# Mount Roar! vs Vivitar Mobile Reader

The clearest difference is review sentiment: Mount Roar! at 100% against Vivitar Mobile Reader's 12%. Mount Roar! also leads on rating (5.0 vs 1.7) and update cadence (every 6 weeks vs every 4 months). Vivitar Mobile Reader's advantage is ratings volume (999 vs 12) and iOS requirement (9.0 vs 15.6). 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.

Mount Roar! holds the better App Store score, 5.0 against 1.7. That said, the two scores are not equally well evidenced: Vivitar Mobile Reader has 999 ratings behind it against 12, so its average is the more settled of the two. Written reviews point the same way: 100% of Mount Roar!'s written reviews are positive against 12% of Vivitar Mobile Reader's.

Mount Roar! ships an update every 6 weeks, Vivitar Mobile Reader every 4 months. The most recent releases landed on November 2, 2026 and November 13, 2026 respectively.

## The numbers

| Metric | Mount Roar! | Vivitar Mobile Reader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (12 ratings)](https://appshunter.io/ios/app/mount-roar/id1213097503/reviews)** | [1.7 (999 ratings)](https://appshunter.io/ios/app/vivitar-mobile-reader/id1502012385/reviews) |
| Number of ratings | 12 | **999** |
| Positive reviews | **100.0% of reviews** | 12.2% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 4 months |
| Monetization | Free | Free |
| Size | 28 MB | 93 MB |
| Requires iOS | 15.6 | **9.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Mount St. Joseph University](https://appshunter.io/developer/1213097502) | [振峰 皮](https://appshunter.io/developer/1479286012) |

## What reviewers say

### Mount Roar!

[App page](https://appshunter.io/ios/app/mount-roar/id1213097503)

This official university app keeps students informed about campus news and events. It provides a direct line to the help center, facilitates connections with classmates, and allows viewing and exporting daily class schedules.

**Highlights:** Campus news and events updates, MSJ Help Center access, Connect with classmates, View daily class schedule, Export schedule to calendar

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

**In-app purchases:** none


### Vivitar Mobile Reader

[App page](https://appshunter.io/ios/app/vivitar-mobile-reader/id1502012385)

Manage and view media files like photos, videos, and music from your connected device. Organize, share, and play content with features like slideshows and music playback controls. Supports various document formats for comprehensive file management.

**Highlights:** Media thumbnail display, List/thumbnail view, File sharing, Copy/cut/delete/create/rename files, Slideshow mode for photos, Music playback with artwork, Document format support

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 🚀 Easy to use
- 👍 Works as expected
- 📷 Helpful for transferring photos

**What reviewers complain about**

- 🐛 Frequent crashes
- 🔌 Compatibility issues with newer devices
- 🤔 Confusing interface
- 💾 Unable to transfer certain file types (e.g., RAW images)

**Reported bugs**

- App crashes when inserting SD card
- Photos/videos not showing up in app
- Corrupted data after transfers

**Requested features**

- Ability to transfer files in bulk
- Support for more file types
- Improved stability and reliability


## Frequently asked questions

### Is Mount Roar! free?

Mount Roar! is free to download, with no in-app purchases.

### Is Vivitar Mobile Reader free?

Vivitar Mobile Reader is free to download, with no in-app purchases.

### Which has better reviews, Mount Roar! or Vivitar Mobile Reader?

Mount Roar! is rated higher. Mount Roar! averages 5.0 out of 5 from 12 ratings, while Vivitar Mobile Reader averages 1.7 from 999 ratings.

### Do Mount Roar! or Vivitar Mobile Reader have ads?

Neither Mount Roar! nor Vivitar Mobile Reader shows ads.

### Which is updated more often, Mount Roar! or Vivitar Mobile Reader?

Mount Roar! ships an update every 6 weeks, and Vivitar Mobile Reader every 4 months. Most recently, Mount Roar! was updated on November 2, 2026 and Vivitar Mobile Reader on November 13, 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.*