Comparison

Elsevier eBooks on VitalSource vs ReactorN

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

Head to head
About

Elsevier eBooks on VitalSource

Access and read Elsevier textbooks on your iOS device. Download books for offline study, search your entire library, and add notes and highlights. Sync your progress across devices for a seamless learning experience.

Highlights
  • Download books for offline reading
  • Search entire library
  • Create notes and highlights
  • Sync across devices
  • Pinch to zoom figures
Features
Read full description

Use Elsevier® eBooks to download and access Elsevier textbooks on your iPad, iPhone or iPod Touch. Read your books online or offline, search across your full library, and create notes and highlights to help you study. Elsevier eBooks Features: • Download books to your iOS device for easy online or offline reading. • Simple, user-friendly navigation and a clean reading experience. • Search inside your current book or across your full library. • Select text to create notes or highlights from your mobile device. • Tap to open figures, view captions and pinch to zoom. • Sync your bookmarks, last page read and all of your notes and highlights between your iOS device and our desktop or web-based Elsevier eBooks apps. Requirements: • Elsevier eBooks account • Access to one or more Elsevier textbooks • iOS 17+

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

Elsevier eBooks on VitalSource4 screens
ReactorN4 screens

Verdict

The call

Elsevier eBooks on VitalSource 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 · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

ScorecardNo meaningful differences
Elsevier eBooks on VitalSource versus ReactorN: the parameters behind the verdict, then further details
ParameterElsevier eBooks on VitalSourceReactorN
PriceFreeFree
Rating4.7 (9.3K ratings) — better—
Positive reviews16.3% of reviews—
Number of ratings9.3K — better—
Update frequencyEvery 3 months—
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.617.0 — better
Further details — not scored
Size188 MB5 MB
Age rating4+4+
DeveloperElsevier Inc.TYH DANIEL MC LEAN

Bugs and requests

Elsevier eBooks on VitalSource

Reported bugs

3 issues
  • Repeated sentence/paragraph playback
  • Highlighted text disappearing across devices
  • Inability to download or access purchased books

Requested features

5 requests
  • Allow handwritten notes and annotations
  • Improve page-turning and scrolling functionality
  • Enhance diagram and image viewing experience
  • Integrate seamless cross-device synchronization
  • Provide more customization options (e.g., font, layout)

ReactorN

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Elsevier eBooks on VitalSource

No in-app purchases

None

ReactorN

No in-app purchases

Questions

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

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