Comparison

MARVLS vs GMAT Ninja

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

Head to head
About

MARVLS

Explore quantum computing concepts through interactive augmented reality models. Requires a Merge Cube to visualize and manipulate topics like superposition and entanglement. Navigate through various educational modules to deepen your understanding.

Highlights
  • Augmented reality visualization
  • Interactive quantum concepts
  • Merge Cube integration
  • Topics: superposition, entanglement, qubits
  • Logic gates visualization
  • Nuclear and electron spin models
Features
Read full description

View augmented reality models of quantum computing concepts through your phone. You'll need a Merge Cube (link included to download). Click on different button to navigate to different topics. Tap the camera icon and point your camera towards the Merge Cube to visualize and interact with our MARVLS. Topics include observer dependency, superposition, entanglement, bits, qubits, nuclear and electron spin, logic gates, and trapped ions. Developer support provided by Leo Vanderlofske.

About

GMAT Ninja

Features
Read full description

Crush the GMAT Focus Edition and unlock your dream business school with GMAT Ninja—the ultimate prep app engineered specifically for the modern GMAT test format. Whether you are targeting Harvard, Stanford, Wharton, INSEAD, or London Business School, GMAT Ninja equips you with official question formats, proctored computer-adaptive (CAT) mocks, cognitive trap analytics, and AI-powered drills to push your score past 705+. ------------------------------------------------------------ BUILT EXCLUSIVELY FOR GMAT FOCUS EDITION ------------------------------------------------------------ No outdated Sentence Correction. No Geometry. GMAT Ninja is 100% calibrated to the latest official GMAC Focus Edition blueprint across all three sections: 1. QUANTITATIVE REASONING (Problem Solving) - Master pure arithmetic, algebra, rate/work problems, number properties, combinatorics, and probability. - Instant formula callouts and step-by-step reasoning for every problem. - AI Question Generator: Create fresh, high-yield practice questions on demand tailored to your difficulty level. 2. VERBAL REASONING (Critical Reasoning & Reading Comprehension) - Critical Reasoning: Deconstruct arguments with premise-conclusion breakdowns, core assumption analysis, and negation test explanations. - Reading Comprehension: Read complex academic and business passages with sticky question navigation and active distractor elimination. - Trap Breakdown: Identify out-of-scope answers, extreme wording, and reverse causation before you get tricked. 3. DATA INSIGHTS (The Secret Weapon) - Data Sufficiency: Master AD/BCE decision flow with early C-trap warnings. - Two-Part Analysis (TPA): Interactive dual-column response grids. - Table Analysis: Real-time sortable columns with binary statement evaluation (True/False & Yes/No). - Multi-Source Reasoning (MSR): Multi-tab interactive document synthesis. - Graphics Interpretation: Gauge charts, scatterplots, and trend lines under timed pressure. ------------------------------------------------------------ OFFICIAL FULL-LENGTH CAT MOCKS ------------------------------------------------------------ Experience test day before test day: - Authentic 3-Section Simulation: 45 minutes per section with a built-in 10-minute optional break. ------------------------------------------------------------- TRAP ANALYTICS & INTERACTIVE ERROR LOG ------------------------------------------------------------ High scorers do not just do more questions; they study their mistakes. - Automated Error Taxonomy: Track traps across Computation, Conceptual, Misread Premise, Scope Shift, and Guessing. - Targeted Re-Drills: Launch targeted 3-question drill sessions or 10-question re-tests directly from your error log. - Mastery Tracking: Monitor logged traps as they progress from "Needs Review" to "Mastered". ------------------------------------------------------------ KEY FEATURES AT A GLANCE ------------------------------------------------------------ - 100% Focus Edition compatible question bank - Proctored full-length mock exams with review & edit policy - Sortable tables and dual-column interactive DI drills - Formula quick-reference sheets - Gemini AI-powered infinite practice problem generation - Offline practice mode—study anytime, anywhere on subway or flights - Dark Mode & clean, distraction-free UI Download GMAT Ninja today and prepare with precision. --- Disclaimer: GMAT is a registered trademark of the Graduate Management Admission Council (GMAC). GMAT Ninja is not affiliated with, endorsed, or sponsored by GMAC.

Screenshots

MARVLS4 screens
GMAT Ninja4 screens

Verdict

The call

The clearest difference is update cadence: GMAT Ninja at every 3 days against MARVLS's every 4 weeks. On price, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

MARVLS ships an update every 4 weeks, GMAT Ninja every 3 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

Scorecard1 real difference · 9 level
MARVLS versus GMAT Ninja: the parameters behind the verdict, then further details
ParameterMARVLSGMAT Ninja
PriceFreeFree
Rating3.7 (3 ratings) — better—
Positive reviews66.7% of reviews—
Number of ratings3 — better—
Update frequencyEvery 4 weeksEvery 3 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhoneiPhone
Requires iOS18.017.0 — better
Further details — not scored
Size168 MB7 MB
Age rating4+4+
DeveloperMichele McColganHui Zhang

In-app purchases

None

MARVLS

No in-app purchases

None

GMAT Ninja

No in-app purchases

Questions

Is MARVLS free?
MARVLS is free to download, with no in-app purchases.
Is GMAT Ninja free?
GMAT Ninja is free to download, with no in-app purchases.
Do MARVLS or GMAT Ninja have ads?
Neither MARVLS nor GMAT Ninja shows ads.
Which is updated more often, MARVLS or GMAT Ninja?
MARVLS ships an update every 4 weeks, and GMAT Ninja every 3 days. Most recently, MARVLS was updated on October 30, 2026 and GMAT Ninja on October 31, 2026.

Other comparisons