# DUO LINK 4 vs Feit Electric

The clearest difference is rating: Feit Electric at 4.7 against DUO LINK 4's 2.1. Feit Electric also leads on ratings volume (273K vs 513) and chart position (#91 vs unranked). DUO LINK 4's advantage is iOS requirement (11.0 vs 13.0). On price, review sentiment, update cadence and ads there is nothing between them.

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

Feit Electric holds the better App Store score, 4.7 against 2.1. That said, the two scores are not equally well evidenced: Feit Electric has 273K ratings behind it against 513, so its average is the more settled of the two. Written reviews complicate that: 20% of DUO LINK 4's written reviews are positive against 16% of Feit Electric's, so the app with the better star average is not the one people write more warmly about.

DUO LINK 4 ships an update every 2 months, Feit Electric every 3 months. The most recent releases landed on October 24, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | DUO LINK 4 | Feit Electric |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.1 (513 ratings)](https://appshunter.io/ios/app/duo-link-4/id1103672387/reviews) | **[4.7 (273K ratings)](https://appshunter.io/ios/app/feit-electric/id1333066476/reviews)** |
| Number of ratings | 513 | **273K** |
| Positive reviews | **19.8% of reviews** | 16.4% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Free | Free |
| Best chart rank | — | **#91** |
| Size | 123 MB | 241 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPod, Apple Watch |
| Age rating | 4+ | 12+ |
| Developer | [PNY](https://appshunter.io/developer/1103672386) | [Feit Electric](https://appshunter.io/developer/1022520207) |

## What reviewers say

### DUO LINK 4

[App page](https://appshunter.io/ios/app/duo-link-4/id1103672387)

Manage and transfer files between your iOS device and a USB flash drive. Free up storage, back up data, and even charge your device. Supports a wide range of file formats for seamless integration.

**Highlights:** Free up iPhone/iPad space, Charge iOS devices, Back up contacts, Transfer photos and videos, Store photos directly, Manage files, Music and video playback

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 🚀 Efficient file transfer
- 💡 Useful for freeing up phone storage
- 👍 Straightforward to use

**What reviewers complain about**

- 🐛 Frequent app crashes
- 🔍 Confusing or limited UI
- 🔌 Compatibility issues with newer devices
- 💾 Data loss or corruption

**Reported bugs**

- App fails to detect connected device
- Transferred files not visible or accessible
- Inconsistent behavior when renaming folders

**Requested features**

- Add 'select all' option for photos/files
- Support for more file formats
- Improve iPad app experience
- Integrate with native Files app


### Feit Electric

[App page](https://appshunter.io/ios/app/feit-electric/id1333066476)

**Currently charting:** #91 Top Free · Lifestyle (US App Store)

Control your Feit Electric LED Smart Bulbs remotely. Adjust brightness, set schedules, and group lights. Customize colors and color temperature for supported bulbs.

**Highlights:** Remote control, On/Off functionality, Dimming, Grouping lights, Timers and schedules, Color customization, Color temperature tuning

**Features:** Apple Watch app, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 💡 Easy to schedule and set up
- 🚀 Reliable and stable
- 👍 Great product for home security and safety
- 👍 Responsive devices

**What reviewers complain about**

- 🐛 Inconsistent and unreliable app performance
- 🐛 Difficult to connect and stay connected to devices
- 👎 Unintuitive and confusing app interface
- 🐛 Group functionality not working
- 🐛 Automation and scheduling issues

**Reported bugs**

- Devices randomly going offline
- Automation and scheduling not working as expected
- App freezing and crashing
- Inconsistent device status reporting
- Incompatibility with newer iOS versions

**Requested features**

- Add dark mode option
- Improve scheduling and automation features
- Enhance app interface and usability
- Improve device connectivity and reliability
- Expand device compatibility and support


## Frequently asked questions

### Is DUO LINK 4 free?

DUO LINK 4 is free to download, with no in-app purchases.

### Is Feit Electric free?

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

### Which has better reviews, DUO LINK 4 or Feit Electric?

Feit Electric is rated higher. DUO LINK 4 averages 2.1 out of 5 from 513 ratings, while Feit Electric averages 4.7 from 273K ratings.

### Do DUO LINK 4 or Feit Electric have ads?

Neither DUO LINK 4 nor Feit Electric shows ads.

### Which is updated more often, DUO LINK 4 or Feit Electric?

DUO LINK 4 ships an update every 2 months, and Feit Electric every 3 months. Most recently, DUO LINK 4 was updated on October 24, 2026 and Feit Electric 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.*