# Elsevier eBooks on VitalSource vs COA Practice Prep Test

The clearest difference is in-app purchases: Elsevier eBooks on VitalSource at none against COA Practice Prep Test's 2. COA Practice Prep Test's advantage is iOS requirement (13.0 vs 17.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. COA Practice Prep Test sells 2 one-off in-app purchases. Elsevier eBooks on VitalSource asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on October 24, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Elsevier eBooks on VitalSource | COA Practice Prep Test |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (9.4K ratings)](https://appshunter.io/ios/app/elsevier-ebooks-on-vitalsource/id1147791956/reviews)** | — |
| Number of ratings | **9.4K** | — |
| Positive reviews | 16.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | Free | — |
| Size | 188 MB | 52 MB |
| Requires iOS | 17.6 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Elsevier Inc.](https://appshunter.io/developer/367031326) | [3328833 Nova Scotia Limited](https://appshunter.io/developer/1757830011) |

## What reviewers say

### Elsevier eBooks on VitalSource

[App page](https://appshunter.io/ios/app/elsevier-ebooks-on-vitalsource/id1147791956)

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:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Convenient digital access
- 📚 Helpful study tools (e.g., flashcards)
- 👍 User-friendly interface

**What reviewers complain about**

- 🐛 Frequent login issues
- 📱 Poor mobile app experience
- 🔍 Difficult navigation and book access
- 🔊 Subpar text-to-speech quality
- 💻 Compatibility problems across devices

**Reported bugs**

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

**Requested features**

- 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)


### COA Practice Prep Test

[App page](https://appshunter.io/ios/app/coa-practice-prep-test/id6745927658)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Access | $9.99 | one-time |
| Lifetime Offer | $9.99 | one-time |


## Frequently asked questions

### Is Elsevier eBooks on VitalSource free?

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

### Is COA Practice Prep Test free?

COA Practice Prep Test is free to download, with in-app purchases available.

### Do Elsevier eBooks on VitalSource or COA Practice Prep Test have ads?

Neither Elsevier eBooks on VitalSource nor COA Practice Prep Test shows ads.

### Which is updated more often, Elsevier eBooks on VitalSource or COA Practice Prep Test?

Elsevier eBooks on VitalSource ships an update every 3 months, and COA Practice Prep Test every 3 months. Most recently, Elsevier eBooks on VitalSource was updated on October 24, 2026 and COA Practice Prep Test on October 17, 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.*