# Elsevier eLibrary Reader vs Demon Math Hunter

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.

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

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.

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.

## The numbers

| Metric | Elsevier eLibrary Reader | Demon Math Hunter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (79 ratings)](https://appshunter.io/ios/app/elsevier-elibrary-reader/id893996694/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/demon-math-hunter/id6781159384/reviews)** |
| Number of ratings | **79** | 3 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 4 days** |
| Monetization | Free | Free |
| Size | 62 MB | 131 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Elsevier (Singapore) Pte Ltd](https://appshunter.io/developer/551008824) | [JINGJIE YANG](https://appshunter.io/developer/6780358445) |

## What reviewers say

### Elsevier eLibrary Reader

[App page](https://appshunter.io/ios/app/elsevier-elibrary-reader/id893996694)

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

**In-app purchases:** none

**What reviewers complain about**

- ❌ Unable to log in
- ❌ Invalid credentials error
- ❌ App is useless
- ❌ Frustrating user experience
- ❌ Falling behind technologically

**Reported bugs**

- Login failure
- Invalid login credentials
- App does not work
- Cannot sign into apps
- Credentials not being accepted

**Requested features**

- Fix the login issue
- Improve app functionality
- Make the app compatible with online books


### Demon Math Hunter

[App page](https://appshunter.io/ios/app/demon-math-hunter/id6781159384)

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:** macOS Compatibility

**In-app purchases:** none


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*