Scrum Alliance has below certification program
- Certified Scrum Master (CSM) – Training mandatory and Exam has 35 questions to write in 90 days
- Certified Scrum Product Owner (CSPO) – Only training and no exam
- Certified Scrum Developer (CSD) – Only training and no exam
- Certified Scrum Professional (CSP) – No training, No exam and Only Money
- Certified Agile Leaderships (CAL – I) – Only training and no exam
Scrum.org has below training program
- Professional Scrum Foundation (PSF) – Student will get opportunity to write PSM – I as part of training
- Professional Scrum Master (PSM) – Student will get opportunity to write PSM – I as well as PSM – II
- Professional Scrum Product Owner (PSPO) – Student will get opportunity to write PSPO – I and II
- Professional Scrum Developer (PSD) – Student will get opportunity to write PSD – I
- Scaled Professional Scrum (SPS) – Student will get opportunity to write SPS
- Professional Agile Leaderships – Essential (PAL – E) – No certification for this program and only training
Below is basic comparison covering difference in approach for Scrum Alliance and Scrum.org. I have added only PSM vs CSM but rest all certifications are same.
Program Name | Professional Scrum Master (PSM) | Certified Scrum Master (CSM) |
Certifying Authority | Scrum.org | Scrum Alliance |
Training Provider | Professional Scrum Trainer (PST) | Certified Scrum Trainer (CST) |
Founded By | Ken Schwaber | Ken Schwaber |
When | 2009 | 2002 |
Mission | Improving the Profession of Software Delivery | Transforming the World of Work |
Duration | 2 days | 2 days |
Examination | 80 Questions in 60 Mins | 35 Questions. No time limit |
Difficulty Level | High | Very Low |
Training is Mandatory | No | Yes |
Content | Maintained by Scrum.Org | Maintained by CSTs Individually |
Source for Exam | Scrum Guide | Not Sure |
Renewal | No | $100 every 2 years |
Batch Size | No more than 30 students per class | More than 60 and sometime 100 (especially in India) |
Acceptability | Very High | Very High |
Valuable | Some organizations only hire PSM holders for Scrum Master role | Although it was introduced for Scrum Master but became Scrum Introduction class over the period |
Next Level | There is PSM II training but you can write 3 level of assessment – PSM – I, II, III even after attending PSM | Since CSM became Introduction training so Scrum Alliance has launched Advance – CSM |
Popularity | Popular | Popular |
Scrum.org has below certification program – Scrum.org has kept certification and training separate. Training is not mandatory for any of certification. Scrum.org offers below certifications.
- Professional Scrum Master – I, II, III (to test your maturity level)
- Professional Scrum Product Owner – I, II (to test your maturity level)
- Professional Scrum Developer – I (to test your maturity level)
- Scaled Professional Scrum
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