# Vivitar Mobile Reader vs DeFlock.me

The clearest difference is review sentiment: DeFlock.me at 83% against Vivitar Mobile Reader's 12%. DeFlock.me also leads on rating (4.7 vs 1.7) and update cadence (fortnightly vs every 4 months). Vivitar Mobile Reader's advantage is ratings volume (991 vs 292) and iOS requirement (9.0 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.

DeFlock.me holds the better App Store score, 4.7 against 1.7. Both are backed by a comparable volume of ratings — 991 and 292 respectively. Written reviews point the same way: 12% of Vivitar Mobile Reader's written reviews are positive against 83% of DeFlock.me's.

Vivitar Mobile Reader ships an update every 4 months, DeFlock.me fortnightly. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Vivitar Mobile Reader | DeFlock.me |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.7 (991 ratings)](https://appshunter.io/ios/app/vivitar-mobile-reader/id1502012385/reviews) | **[4.7 (292 ratings)](https://appshunter.io/ios/app/deflockme/id6752760780/reviews)** |
| Number of ratings | **991** | 292 |
| Positive reviews | 12.2% of reviews | **83.1% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Fortnightly** |
| Monetization | Free | Free |
| Size | 93 MB | 22 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [振峰 皮](https://appshunter.io/developer/1479286012) | [Tech BS LLC](https://appshunter.io/developer/1840808541) |

## What reviewers say

### 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


### DeFlock.me

[App page](https://appshunter.io/ios/app/deflockme/id6752760780)

This app provides a platform to view and contribute to a publicly accessible map of mass surveillance devices. Users can explore existing data and add new information about these devices.

**Highlights:** View ALPR data, Contribute ALPR data, Open map of surveillance devices, Publicly accessible data

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

**In-app purchases:** none


## Frequently asked questions

### Is Vivitar Mobile Reader free?

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

### Is DeFlock.me free?

DeFlock.me is free to download, with no in-app purchases.

### Which has better reviews, Vivitar Mobile Reader or DeFlock.me?

DeFlock.me is rated higher. Vivitar Mobile Reader averages 1.7 out of 5 from 991 ratings, while DeFlock.me averages 4.7 from 292 ratings.

### Do Vivitar Mobile Reader or DeFlock.me have ads?

Neither Vivitar Mobile Reader nor DeFlock.me shows ads.

### Which is updated more often, Vivitar Mobile Reader or DeFlock.me?

Vivitar Mobile Reader ships an update every 4 months, and DeFlock.me fortnightly. Most recently, Vivitar Mobile Reader was updated on November 3, 2026 and DeFlock.me on October 30, 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.*