PMI Official vs Classroom Volume Buddy
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PMI Official
Manage your professional certification, track and report continuing education units, and access an AI-powered project coach. This app helps you maintain your credentials, find learning opportunities, and get expert guidance for project success.
- Professional certification maintenance
- PDU tracking and reporting
- AI-powered project coach (PMI Infinity™)
- Course search and filtering
- Renewal reminders
- Single PMI login
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Maintain your PMI® Professional Certification, earn Professional Development Units (PDUs), and access your AI-powered project coach all in one place. Originally built to help PMI-certified professionals track and report PDUs, the PMI Official App now does much more. With the latest update, you can access PMI Infinity™—your on-the-go AI coach for project success. Whether you’re maintaining your certification, looking for learning opportunities, or managing your next project, the PMI Official App helps you do it all from your mobile device. Maintain Your Professional Certification Understand your PMI Professional Certification’s specific renewal requirements, track your progress across each segment of the Talent Triangle and report PDUs you earn on your own. Gain Project Management Expertise Search, filter and find courses from PMI and our Authorized Training Partners that fuel career growth and project success as you earn PDUs toward certification renewal. Learn (& Earn) On Your Terms From renewal reminders to PDU-earning opportunities that match your life and learning style, you’re in control of when and where you work toward renewal. Streamline Your Maintenance Experience Log in with your existing PMI account for everything you need to maintain your PMI certification(s) in one simple, streamlined experience. Get AI-Powered Expert Guidance Access PMI Infinity™, your secure AI project coach built for project professionals, delivering trusted answers powered by leading GenAI models and grounded in global standards from PMI. Shape the Future of the PMI Official Mobile App What features would you like next? This latest release is just the beginning for the PMI Official mobile app. Share your feedback in the app or on PMI.org at www.pmi.org/official-mobile-app. A complete list of PMI Official mobile app’s features: Professional Certification Maintenance - Renewal Status - Renewal Reminders - PDU Tracking - PDU Reporting - PDU Basics Primer - Learning - Course Search - Advanced Filtering - Saved Courses - Self-Paced Courses PMI Infinity - Chat - Document upload - Chat history - Create and download documents Personalized Utilities - Single PMI Login - Personalized Dashboard - Feedback Survey To learn more about PMI gold-standard certifications for Project Professionals, visit https://www.pmi.org/certifications To share feedback on the app, visit www.pmi.org/official-mobile-app
Classroom Volume Buddy
This app assists educators in controlling classroom noise levels with an on-device monitor and interactive rewards. Teachers can set noise thresholds and monitor student progress visually. The timer automatically pauses when noise levels exceed the limit, and audio is never recorded.
- On-device volume monitoring
- Customizable classroom rewards
- Real-time progress tracking for students
- Automatic timer pause for excessive noise
- Audio privacy (never recorded or uploaded)
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Classroom Volume Buddy helps teachers manage classroom noise using an on-device volume monitor and customizable classroom rewards. Choose a reward, set the noise threshold, and let students watch their progress in real time. When the classroom becomes too loud, the timer pauses automatically. Audio is never recorded or uploaded.
Screenshots
Verdict
The clearest difference is price: PMI Official at Free against Classroom Volume Buddy's $0.99. PMI Official also leads on ratings volume (451 vs 1). On rating, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
PMI Official is free to download; Classroom Volume Buddy costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 4.9 for PMI Official against 5.0 for Classroom Volume Buddy. That said, the two scores are not equally well evidenced: PMI Official has 451 ratings behind it against 1, so its average is the more settled of the two.
| Parameter | PMI Official | Classroom Volume Buddy |
|---|---|---|
| Price | Free — better | $0.99 |
| Rating | 4.9 (451 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 16.7% of reviews | — |
| Number of ratings | 451 — better | 1 |
| Update frequency | Every 6 weeks | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 110 MB | 12 MB |
| Age rating | 4+ | 4+ |
| Developer | PROJECT MANAGEMENT INSTITUTE, INC | Ashley Schaub |
In-app purchases
PMI Official
No in-app purchases
Classroom Volume Buddy
No in-app purchases
Questions
Is PMI Official free?
Is Classroom Volume Buddy free?
Which has better reviews, PMI Official or Classroom Volume Buddy?
Do PMI Official or Classroom Volume Buddy have ads?
Other comparisons
