Ampere vs ReactorN
Price, ratings, monetisation and update history for both apps, side by side ā with what reviewers say about each.
Ampere
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Explore plasma physics through interactive simulations and transparent educational calculators. SIMULATE PLASMA PHENOMENA ⢠Guide animated plasma-globe filaments ⢠Explore a Paschen-law glow-discharge model ⢠Drive a 13.56 MHz RF reactor solved by a global discharge model ⢠Adjust an illustrative tokamak control visualization CALCULATE CORE PARAMETERS ⢠Debye shielding length ⢠Electron plasma frequency ⢠Paschen breakdown voltage ⢠Synthetic planar Langmuir-probe response ⢠Lossless 13.56 MHz RF L-network matching ⢠Bohdansky physical sputter-yield estimates Ampere works offline and requires no account or purchase. Every advanced model states its assumptions and limitations. Results are intended for education and first-pass exploration, not professional engineering or safety decisions.
ReactorN
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Reactor N is a free way for students and the nuclear-curious to explore the U.S. nuclear industry ā built to help with your studies, coursework, and thesis. WHAT YOU CAN DO ā ALL FREE ⢠Browse all 94 U.S. nuclear reactors in one place ā status, location, and key facts ⢠Explore the energy-vs-AI-datacenter demand story reshaping the grid (the convergence layer) ⢠Follow live regulatory activity (NRC + Federal Register) ⢠Check energy market data (EIA) ⢠Ask the AI copilot questions about the U.S. nuclear fleet ⢠Prep for the reactor operator certification exam ā flashcards, quizzes, and progress tracking BUILT FOR STUDENTS Whether you study nuclear engineering, energy, policy, or finance, Reactor N gives you real industry data instead of a textbook ā useful for class projects, presentations, thesis research, and studying for the reactor operator (RO/SRO) licensing exam. Data is drawn from public sources (NRC, EIA, U.S. Federal Register) so you can trace and cite it. EVERYTHING IS FREE No account required. No subscription. No paywall. Nothing is sold in, through, or in connection with the app. Open the app and explore. ABOUT Reactor N is an independent product from OpenAgent. It aggregates publicly available information for educational and informational purposes only, and is not affiliated with or endorsed by the U.S. Nuclear Regulatory Commission, the U.S. Energy Information Administration, or any utility or reactor operator. All trademarks belong to their respective owners. Privacy Policy: https://openagent-legal.vercel.app/reactorn/privacy
Screenshots
Verdict
Ampere and ReactorN are too close to call on the numbers: across 5 compared parameters ā price, ads, in-app purchases and device support among them ā neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Ampere | ReactorN |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 145 months | ā |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.4 ā better | 17.0 |
| Further details ā not scored | ||
| Size | 51 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Scott Beilfuss | TYH DANIEL MC LEAN |
In-app purchases
Ampere
No in-app purchases
ReactorN
No in-app purchases









