Comparison

ReactorN vs Faraday

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

Head to head
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

About

Faraday

Features
Read full description

Master STEM one lesson at a time. Faraday makes studying something you actually want to do. Short, game-style lessons. Instant feedback. Progress you can watch happen. No wall of PDFs, no lecture videos, no account to create. Pick from 64 courses across maths, science, engineering and computing. Every lesson pairs a focused teaching segment with practice questions, and every question comes with a full worked solution, so you find out why you got it wrong while it still matters. Build a streak. Earn XP. Unlock achievements. Spend your gems. Come back tomorrow because you want to, not because you ought to. WHAT YOU CAN LEARN Calculus, Algebra, Geometry and Linear Algebra. Physics, Chemistry, Biology and Astronomy. Machine Learning, Cybersecurity, Databases and Operating Systems. Economics, Personal Finance, Psychology and Rocketry. Plus AP, SAT and GRE preparation, and full PE Power and FE Electrical & Computer licensure prep with timed, per-area mock exams. Switch courses whenever you like. WHAT YOU GET • 13,000+ practice questions across 64 courses and 522 knowledge areas • Step-by-step worked solutions, with formulas rendered properly • Full-length timed mock exams with per-area score breakdowns (engineering courses) • Smart review that brings missed questions back on a spaced schedule • Streaks, streak freezes, daily goals, XP, achievements and gems • Progress tracked for every knowledge area WORKS ANYWHERE Everything lives on your device. No account, no sign-in, no internet after install, no ads, no tracking. Study on a plane, on the train, in a basement lab with no signal. Your progress never leaves your phone. ONE PURCHASE, NOT A SUBSCRIPTION Start free, then unlock the whole catalogue once. No monthly bill, ever. Faraday is an independent study aid and is not affiliated with, authorized, sponsored or endorsed by NCEES, the College Board, or ETS. Exam names are used only to describe the exams this material helps you prepare for.

Screenshots

ReactorN4 screens
Faraday4 screens

Verdict

The call

The clearest difference is in-app purchases: ReactorN at none against Faraday's 1. On price, ads, device support and iOS requirement there is nothing between them.

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. Faraday sells 1 one-off in-app purchase. ReactorN asks for nothing beyond the download.

Scorecard1 real difference Ā· 5 level
ReactorN versus Faraday: the parameters behind the verdict, then further details
ParameterReactorNFaraday
PriceFreeFree
Update frequency—Every 5 days
AdsNoNo
In-app purchasesNo — betterYes
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.016.0 — better
Further details — not scored
Size5 MB99 MB
Age rating4+4+
DeveloperTYH DANIEL MC LEANETAP

In-app purchases

None

ReactorN

No in-app purchases

1 purchases

Faraday

One-time1
  • Full Course Unlock$49.99

Questions

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

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