GanttGrind vs Rita Mulcahy
An honest comparison to help you choose the right PMP prep tool.
| Feature | Rita Mulcahy | GanttGrind |
|---|---|---|
| Primary Format | Book + companion resources | Interactive practice platform |
| Practice Questions | ~400 in book + supplements | 6,300+ |
| Price | $79.99–$99 (book) + $200–$400 (book + simulator bundles) | $15 lifetime |
| Reputation | Industry standard for 15+ years | Independent platform, growing fast |
| Adaptive Learning | No — book is linear | Yes — targets weak areas |
| Readiness Model | Self-assessment via end-of-chapter tests | Per-domain mastery + coverage |
| Mock Exams | 1 in book + extras with course | Unlimited mocks + custom length |
| Exam Versions | Latest edition aligned to current ECO | ECO 2021 + ECO 2026 |
Our Honest Take
Rita Mulcahy's PMP Exam Prep book has been the industry-standard PMP textbook for over 15 years. The book is excellent for foundational knowledge and her famous "Tricks of the Trade" still hold up. But a book cannot adapt to your weak areas, time you in mock conditions, or surface patterns across thousands of questions. The book gets you started; a question bank gets you ready.
What We Recommend
Read the Rita Mulcahy book once for concepts and frameworks. Then practice with GanttGrind until your readiness score is consistently above target. Many candidates report this is the highest-ROI combination in PMP prep.
Frequently Asked Questions
Is the Rita Mulcahy book still relevant in 2026?
Yes. RMC Learning Solutions keeps the book updated to the current ECO. It remains one of the most clearly written PMP study guides on the market. The limitation is format — a book cannot replicate timed exam conditions or adaptive practice.
Is Rita Mulcahy enough to pass the PMP?
Many candidates have passed using primarily the Rita Mulcahy book, but most needed additional practice questions beyond the ~400 included. Pairing the book with a question bank of several thousand questions is the standard recipe.
Rita Mulcahy vs GanttGrind: which should I use?
Both — they serve different purposes. Rita Mulcahy explains concepts and PMI thinking. GanttGrind drills you on 6,300+ scenarios with adaptive targeting. Read the book first; live in GanttGrind until exam day.