MARVLS vs Fermi+
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
MARVLS
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Augmented Reality Models of topics in the first semester of a physics course including vectors, centroids, forces, impulse, momentum, projectiles, circular motion, torque, right-hand rule, and simple harmonic motion. You'll need a Merge Cube ( link included to download from the internet). Click on different button to navigate to different topics. Click on View in AR to view the model. Hold the Merge cube so that your camera can see it well. Move the cube around until you see the model. Click on the buttons to interact with the model. Click the back button to get back to the info screens or to the main screen.
Fermi+
This app streamlines classroom management for educators and students. Teachers can create and distribute assignments, track progress with analytics, and communicate with students. Students can access assignments, submit work, and monitor their academic performance.
- Create and distribute assignments
- Track student progress with analytics
- Manage multiple classes
- Integrated student messaging
- Student assignment submission
- View upcoming due dates
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Fermi (WIP) revolutionizes classroom management for teachers and students. Designed for educators who value efficiency, Fermi streamlines your entire teaching workflow in one intuitive platform. For Teachers: • Create and distribute assignments with customizable due dates and grading rubrics • Track student progress with real-time grade analytics and performance insights • Manage multiple classes with organized dashboards • Communicate directly with students through integrated messaging • Schedule assignments for future release For Students: • Access all assignments in one organized dashboard • Submit work directly through the app • Track grades and academic progress • View upcoming due dates and class schedules • Connect with teachers for support
Screenshots
Verdict
The clearest difference is update cadence: Fermi+ at every 2 days against MARVLS's every 4 months. Fermi+ also leads on device support (3 vs 1) and iOS requirement (15.0 vs 18.0). On price, ads and in-app purchases 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.
MARVLS ships an update every 4 months, Fermi+ every 2 days. The most recent releases landed on October 3, 2026 and October 24, 2026 respectively.
| Parameter | MARVLS | Fermi+ |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 4 months | Every 2 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 18.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 242 MB | 63 MB |
| Age rating | 9+ | 12+ |
| Developer | Michele McColgan | Frank Cottone |
In-app purchases
MARVLS
No in-app purchases
Fermi+
No in-app purchases









