SOHO365 vs Primum
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SOHO365
Connect with a global community of hematologic oncology professionals. Access a comprehensive resource center with slides, publications, and videos. Stay updated with the latest news and journal articles, and manage event registrations and reminders.
- Global professional community access
- Comprehensive resource center
- Hematologic oncology discussions
- Access to official journal and news
- Event information and registration
- Customizable reminders and alerts
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The Society of Hematologic Oncology (SOHO) was established as a non-profit corporation in 2012 with aims to promote worldwide research, education, prevention, clinical studies and optimal patient care in all aspects of hematologic malignancies and related disorders. Since that time, approximately 8,000 members from 110 countries have joined the society from around the globe. SOHO is a global society designed specifically for clinicians, research scientists and related health care professionals who specialize in the research and treatment of patients with hematologic malignancies. SOHO’s mission is to expedite worldwide research and education through the exchange of scientific information. Organized by its founders and world class committees, SOHO is the only society specific to this field. SOHO represents physicians and other professionals from all corners of the world. SOHO is leading vital efforts to further treatments for those with hematologic malignancies. Become a SOHO Member free-of-charge. Join us and experience the benefits of membership at http://sohoonline.org ! Mobile app features: • Instant connections to our SOHO Community of nearly 8,000 members • Access to a comprehensive Resource Center that includes slides, publications, abstracts, videos and more • Connection to our SOHO DocMatter Community for hematologic oncology discussions, questions and education • Access to our official journal, ‘Clinical Lymphoma Myeloma and Leukemia’and our news publication, 'Blood Cancers Today' • Direct access to event information and registration with significant member-only discounts • Set SOHO reminders and receive alerts within the App • Connect to the App through Facebook, LinkedIn, and Twitter
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
Screenshots
Verdict
The clearest difference is rating: SOHO365 at 5.0 against Primum's 4.2. SOHO365 also leads on device support (3 vs 1). Primum's advantage is monetization model (ad-supported vs free with in-app purchases). On price, ratings volume, update cadence and ads 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.
SOHO365 holds the better App Store score, 5.0 against 4.2. Both are backed by a comparable volume of ratings — 2 and 5 respectively.
SOHO365 ships an update every 5 weeks, Primum every 2 months. The most recent releases landed on November 4, 2026 and October 30, 2026 respectively.
| Parameter | SOHO365 | Primum |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | 4.2 (5 ratings) |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 2 | 5 — better |
| Update frequency | Every 5 weeks — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free with in-app purchases | Ad-supported — better |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.0 — better | 16.4 |
| Further details — not scored | ||
| Size | 55 MB | 75 MB |
| Age rating | 17+ | 17+ |
| Developer | SOCIETY OF HEMATOLOGIC ONCOLOGY | Primum |
Customer experience
SOHO365
Primum
In-app purchases
SOHO365
No in-app purchases
Primum
No in-app purchases








