Vektoris3D vs EDDIE
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Vektoris3D
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The well-known solid geometry software Vektoris3D has now been rewritten for learning on iPad and iPhone. Vektoris3D is the app for analytic 3D geometry: for constructing, modifying, exploring, and understanding mathematical models in space. Create points, vectors, lines, planes, surfaces, solids, and measurements in an interactive 3D scene. Change coordinates and variables with sliders and instantly see dependent objects update live. Vektoris3D helps you build models and spatial understanding by connecting mathematical representation, spatial visualization, and construction logic. It shows you not only results, but also relationships, formulas, measurements, and object dependencies. Vektoris3D gives you: - interactive 3D geometry for iPad and iPhone - direct exploration of variables and parameters with sliders - dependency diagrams for traceable construction paths - measurements for distances, angles, areas, and volumes - formula rendering with mathematically precise notation - example and classroom scenes for typical solid geometry topics - an AR view for additional spatial visualization Vektoris3D brings mathematics, model building, and spatial thinking together. This makes mathematical relationships visible, editable, and understandable for you.
EDDIE
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EDDIE - Colon: Your Personal Colorectal Cancer Guide Colorectal cancer is the 2nd leading cause of cancer death in the United States โ yet it is one of the most preventable and treatable cancers when caught early. The challenge? Millions of Americans don't know their risk, don't know they qualify for screening, and can't get clear answers between doctor visits. EDDIE - Colon changes that. Developed by a surgical oncologist and powered by Microsoft AI, EDDIE - Colon puts expert-level colorectal cancer education and risk assessment in your pocket โ free, private, and available anytime, anywhere. ARE YOU DUE FOR COLORECTAL CANCER SCREENING?: Major reputable cancer agencies now recommend colorectal cancer screening starting at age 45 for average-risk adults. African Americans face higher risk and are especially encouraged to start screening at 45. EDDIE - Colon helps you understand your eligibility and options. Screening options include: Colonoscopy every 10 years (gold standard) Cologuard stool DNA test every 1-3 years FIT stool blood test every year CT colonography every 5 years KNOW YOUR RISK: Our comprehensive 4-section risk assessment evaluates your complete colorectal cancer risk profile: Personal demographics including age, sex, and race/ethnicity Family history of colorectal cancer or polyps Personal history of polyps, IBD, Crohn's disease, or hereditary syndromes Lifestyle factors including diet, exercise, smoking, alcohol, and weight Current symptoms including rectal bleeding, bowel changes, and unexplained weight loss ASK EDDIE โ YOUR AI COLON CANCER GUIDE: Have questions about colonoscopy? Wondering about your symptoms? Confused about screening options? Ask EDDIE โ your personal AI colorectal cancer companion, available anytime: Colorectal cancer screening, diagnosis, and staging in plain language Treatment options including surgery, chemotherapy, immunotherapy, and targeted therapy Lynch syndrome, FAP, and hereditary colorectal cancer syndromes explained Clinical trial opportunities Questions to ask your doctor before and after your colonoscopy WHY EARLY DETECTION MATTERS: Colorectal cancer found at an early, localized stage has a 5-year survival rate of over 90%. Yet only 4 in 10 colorectal cancers are caught at this early stage. Regular screening saves lives โ and EDDIE - Colon helps you take that first step. WHY EDDIE?: EDDIE stands for Eliminating Disparities through Data-driven Intelligent Empowerment. Built by Cancer Treatment Specialist, PC โ a surgical oncology practice committed to making expert cancer education accessible to everyone, regardless of background or zip code. Colorectal cancer disproportionately affects Black Americans, and EDDIE - Colon is designed with health equity at its core. YOUR PRIVACY IS PROTECTED: EDDIE - Colon collects zero personal data. All risk calculations happen locally on your device. AI chat is powered by Microsoft Copilot Studio under Microsoft's privacy policy. Nothing is stored. Nothing is shared. EDDIE - Colon provides educational information only โ not medical advice or diagnosis. Screening recommendations are based on USPSTF 2021 guidelines. Always consult your physician for personalized screening and treatment decisions. askeddie.org | cancerexpert.org`
Screenshots
Verdict
The clearest difference is price: EDDIE at Free against Vektoris3D's $11.99. EDDIE also leads on iOS requirement (14.0.0 vs 26.0). On ads, in-app purchases and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
EDDIE is free to download; Vektoris3D costs $11.99 up front. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Vektoris3D | EDDIE |
|---|---|---|
| Price | $11.99 | Free โ better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad | iPhone, iPad, iPod โ better |
| Requires iOS | 26.0 | 14.0.0 โ better |
| Further details โ not scored | ||
| Size | 17 MB | 25 MB |
| Age rating | 4+ | 12+ |
| Developer | Holger Wiesing | Derrick Beech |
In-app purchases
Vektoris3D
No in-app purchases
EDDIE
No in-app purchases









