Comparison

Quantum Mechanics + vs MARVLS

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

Head to head
About

Quantum Mechanics +

Explore quantum physics by numerically solving the Schrodinger Wave Equation. Visualize bound states and wave packets with various potentials, ideal for educational demonstrations. Accurately calculate energy values and observe quantum phenomena like tunneling.

Highlights
  • Solve Schrodinger's Wave Equation
  • Visualize bound states and wave packets
  • Simulate various potentials (Harmonic Oscillator, Square Well, etc.)
  • Observe quantum phenomena (Ramsauer-Townsend effect, tunneling)
  • Accurate energy value calculation
  • Educational tool for introductory courses
Features
Read full description

Numerically solve Schrodinger's Wave Equation with various potentials for bound states and wave packets. Real Quantum Physics - suitable for a theory lab or demonstration in an introductory Quantum Mechanics course. Find bound states for Harmonic Oscillator, Square Well, Ammonia Maser, Hydrogen Atom, and Delta Function Potentials. Follow a wave packet as it hits a Step Barrier, Resonant Potential and Tunnel Barrier. Enter energy values for a bound state and see if the solution converges - real energy values accurate to better than 1%. Observe the Ramsauer-Townsend effect and a wave packet tunnel through a forbidden potential barrier.   Screenshots: 1) Home page with options 2) Harmonic Oscillator with 5 energy levels 3) Bound state potentials 4) Wave packet bouncing off of a step function potential 5) Wave packet potentials 6) Split two levels of an ammonia maser 7) Wave packet incident on a barrier 8) Wave packet after tunneling through barrier - right side amplified by magnifier

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.

Screenshots

Quantum Mechanics +4 screens
MARVLS4 screens

Verdict

The call

The clearest difference is rating: Quantum Mechanics + at 4.8 against MARVLS's 1.0. Quantum Mechanics + also leads on review sentiment (100% vs 67%) and update cadence (daily vs every 4 weeks). MARVLS's advantage is in-app purchases (none vs 1). On price, ads and monetization model 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. Quantum Mechanics + sells 1 one-off in-app purchase. MARVLS asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Quantum Mechanics + holds the better App Store score, 4.8 against 1.0. Both are backed by a comparable volume of ratings — 4 and 1 respectively. Written reviews point the same way: 100% of Quantum Mechanics +'s written reviews are positive against 67% of MARVLS's.

UpkeepUpdate frequency

Quantum Mechanics + ships an update daily, MARVLS every 4 weeks. The most recent releases landed on October 3, 2026 and September 27, 2026 respectively.

Scorecard7 real differences · 3 level
Quantum Mechanics + versus MARVLS: the parameters behind the verdict, then further details
ParameterQuantum Mechanics +MARVLS
PriceFreeFree
Rating4.8 (4 ratings) — better1.0 (1 ratings)
Positive reviews100.0% of reviews — better66.7% of reviews
Number of ratings4 — better1
Update frequencyDaily — betterEvery 4 weeks
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS13.0 — better18.0
Further details — not scored
Size1 MB168 MB
Age rating4+4+
DeveloperPeter KramerMichele McColgan

Customer experience

Quantum Mechanics +

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

MARVLS

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews3 reviews
Positive66.7%
Neutral0.0%
Negative33.3%

In-app purchases

1 purchases

Quantum Mechanics +

One-time1
  • Contribution$0.99
None

MARVLS

No in-app purchases

Questions

Is Quantum Mechanics + free?
Quantum Mechanics + is free to download, with in-app purchases available.
Is MARVLS free?
MARVLS is free to download, with no in-app purchases.
Which has better reviews, Quantum Mechanics + or MARVLS?
Quantum Mechanics + is rated higher. Quantum Mechanics + averages 4.8 out of 5 from 4 ratings, while MARVLS averages 1.0 from 1 ratings.
Do Quantum Mechanics + or MARVLS have ads?
Neither Quantum Mechanics + nor MARVLS shows ads.
Which is updated more often, Quantum Mechanics + or MARVLS?
Quantum Mechanics + ships an update daily, and MARVLS every 4 weeks. Most recently, Quantum Mechanics + was updated on October 3, 2026 and MARVLS on September 27, 2026.

Other comparisons