Comparison

MRI MASTER vs Cardiac MRI Guide

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

MRI MASTER

This app serves as a comprehensive guide for MRI students, radiologists, and technologists. It offers detailed scan planning, a vast protocol library, and in-depth explanations of anatomy, techniques, and physics. It also includes a pathology atlas and an artifact encyclopedia to aid in learning and practice.

Highlights
  • MRI Scan Planning
  • Protocol Library
  • Full-Body Anatomy in 3 Planes
  • Techniques & Parameter Guidance
  • Sequence Physics & Characteristics
  • Pathology Atlas
  • Artifact Encyclopedia
Features
Read full description

Unlock the World of MRI — Anytime, Anywhere Welcome to MRIMaster — the definitive all-in-one guide for MRI students, radiologists, and technologists. From your very first exam to advanced clinical practice, MRIMaster makes MRI learning intuitive, accessible, and powerful. Why MRIMaster?
MRIMaster brings together every practical aspect of MRI into one cohesive app, backed by the quality and reliability you’d expect from a professional resource. Based on the mission and content of mrimaster.com, the app offers: Core Features 1. MRI Scan Planning
Plan scans with confidence. MRIMaster includes detailed guides for over 140 body-part plans, complete with step-by-step instructions, anatomical landmarks, field-of-view templates, and video demonstrations. 2. Protocol Library
Explore a comprehensive collection of 140+ MRI protocols used in everyday clinical practice. Whether it’s brain, spine, musculoskeletal, cardiac, or pediatric MRI — it’s all here. 3. Full-Body Anatomy in 3 Planes
Master anatomy across the body with high-resolution MR images. View most structures in axial, sagittal, and coronal planes for better spatial understanding. 4. Techniques & Parameter Guidance
Dive into how MRI parameters work: NEX, bandwidth, field-of-view, slice thickness, SNR, spatial resolution — and how to optimize them. 5. Sequence Physics & Characteristics
Understand the nuances of T1, T2, FLAIR, STIR, diffusion, contrast sequences, and more. Learn when and why to use each. 6. Pathology Atlas
Access a curated library of MRI cases across different body regions. See how disease processes appear, with annotated images and descriptive commentary. 7. Artifact Encyclopedia
Learn to recognize and correct more than 40 MRI artifacts. Each entry includes causation, visual examples, and practical solutions. Who Is It For? Students & Trainees — Use step-by-step guides, clear visuals, and protocol examples to build strong fundamentals. Radiologists & Technologists — Use it as a pocket reference during practice for protocol verification, anatomy recall, or troubleshooting artifacts. Refresher or Exam Prep Tool — Quickly review parameters, protocols, or pathology cases before exams, rotations, or clinical shifts. Why Trust MRIMaster? Built on the same foundation as mrimaster.com, a resource dedicated to sharing expert-level MRI knowledge. Created by radiology professionals for radiology learners and practitioners. Structured content, intuitive navigation, and visual aids ensure complex concepts stay accessible. Ready to Dive In?
Whether you’re studying for exams, planning your next scan, or revisiting anatomy, MRIMaster is your companion in mastering MRI. Download now — take MRI expertise with you, anywhere.

About

Cardiac MRI Guide

This application provides essential cardiac MRI calculators for assessing heart function and blood flow. It includes tools for volume and regurgitation measurements, along with links to relevant research articles and PubMed.

Highlights
  • Cardiac MRI calculators
  • LV/RV volume assessment
  • Ejection fraction calculation
  • Regurgitation measurement
  • ECV estimation
  • Normal values tables
  • PubMed links
Read full description

This app contains a variety of cardiac MRI calculators, including LV/RV volumes, ejection fraction, mitral regurgitation, aortic regurgitation, MRI-derived ECV estimation and 4D regurgitant flow assessment. Built-in normal values tables as well as links to leading reference articles, with one-tap direct links to PubMed entries. In association with the British Society of Cardiovascular Magnetic Resonance.

Screenshots

MRI MASTER4 screens
Cardiac MRI Guide4 screens

Verdict

The call

The clearest difference is rating: Cardiac MRI Guide at 5.0 against MRI MASTER's 4.5. Cardiac MRI Guide also leads on in-app purchases (none vs 1) and update cadence (every 2 weeks vs every 2 months). MRI MASTER's advantage is ratings volume (50 vs 2). On price, ads, device support and iOS requirement 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. MRI MASTER sells 1 one-off in-app purchase. Cardiac MRI Guide asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Cardiac MRI Guide holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: MRI MASTER has 50 ratings behind it against 2, so its average is the more settled of the two.

UpkeepUpdate frequency

MRI MASTER ships an update every 2 months, Cardiac MRI Guide every 2 weeks. The most recent releases landed on October 27, 2026 and October 22, 2026 respectively.

Scorecard5 real differences · 5 level
MRI MASTER versus Cardiac MRI Guide: the parameters behind the verdict, then further details
ParameterMRI MASTERCardiac MRI Guide
PriceFreeFree
Rating4.5 (50 ratings)5.0 (2 ratings) — better
Positive reviews74.2% of reviews—
Number of ratings50 — better2
Update frequencyEvery 2 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.615 — better
Further details — not scored
Size86 MB48 MB
Age rating17+17+
DeveloperREJOSH GEORGEHilmar Spohr

Customer experience

MRI MASTER

All ratings48 ratings
Positive85.4%
Neutral6.3%
Negative8.3%
Written reviews31 reviews
Positive74.2%
Neutral9.7%
Negative16.1%

Cardiac MRI Guide

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

MRI MASTER

One-time1
  • MRI MASTER OFFLINE VERSION$10.99
None

Cardiac MRI Guide

No in-app purchases

Questions

Is MRI MASTER free?
MRI MASTER is free to download, with in-app purchases available.
Is Cardiac MRI Guide free?
Cardiac MRI Guide is free to download, with no in-app purchases.
Which has better reviews, MRI MASTER or Cardiac MRI Guide?
Cardiac MRI Guide is rated higher. MRI MASTER averages 4.5 out of 5 from 50 ratings, while Cardiac MRI Guide averages 5.0 from 2 ratings.
Do MRI MASTER or Cardiac MRI Guide have ads?
Neither MRI MASTER nor Cardiac MRI Guide shows ads.
Which is updated more often, MRI MASTER or Cardiac MRI Guide?
MRI MASTER ships an update every 2 months, and Cardiac MRI Guide every 2 weeks. Most recently, MRI MASTER was updated on October 27, 2026 and Cardiac MRI Guide on October 22, 2026.

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