Comparison

Elsevier eLibrary Reader vs Demon Math Hunter

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

Head to head
About

Elsevier eLibrary Reader

Access and read Elsevier's ebooks on your mobile devices. Organize your library into shelves, customize your reading experience with notes and highlights, and easily navigate through content. Download books directly from the eLibrary website.

Highlights
  • Read Elsevier ebooks on mobile
  • Organize books into shelves
  • Customize reading experience
  • Add notes and highlights
  • Bookmark pages
  • Search for keywords
  • Navigate via table of contents
Read full description

With the Elsevier eLibrary Reader App you can read Elsevier’s ebooks on your iPad, iPhone, and iPod Touch. You can organize books in to shelves, customize your reading experience, add notes or highlights to specific passages, bookmark a page and download ebooks from our eLibrary website. Download ebooks From Elsevier eLibrary website Customize your reading experience: · Add notes or highlights to specific passages, bookmark pages/locations · Select among four typefaces and adjust font size, set margins · Set background color of the Reader · Switch between horizontal swipe and vertical scroll · Set brightness level Organize: · Organize your ebooks/content by creating shelves Navigation: · Search for specific keywords and navigate to a specific passage by picking a search result · Swipe or scroll to go to previous or next page · Use the page slider to quickly navigate across · Go to specific passages from the table listing the personalization · Table of contents Formats supported: · DRM pdf from Elsevier eLibrary.

About

Demon Math Hunter

This app transforms math practice into an engaging K-pop adventure where players battle cute demons by solving problems. It offers five distinct math domains, collectible avatars, and an adaptive difficulty system suitable for K-5 levels. Enjoy offline play with no ads or data collection.

Highlights
  • K-pop themed math battles
  • Five core math domains
  • Collectible hunter avatars
  • Offline play
  • Adaptive difficulty (K-5)
  • No ads or data collection
Features
Read full description

DemonBeat turns math practice into a neon K-pop adventure. Pick a hunter, step on stage, and defeat cute demons by answering math problems — fast fingers and quick math win the battle. WHAT'S INSIDE • Five demon worlds, each tied to a core elementary math domain — operations, place value, fractions, measurement, and geometry • A Demon King finale that mixes everything you've learned • 10 collectible hunter avatars • Earn coins, adopt pets, and watch them evolve • An original K-pop battle soundtrack — one track per world • Adaptive difficulty that scales from Kindergarten through Grade 5 WHY PARENTS LIKE IT • Real K–5 math practice disguised as a game kids actually want to play • 100% offline — no internet needed • No ads. No server accounts. No data collected. Ever. • Local save slots: just a stage name and a 4-digit PIN, kept on the device DemonBeat is safe and self-contained: nothing is uploaded, nothing is tracked, everything stays on your device.

Screenshots

Elsevier eLibrary Reader3 screens
Demon Math Hunter4 screens

Verdict

The call

The clearest difference is rating: Demon Math Hunter at 5.0 against Elsevier eLibrary Reader's 1.0. Demon Math Hunter also leads on update cadence (every 4 days vs every 4 months). Elsevier eLibrary Reader's advantage is ratings volume (79 vs 3) and iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and monetization model 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

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

Demon Math Hunter holds the better App Store score, 5.0 against 1.0. That said, the two scores are not equally well evidenced: Elsevier eLibrary Reader has 79 ratings behind it against 3, so its average is the more settled of the two.

UpkeepUpdate frequency

Elsevier eLibrary Reader ships an update every 4 months, Demon Math Hunter every 4 days. The most recent releases landed on October 8, 2026 and October 15, 2026 respectively.

Scorecard4 real differences · 6 level
Elsevier eLibrary Reader versus Demon Math Hunter: the parameters behind the verdict, then further details
ParameterElsevier eLibrary ReaderDemon Math Hunter
PriceFreeFree
Rating1.0 (79 ratings)5.0 (3 ratings) — better
Positive reviews0.0% of reviews—
Number of ratings79 — better3
Update frequencyEvery 4 monthsEvery 4 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better15.0
Further details — not scored
Size62 MB131 MB
Age rating17+4+
DeveloperElsevier (Singapore) Pte LtdJINGJIE YANG

Customer experience

Elsevier eLibrary Reader

All ratings79 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews58 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Demon Math Hunter

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Elsevier eLibrary Reader

Reported bugs

6 issues
  • Login failure
  • Invalid login credentials
  • App does not work
  • Cannot sign into apps
  • Credentials not being accepted
Show 1 more
  • Login issues persist for years

Requested features

3 requests
  • Fix the login issue
  • Improve app functionality
  • Make the app compatible with online books

Demon Math Hunter

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Elsevier eLibrary Reader

No in-app purchases

None

Demon Math Hunter

No in-app purchases

Questions

Is Elsevier eLibrary Reader free?
Elsevier eLibrary Reader is free to download, with no in-app purchases.
Is Demon Math Hunter free?
Demon Math Hunter is free to download, with no in-app purchases.
Which has better reviews, Elsevier eLibrary Reader or Demon Math Hunter?
Demon Math Hunter is rated higher. Elsevier eLibrary Reader averages 1.0 out of 5 from 79 ratings, while Demon Math Hunter averages 5.0 from 3 ratings.
Do Elsevier eLibrary Reader or Demon Math Hunter have ads?
Neither Elsevier eLibrary Reader nor Demon Math Hunter shows ads.
Which is updated more often, Elsevier eLibrary Reader or Demon Math Hunter?
Elsevier eLibrary Reader ships an update every 4 months, and Demon Math Hunter every 4 days. Most recently, Elsevier eLibrary Reader was updated on October 8, 2026 and Demon Math Hunter on October 15, 2026.

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