Physics vs DEV
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Physics
Explore physics concepts through immersive augmented reality. Visualize abstract principles in real-time, making learning intuitive and engaging for students and teachers. Offers risk-free experimentation and seamless integration with schoolwork platforms.
- Augmented reality physics visualizations
- Interactive concept walkthroughs
- Classroom and independent study use
- Risk-free virtual experimentation
- Integration with Apple Schoolwork
- Progress tracking for teachers
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Step into physics and watch the invisible become visible. Our app transforms fundamental principles into immersive Augmented Reality scenes, showing how physics concepts work in real time. By rooting every idea in a vivid, spatial experience, we bridge the gap between theory and intuition and make physics instantly relatable. Engage, spark curiosity, retain more. Visualizing virtual objects from every angle in their real world boosts attention and long‑term understanding—perfect for visual and kinesthetic learners. Built‑in concept walkthroughs. Every augmented reality scene includes clear, step‑by‑step explanations—before, during, and after exploration—so students always understand the “why,” not just the “wow.” Flexible for every setting. Ideal for classroom demos, one‑on‑one tutoring, homeschooling, or independent study. Safer, cheaper than traditional labs. No glassware, electricity, or expensive apparatus—just an iPad or an iPhone. Schools cut equipment costs, and learners experiment risk‑free. Ready for Schoolwork. Deep integration lets teachers push augmented reality assignments straight to student devices, collect results, and track progress—all inside Apple Schoolwork. Learn anywhere. At school, at home, or on the go, physics travels with you—no giant lab benches required. Physics+ is a subscription service that grants access to the complete feature set. A subscription is required to activate all features described in this listing. If you choose to purchase Physics+, payment will be charged to your iTunes account, and your account will be charged for renewal within 24-hours prior to the end of the current period. Auto-renewal may be turned off at any time by going to your settings in the iTunes Store after purchase. Current Physics+ subscription price starts at $4.99 USD/month. Prices are in U.S. dollars, may vary in countries other than the U.S. No cancellation of the current subscription is allowed during the active subscription period. Privacy Policy: https://arvid.app/physics-privacy-policy Terms & Conditions: https://arvid.app/physics-privacy-policy
DEV
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PASS YOUR SALESFORCE CERTIFIED PLATFORM APP BUILDER EXAM Master declarative development on the Salesforce platform with 500+ practice questions designed to get you certified on your first attempt. 500+ practice questions 5-minute study sessions Track your progress Remove mastered questions Text-to-speech support Dark mode available WHY GET CERTIFIED? Salesforce Certified Platform App Builder professionals earn up to $203K annually. This credential validates your ability to design, build, and deploy custom applications on the Salesforce platform without writing code, making you indispensable to any organization running on Salesforce. WHAT YOU'LL MASTER: • Core CRM Objects and Relationships • Data Modeling and Schema Builder • Flow Builder and Process Automation • Formula Fields and Validation Rules • Roll-Up Summary Fields and Cross-Object Formulas • Approval Processes and Automated Actions • Security Model including OWD, Profiles, and Permission Sets • Record-Level and Field-Level Security • Lightning App Builder and Dynamic Forms • Dynamic Actions and Page Layouts • Multi-Tenant Architecture and Governor Limits • Data Import and Export Tools • AppExchange Solutions and Deployment Best Practices • Lead Conversion and Campaign Management • Relationship Types including Lookup, Master-Detail, and Many-to-Many Junction Objects STUDY ANYWHERE: Coffee breaks. Commutes. Lunch hours. Turn dead time into CRM Platform Development expertise. Every question includes detailed explanations so you understand not just the what, but the why behind each answer. Download now. Pass your exam. Master CRM Platform Development.
Screenshots
Verdict
The clearest difference is price: DEV at Free against Physics's $4.99. DEV also leads on iOS requirement (15.0 vs 17.6). On update cadence, 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
DEV is free to download; Physics costs $4.99 up front. Physics sells 2 in-app purchases, starting at $4.99 per month and DEV sells 3 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.
Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on October 24, 2026 and October 22, 2026 respectively.
| Parameter | Physics | DEV |
|---|---|---|
| Price | $4.99 | Free — better |
| Rating | 4.9 (8 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 8 — better | — |
| Update frequency | Every 3 months | Every 3 months |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Subscription | — |
| Devices | iPhone, iPad, Vision Pro | iPhone, iPad, iPod |
| Requires iOS | 17.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 92 MB | 30 MB |
| Age rating | 4+ | 4+ |
| Developer | Elie F. Gebran | Davy Raitt |
In-app purchases
Physics
- Physics+ (Monthly)$4.991 Month
- Physics+ (Yearly)$29.991 Year
DEV
- Pro Monthly$3.991 Month
- Pro Yearly7 Days trial$14.991 Year
- Pro Lifetime$19.99





