# CRT/RRT Flash Cards vs Elsevier eBooks+

The clearest difference is price: Elsevier eBooks+ at Free against CRT/RRT Flash Cards's $57.00. Elsevier eBooks+ also leads on update cadence (every 2 months vs every 29 months). CRT/RRT Flash Cards's advantage is iOS requirement (15.0 vs 17.6). On ads, in-app purchases and device support there is nothing between them.

Elsevier eBooks+ is free to download; CRT/RRT Flash Cards costs $57.00 up front. Neither carries in-app purchases, so what you see is what you pay.

CRT/RRT Flash Cards ships an update every 29 months, Elsevier eBooks+ every 2 months. The most recent releases landed on October 26, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | CRT/RRT Flash Cards | Elsevier eBooks+ |
| --- | --- | --- |
| Price | $57.00 | **Free** |
| Rating | — | **[4.8 (1.9K ratings)](https://appshunter.io/ios/app/elsevier-ebooks-plus/id1643980050/reviews)** |
| Number of ratings | — | **1.9K** |
| Positive reviews | — | 42.9% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 29 months | **Every 2 months** |
| Monetization | — | Freemium |
| Size | 13 MB | 183 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [RTS Publishing Co Inc](https://appshunter.io/developer/604916069) | [Elsevier Inc.](https://appshunter.io/developer/367031326) |

## What reviewers say

### CRT/RRT Flash Cards

[App page](https://appshunter.io/ios/app/crtrrt-flash-cards/id1492505979)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Elsevier eBooks+

[App page](https://appshunter.io/ios/app/elsevier-ebooks-plus/id1643980050)

Access your medical textbooks offline and enhance your learning with tools for note-taking, highlighting, and flashcard creation. Sync your progress and annotations across devices for a seamless study experience.

**Highlights:** Offline book access, Note-taking and highlighting, Flashcard creation, Cross-device syncing, In-book search, Figure viewing and zooming

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Student / Study friendly
- 🚀 Enhances content
- 👍 Ebooks from Elsevier
- 👍 Great app

**What reviewers complain about**

- 🐛 Unable to view images/tables
- 🐛 Useless for medical textbooks
- 🐛 Positioning issues
- 🐛 Scrolling and zooming problems
- 🐛 Slow loading times

**Reported bugs**

- Figures placed at the end of chapters
- Search function only works for single words
- Inability to clear search history
- Freezing and crashing issues
- Incompatibility with older devices

**Requested features**

- More highlighting and note-taking options
- Ability to write, draw, or paste images on pages
- Separate flashcard option integration with Anki/Quizlet
- More font size options
- Streamlined text selection for voiceover


## Frequently asked questions

### Is CRT/RRT Flash Cards free?

CRT/RRT Flash Cards costs $57.00, with no in-app purchases.

### Is Elsevier eBooks+ free?

Elsevier eBooks+ is free to download, with no in-app purchases.

### Do CRT/RRT Flash Cards or Elsevier eBooks+ have ads?

Neither CRT/RRT Flash Cards nor Elsevier eBooks+ shows ads.

### Which is updated more often, CRT/RRT Flash Cards or Elsevier eBooks+?

CRT/RRT Flash Cards ships an update every 29 months, and Elsevier eBooks+ every 2 months. Most recently, CRT/RRT Flash Cards was updated on October 26, 2026 and Elsevier eBooks+ on October 27, 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.*