Comparison

Ampere vs ReactorN

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

Head to head
About

Ampere

Features
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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.

About

ReactorN

Features
Read full description

Reactor N is a free way for students and the nuclear-curious to explore the U.S. nuclear industry — built to help with your studies, coursework, and thesis. WHAT YOU CAN DO — ALL FREE • Browse all 94 U.S. nuclear reactors in one place — 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 — 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 — 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

Ampere2 screens
ReactorN4 screens

Verdict

The call

Ampere and ReactorN are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — 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

CostPrice Ā· In-app purchases Ā· Ads Ā· Monetization

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

ScorecardNo meaningful differences
Ampere versus ReactorN: the parameters behind the verdict, then further details
ParameterAmpereReactorN
PriceFreeFree
Update frequencyEvery 145 months—
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.4 — better17.0
Further details — not scored
Size51 MB5 MB
Age rating4+4+
DeveloperScott BeilfussTYH DANIEL MC LEAN

In-app purchases

None

Ampere

No in-app purchases

None

ReactorN

No in-app purchases

Questions

Is Ampere free?
Ampere is free to download, with no in-app purchases.
Is ReactorN free?
ReactorN is free to download, with no in-app purchases.
Do Ampere or ReactorN have ads?
Neither Ampere nor ReactorN shows ads.

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