing. There is no fee to take a test, to receive the certificate, to have it emailed or to verify it, and no sign-up.
How are the tests graded?
On our server, not in your browser. The answers never reach the page until you submit, so a certificate can only be earned by passing. Each certificate gets a unique credential ID stored by Science of Apps.
What happens if I don't pass?
You see your score for each area and every question with the correct answer and why, with the published source behind it. You can retake after 30 minutes, and the retake draws questions you haven't seen yet.
Do the certificates expire?
No. Every certificate is dated, so it always shows when you passed. Retake a test any time for a newer date or a higher score.
Can I add the certificate to LinkedIn?
Yes. After you pass, Add to LinkedIn opens the Licenses & certifications form with the certificate name, Science of Apps as the issuer, the issue date, your credential ID and the verification link filled in. You can also download it as a PDF or PNG, and it's emailed to you as a PDF.
How can an employer verify my certificate?
Every certificate has a credential ID and a QR code. Scanning it, or entering the ID at scienceofapps.com/certification/verify/, shows the holder's name, the certification, the score and the issue date from our records.
Are these accredited qualifications?
No. They are Science of Apps' own assessments of applied skill. They aren't issued by a university or standards body, and they work best alongside a portfolio that shows the skills in real work.