# DUO vs EnAPP

The clearest difference is rating: EnAPP at 5.0 against DUO's 2.5. DUO's advantage is ratings volume (86 vs 1) and iOS requirement (8.0 vs 11.0). On price, update cadence, ads and in-app purchases there is nothing between them.

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

EnAPP holds the better App Store score, 5.0 against 2.5. That said, the two scores are not equally well evidenced: DUO has 86 ratings behind it against 1, so its average is the more settled of the two.

DUO ships an update every 3 months, EnAPP every 6 weeks. The most recent releases landed on October 28, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | DUO | EnAPP |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.5 (86 ratings)](https://appshunter.io/ios/app/duo-link-30/id1088185359/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/enapp/id1516048180/reviews)** |
| Number of ratings | **86** | 1 |
| Positive reviews | 14.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 6 weeks** |
| Monetization | Free | Free |
| Size | 34 MB | 34 MB |
| Requires iOS | **8.0** | 11.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Gopod Group Limited](https://appshunter.io/developer/975108489) | [江苏易安联](https://appshunter.io/developer/1516048179) |

## What reviewers say

### DUO

[App page](https://appshunter.io/ios/app/duo-link-30/id1088185359)

This multi-functional storage device offers a dual connector for seamless file transfer and management between Apple devices and computers. It allows for backing up contacts, streaming high-definition videos, and managing files directly from the device.

**Highlights:** Dual USB and Lightning connectors, Contact backup and restore, Independent music and video playback, 1080p video streaming, File management (copy, delete, export), Browse external and local files

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- ✅ Easy file transfer between devices
- 📱 Works with multiple iOS devices
- 🎵 Can store and play media files
- 💾 Provides additional storage capacity
- 🔄 Simple backup functionality for photos/videos

**What reviewers complain about**

- 🐛 Frequent app crashes and freezes
- ❌ Incompatible with newer iPhone models
- 📉 Poor app stability after updates
- 🔌 Hardware not recognized by app
- 💥 Data loss issues reported

**Reported bugs**

- App crashes when playing MP3 files
- App crashes when transferring large files
- App crashes when viewing videos
- App crashes when adjusting volume during video playback
- App crashes when copying photos

**Requested features**

- Video thumbnail preview functionality
- File sharing with other applications
- Password/file locking capability
- Ability to select multiple files in view mode
- Wireless streaming to Apple TV


### EnAPP

[App page](https://appshunter.io/ios/app/enapp/id1516048180)

This mobile component is part of a comprehensive security solution based on zero-trust principles. It integrates terminal, application access, and data interaction security to create a unified platform. The solution aims to move beyond fragmented traditional network security models.

**Highlights:** Zero-trust security principles, SDP architecture, Unified terminal security, Application access security, Data interaction security, Integrated security solution

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is DUO free?

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

### Is EnAPP free?

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

### Which has better reviews, DUO or EnAPP?

EnAPP is rated higher. DUO averages 2.5 out of 5 from 86 ratings, while EnAPP averages 5.0 from 1 ratings.

### Do DUO or EnAPP have ads?

Neither DUO nor EnAPP shows ads.

### Which is updated more often, DUO or EnAPP?

DUO ships an update every 3 months, and EnAPP every 6 weeks. Most recently, DUO was updated on October 28, 2026 and EnAPP on October 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.*