Primum vs Roon for Doctors
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Primum
Connect with expert oncologists for case-specific advice and treatment decision support. This app facilitates direct messaging with specialists, offering actionable insights and a platform to manage your inquiries efficiently.
- Search and filter expert oncologists
- Direct messaging with specialists
- Real-time chat and notifications
- Case-specific advice
- Inbox management
- Reference past inquiries
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Sometimes even the experts need experts. Primum helps oncologists get more confidence in their treatment decisions by making it easy to find other expert oncologists and get actionable, case-specific advice fast. The official Primum app puts high-quality advice from expert oncologists in your pocket. "Prompt response. Excellent suggestions outlining the different treatment options/approaches for a rare clinical scenario without much data in the literature to guide decision making" - Community Oncologist, FL "It was really helpful to hear the expert recommendations and I agree with his recommendations. This topic is quite interesting and difficult to deal with. I appreciate a lot the recommendations." - Community Oncologist, MA "Very detailed response, clear thought process, mentioned experience with similar case. Overall - excellent!" - Community Oncologist, CT Find and select an expert - Search with keywords or phrases - Filter for expertise based on focus area - Review their experience before choosing to message Message an expert directly - Choose the expert you wish to message - Submit a brief description of your question directly to your chosen expert - Chat in real-time if you are both online, or get notified when they respond Get notified of important inquiry updates - See when you have unread messages - View the count of unread messages - Receive text and/or email alerts when you get a new message, a new inquiry, or when an inquiry is closed Rate your experience - Submit ratings and feedback on every question, to help Primum and our experts improve Manage your inbox - Keep your inbox uncluttered and focused by closing inquiries once they have been answered Reference past questions - View all closed inquiries to refer to past questions and answers
Roon for Doctors
A private digital space for verified physicians to connect, share knowledge, and discuss evolving clinical practices. It fosters collaboration across specialties and helps build trust in medical expertise.
- Verified physician-only community
- Cross-specialty collaboration
- Discussion of emerging treatments
- Building trust in medical expertise
- Secure and private connection
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Roon is a physicians-only space to connect, share evolving knowledge, and shape the future of clinical practice. It’s your digital doctor’s lounge—built for today’s challenges, at the pace and purpose of modern care. With Roon, you can: - Connect safely: Trust that you're in a space with verified doctors only — no trolls, no bad actors. - Collaborate across specialties: Tap into a collective brain trust of doctors at the top of their fields. - Stay current: Discuss emerging treatments, research, and clinical gray areas. - Build trust: Reclaim the authority of expertise in medicine. The stakes have never been higher. Trust in science won’t be rebuilt by chance—it will be rebuilt by doctors, working together. Download Roon and join the community shaping the future of medicine.
Screenshots
Verdict
The clearest difference is rating: Roon for Doctors at 5.0 against Primum's 4.2. Roon for Doctors also leads on update cadence (weekly vs every 2 months) and monetization model (free vs ad-supported). On price, review sentiment, ads and in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Roon for Doctors holds the better App Store score, 5.0 against 4.2. That said, the two scores are not equally well evidenced: Roon for Doctors has 29 ratings behind it against 5, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.
Primum ships an update every 2 months, Roon for Doctors weekly. The most recent releases landed on October 19, 2026 and October 6, 2026 respectively.
| Parameter | Primum | Roon for Doctors |
|---|---|---|
| Price | Free | Free |
| Rating | 4.2 (5 ratings) | 5.0 (29 ratings) — better |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 5 | 29 — better |
| Update frequency | Every 2 months | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Ad-supported | Free — better |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 16.4 | 15.1 — better |
| Further details — not scored | ||
| Size | 75 MB | 114 MB |
| Age rating | 17+ | 17+ |
| Developer | Primum | CareSpace Health |
Customer experience
Primum
Roon for Doctors
In-app purchases
Primum
No in-app purchases
Roon for Doctors
No in-app purchases
Questions
Is Primum free?
Is Roon for Doctors free?
Which has better reviews, Primum or Roon for Doctors?
Do Primum or Roon for Doctors have ads?
Which is updated more often, Primum or Roon for Doctors?
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