Professional Scrum Master I (PSM I) vs PMI Agile Certified Practitioner (PMI-ACP)

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By Certalyze Research Desk Automated Research & Source Audit
Reviewed by Certalyze Source Audit Updated 2026-04-26
Updated: 2026-04-26 Methodology

PSM I and PMI-ACP both live in the agile space but approach it from fundamentally different angles. PSM I is laser-focused on the Scrum framework and the Scrum Master role, while PMI-ACP covers multiple agile methodologies (Scrum, Kanban, Lean, XP) and validates broader agile practitioner expertise. Your choice depends on whether you need depth in Scrum or breadth across agile practices.

$105K
Professional Scrum Master I (PSM I)
$115K
PMI Agile Certified Practitioner (PMI-ACP)

Side-by-Side Comparison

Feature Professional Scrum Master I (PSM I)PMI Agile Certified Practitioner (PMI-ACP)
Provider Scrum.orgPMI
Level AssociateAssociate
Exam Cost $150 ✓$435
Avg Salary $105,000$115,000 ✓
Pass Rate 73% ✓70%
Study Hours 60h ✓120h
Difficulty 5/10 ✓6/10
Job Listings 22.0K ✓18.0K

For a deeper look at each certification, read our full Professional Scrum Master I (PSM I) guide and PMI Agile Certified Practitioner (PMI-ACP) guide. Also compare: PMP vs PSM I: Waterfall vs Scrum Certification.

Our Verdict

Both certifications validate agile competency, but they optimize for different things. PSM I is the better value play: $150, 60 study hours, lifetime validity (no renewal), and 22,000 job listings. PMI-ACP costs roughly 1.2x more ($435), requires double the study time (120 hours), demands documented agile experience, and must be renewed every 3 years. However, PMI-ACP pays $10K more on average ($115K vs $105K) and carries the weight of the PMI brand, which matters in organizations that already value PMP. The practical recommendation: if you are early in your agile career or budget-conscious, start with PSM I — it is the fastest path to a credible agile credential. If you already hold PMP and want to complement it with agile expertise, PMI-ACP pairs naturally within the PMI ecosystem and signals comprehensive PM capability. Many agile professionals eventually hold both.

Choose Professional Scrum Master I (PSM I) if you...

  • Prefer a more accessible exam (73% pass rate)
  • Want a lower exam cost ($150 vs $435)
  • Want broader job market demand (22.0K listings)
  • Prefer a less challenging exam path (5/10 difficulty)
Read full Professional Scrum Master I (PSM I) guide →

Choose PMI Agile Certified Practitioner (PMI-ACP) if you...

  • Want higher earning potential ($115K vs $105K avg)
  • Focus on PMI ecosystem and associate-level roles
Read full PMI Agile Certified Practitioner (PMI-ACP) guide →

Can You Get Both?

Yes — and many professionals do. Since both Professional Scrum Master I (PSM I) and PMI Agile Certified Practitioner (PMI-ACP) are in the pm space, they complement each other well. Both are at the same level, so choose based on your preferred vendor ecosystem and add the second when you want to broaden your expertise.

Combined study commitment: approximately 180h and $585 in exam fees.

Deep Dive Into Each Certification

Professional Scrum Master I (PSM I)

Scrum.org · Associate · $105K avg

PMI Agile Certified Practitioner (PMI-ACP)

PMI · Associate · $115K avg

Explore more: PM Certifications · All comparisons

Frequently Asked Questions

Which agile certification should I get first?
PSM I is the better first agile certification for most professionals. It costs $150 (vs $435 for PMI-ACP), requires 60 study hours (vs 120), has no experience prerequisites (PMI-ACP requires 1,500 hours of agile work), and never expires. It gives you a credible agile credential quickly and cheaply, and the knowledge transfers directly to PMI-ACP prep if you pursue it later.
Does PMI-ACP replace PSM I?
No. PMI-ACP is broader (covering Scrum, Kanban, Lean, XP) while PSM I is deeper on Scrum specifically. Many hiring managers view them as complementary, not interchangeable. If a job posting asks for Scrum Master certification, PSM I is a more direct match. If it asks for agile methodology expertise, PMI-ACP is more appropriate.
Which certification has better long-term value?
PMI-ACP has a slight edge in long-term salary ($115K vs $105K) and integrates with the broader PMI credential ecosystem (PMP, PgMP, PfMP). However, PSM I's lifetime validity and zero maintenance cost make its total cost of ownership dramatically lower. The best long-term strategy is PSM I first, then PMI-ACP once you have the required agile experience — this combination covers both Scrum depth and multi-methodology breadth.

Data Sources & Transparency

  • Salary data — Bureau of Labor Statistics, Glassdoor, and job posting aggregates (US median)
  • Job listings — LinkedIn, Indeed, and Dice active postings (sampled quarterly)
  • Pass rates — Community-reported estimates from Reddit, TechExams, and certification forums
Last reviewed: 2026-04-26 Our Methodology Editorial Standards