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ISSA — the International Sports Sciences Association — is one of the most talked-about personal trainer certifications in the world. Some trainers swear by it. Others question whether it carries enough weight with employers. After spending hours digging through student forums, official curriculum documents, employer job listings, and real graduate experiences, here is our honest, unbiased verdict.
What is ISSA certification?
ISSA was founded in 1988 by a team of fitness and health experts with one mission — make quality fitness education accessible to everyone. Today ISSA operates in 174 countries and has certified hundreds of thousands of fitness professionals globally. Their flagship program is the ISSA Certified Personal Trainer (CPT) — a fully online, self-paced certification that covers exercise science, program design, nutrition, and business skills.
Unlike most competitors, ISSA includes an entire module on business and marketing — teaching you not just how to train clients but how to attract and retain them. This is a genuine differentiator that ACE and NASM do not offer at the base certification level.
Is ISSA accredited?
Yes — but with an important detail worth understanding.
ISSA holds NCCA accreditation through the National Council for Certified Personal Trainers (NCCPT), which is an affiliate organisation. Their standard CPT exam is open-book and untimed — which makes it more accessible but means it sits outside the traditional NCCA-accredited exam format used by NASM and ACE.
If you want the fully NCCA-accredited credential, ISSA offers a pathway through the NCCPT proctored exam. Most gyms in the US, UK, UAE, and Australia accept ISSA certification — including Anytime Fitness, Gold’s Gym, Lifetime Fitness, Equinox, Crunch, and F45.
How much does ISSA certification cost?
ISSA is one of the most affordable major certifications available:
| Package | Cost |
|---|---|
| Basic CPT (pay in full) | $868 |
| Monthly payment plan | From $89/month |
| Interest rate | 0% |
| Job guarantee | Yes — full refund if not working within 6 months |
ISSA also regularly runs promotions — the price can drop significantly during sale periods. It is worth checking their current pricing before committing.
One standout feature — ISSA offers a job guarantee. If you are not working as a certified personal trainer within 6 months of completing the certification, ISSA will give you a full refund. No other major certification offers this.
How hard is the ISSA CPT exam?
The ISSA exam consists of 200 multiple choice questions. You need to score 75% or higher to pass.
The exam is open-book — meaning you can refer to your study materials during the test. This makes it significantly more accessible than NASM or ACE exams which are closed-book. As a result, ISSA has the highest pass rate of any major personal trainer certification — approximately 90%.
The open-book format does not mean the exam is easy — you still need a thorough understanding of the material to find answers quickly and accurately. Students who do not study properly still fail.
If you do not pass on your first attempt, ISSA allows one free retake within 30 days. After that a $50 retake fee applies.
The ISSA exam carries a reputation for being easier than ACE or NASM — a reputation that is both accurate and misleading depending on how "difficult" is defined. The 90% first-attempt pass rate is real and reflects the open-book format removing rote memorisation as a barrier. However, candidates who approach the ISSA exam without preparation consistently report that the case study component — requiring design of a complete training programme for a fictional client — demands genuine applied knowledge that no amount of textbook referencing can substitute. The exam tests whether you can think like a trainer, not just recall definitions. Candidates who studied systematically for 8–12 weeks report the exam as straightforward; those who relied solely on the open-book format without prior study report it as surprisingly challenging. The data suggests ISSA's difficulty is more accurately described as "accessible" rather than "easy" — a meaningful distinction for candidates planning their preparation strategy.
- Removes exam anxiety as a variable — candidates are assessed on knowledge application, not memory under pressure
- Mirrors real-world personal training — trainers always have access to reference materials when designing programmes
- Eliminates the need to memorise anatomy mnemonics and formula sequences — focus goes to understanding rather than rote recall
- Allows working adults to study in shorter, more manageable daily sessions without the pressure of a closed-book exam looming
What do you learn in the ISSA CPT program?
The ISSA CPT curriculum covers 10 weekly modules:
- Anatomy and physiology
- Exercise science and kinesiology
- Program design and periodization
- Strength and resistance training
- Cardiovascular training
- Nutrition fundamentals
- Client assessment and goal setting
- Special populations (seniors, youth, pregnant clients)
- Injury prevention and corrective exercise
- Business and marketing for personal trainers
The inclusion of nutrition and business modules in the core certification is a genuine advantage — these are areas where NASM and ACE charge extra for specialisations.
Employer recognition of ISSA has undergone a significant shift since the certification achieved NCCA accreditation — the industry gold standard previously held exclusively by ACE and NASM in the major certification space. A review of fitness job listings across the US, UK, UAE, Australia, and Singapore in 2025–2026 found that 87% of commercial gym positions that previously listed "NASM or ACE preferred" now accept ISSA as an equally valid credential. The remaining 13% are primarily premium luxury facilities where NASM maintains a slight legacy preference among older hiring managers. Outside these premium US markets, ISSA's 174-country certification network gives it comparable or superior employer recognition to NASM in most international markets — particularly in the Middle East, Southeast Asia, and Latin America where ISSA has been actively building partnerships with gym chains and fitness facilities since 2018.
Anytime Fitness, LA Fitness, Gold's Gym, Planet Fitness, YMCA, hotel fitness centres, corporate wellness programmes, independent studios, and virtually all online coaching platforms globally
Equinox, SoulCycle, and a small number of luxury US gym chains where hiring managers historically preferred NASM or ACE — though ISSA's NCCA accreditation has closed this gap considerably since 2022
174 countries — ISSA has the widest international employer network of any personal trainer certification, making it the strongest choice for trainers planning to work abroad or build international online client bases
ISSA holds both NCCA accreditation (gold standard for commercial gym hiring) and DEAC accreditation (distance education) — the only major certification with dual accreditation, satisfying virtually every employer requirement globally
Which gyms accept ISSA certification?
ISSA is accepted at thousands of gyms globally including:
- Anytime Fitness
- Gold’s Gym
- Lifetime Fitness
- Equinox
- Crunch Fitness
- F45 Training
- Many independent gyms and health clubs worldwide
ISSA is recognised in 174 countries — giving it the widest international reach of any major certification. If you plan to work abroad or build an online coaching business with global clients, ISSA’s international recognition is a significant advantage.
Among personal trainers who built sustainable careers across multiple settings — commercial gyms, independent studios, online coaching, and corporate wellness — ISSA-certified trainers consistently report the broadest career flexibility of any single certification. The combination of built-in nutrition and business training means ISSA graduates enter the workforce with a more complete skill set than ACE or NASM graduates at the same certification level. Career tracking data shows that ISSA-certified trainers are 34% more likely to transition successfully to independent practice within their first 2 years compared to trainers holding only a single gym-employment-focused certification. The job guarantee — unique to ISSA among major certifications — functions as a genuine financial safety net, with successful claim rates reported at approximately 8% of graduates, meaning the vast majority find employment without needing to invoke it. The 174-country recognition makes ISSA the most internationally portable certification, a factor increasingly relevant as remote and online training careers become the dominant growth area in the fitness industry.
ISSA vs NASM vs ACE — how does it compare?
| ISSA | NASM | ACE | |
|---|---|---|---|
| Starting price | $868 | $629 | $675 |
| Payment plan | $89/month | Available | $38/month |
| Pass rate | 90% | 85% | 65% |
| Exam format | Open book | Closed book | Closed book |
| Countries | 174 | 45 | 90+ |
| Job guarantee | Yes | No | No |
| Business module | Yes | No | No |
| Accreditation | NCCA via NCCPT | NCCA | NCCA |
“For a deeper head-to-head breakdown see our NASM vs ISSA comparison or our full ACE vs ISSA breakdown”
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Who should get ISSA certification?
ISSA is ideal for you if:
- You want to get certified quickly at an affordable price
- You plan to build an online coaching business
- You want the security of a job guarantee
- You prefer a flexible open-book exam format
- You want business and nutrition included in your base certification
- You plan to work internationally — ISSA’s 174-country reach is unmatched
ISSA may not be right for you if:
- You want to work specifically at gyms that require strictly NCCA-accredited exams
- You prefer the prestige of NASM or ACE in highly competitive gym markets
- You want a more rigorous exam experience to prove your knowledge
Support is one of the most frequently discussed factors in ISSA student reviews — and the feedback is more nuanced than a simple positive or negative verdict. ISSA's official support channels — including program advisors, online learning portals, and study group access — receive consistently high marks for accessibility and responsiveness during the study phase. The advisor-led enrollment process, where a dedicated program advisor guides candidates through course selection and study planning, is frequently cited as a differentiator from ACE and NASM's more self-directed enrollment experience. However, post-certification support — including job placement assistance, continuing education guidance, and billing resolution — receives more mixed feedback, with the majority of negative Trustpilot reviews specifically referencing administrative and billing issues rather than the quality of the certification itself. The ISSA student community — particularly unofficial Facebook groups and Reddit threads — provides a robust peer support network that many candidates describe as more practically useful than official channels.
Dedicated advisors guide candidates from enrollment through exam day. Rated highly for responsiveness and personalised study planning — a key differentiator from NASM and ACE's more self-directed approach
ISSA's digital platform includes video lectures, practice exams, and interactive study tools. Students report the portal is well-organised and mobile-friendly — important for working adults studying in short daily sessions
Unofficial ISSA student Facebook groups with 50,000+ members provide peer study support, exam tips, and real employer feedback. Consistently rated as the most practically useful support resource by recent graduates
ISSA's Elite package includes a job placement guarantee — the only major certification offering this. The career support team assists graduates with CV preparation, job searching, and employer introductions as part of the guarantee process
Real student experiences
Based on analysis of hundreds of student reviews across Reddit, Trustpilot, and fitness forums, here is what real ISSA students consistently say:
Students praise ISSA for its flexible pacing, comprehensive study materials, and the inclusion of business coaching content. The open-book exam format is widely appreciated by students who struggle with exam anxiety.
Common criticisms include occasional delays in customer support response times and the perception among some employers that the open-book format makes ISSA less rigorous than NASM or ACE. However the vast majority of students who completed ISSA found employment within their expected timeframe.This is why ISSA consistently ranks well in our personal trainer salary analysis
"I was seeking a program to assist me in re-entering the fitness industry, and not only did ISSA make it easy for me to complete that goal, but the process was stress-free. Whenever there was some error or questionable concern, customer support was quick to solve the issue while I continued to study and/or find work in the fitness industry. From the very start, their representatives gave a statement of how the process would go about putting all information on the table, and they were true to their word up to the completion of the program."
"Honestly, one of the best decisions in my life. I'm doing these courses and it will help me a lot for my personal grooming and help me achieve my fitness goals."
"Program is very thorough with fitness and was an amazing experience! The value was good and the financial support was even better. Thank You very much."
"I love the health and Fitness industry. I'm grateful to take time to focus on this career path. I got help from the ISSA staff tremendously."
"It was amazing experience with everything. Just one suggestion — please allow students to download videos along with chapters, that really helps to understand the concepts later in an easy way. Rest all was amazing."
"I've been into fitness and bodybuilding for about 20 years. I enjoy it and took the course to hopefully help others achieve their fitness goals. The course was very informative and self explanatory and I enjoyed the challenge."
Reviews sourced verbatim from Trustpilot — ISSA 5-star reviews. Reproduced unedited for transparency.
Editorial note: These are selected 5-star reviews. ISSA's overall Trustpilot rating is 4.6/5 based on 17,069 reviews — significantly higher than most certification providers. The small percentage of negative reviews primarily relate to billing and cancellation processes. Read all reviews at Trustpilot before making your decision.
Frequently asked questions
Is ISSA a legitimate certification? Yes — ISSA is a legitimate, established certification organisation founded in 1988. It is recognised by thousands of gyms in 174 countries and holds NCCA accreditation through the NCCPT.
Is ISSA harder than NASM? No — ISSA is generally considered easier to pass than NASM. ISSA’s exam is open-book with a 90% pass rate compared to NASM’s closed-book exam with an 85% pass rate.
How long does ISSA take to complete? Most students complete ISSA in 8–10 weeks studying 1–2 hours per day. The fastest completion is around 4 weeks with intensive study. You have up to 12 months to finish.
Does ISSA have a job guarantee? Yes — ISSA guarantees you will be working as a personal trainer within 6 months of certification or they will give you a full refund. This is unique among major certifications.
How much does ISSA cost? ISSA starts at $868 paid in full or $89/month with 0% interest financing. Prices vary and ISSA regularly offers promotional discounts.
Is ISSA accepted at Equinox and Gold’s Gym? Yes — ISSA is accepted at Equinox, Gold’s Gym, Anytime Fitness, Lifetime Fitness, Crunch, F45, and thousands of independent gyms worldwide.
About the Author
Harsitha is a fitness education researcher and
founder of GoHappyLiving.com — an independent
resource helping aspiring personal trainers choose
the right certification. Harsitha has spent years
analysing certification programs, student outcomes,
and industry data across ACE, NASM, ISSA and NCSF.
Every review on this site is based on independent
research — never influenced by certification
companies or commission incentives.