# Efergy Smart vs UGREEN NAS

The clearest difference is review sentiment: UGREEN NAS at 53% against Efergy Smart's 0%. UGREEN NAS also leads on rating (4.1 vs 3.0) and ratings volume (313 vs 1). Efergy Smart's advantage is update cadence (weekly vs monthly) and iOS requirement (11.0 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.

UGREEN NAS holds the better App Store score, 4.1 against 3.0. That said, the two scores are not equally well evidenced: UGREEN NAS has 313 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 0% of Efergy Smart's written reviews are positive against 53% of UGREEN NAS's.

Efergy Smart ships an update weekly, UGREEN NAS monthly. The most recent releases landed on October 8, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Efergy Smart | UGREEN NAS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (1 ratings)](https://appshunter.io/ios/app/efergy-smart/id6447052743/reviews) | **[4.1 (313 ratings)](https://appshunter.io/ios/app/ugreen-nas/id6458647408/reviews)** |
| Number of ratings | 1 | **313** |
| Positive reviews | 0.0% of reviews | **53.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Monthly |
| Monetization | Free | Free |
| Size | 196 MB | 725 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple TV** |
| Age rating | 4+ | 4+ |
| Developer | [Hangzhou LinkLink Technology Co., Ltd.](https://appshunter.io/developer/1624873635) | [深圳市绿联科技股份有限公司](https://appshunter.io/developer/1489890545) |

## What reviewers say

### Efergy Smart

[App page](https://appshunter.io/ios/app/efergy-smart/id6447052743)

Monitor your home's electricity consumption in real-time and receive personalized recommendations to improve energy efficiency and reduce costs. Visualize your energy usage patterns over time with detailed historical data and graphical comparisons.

**Highlights:** Real-time electricity monitoring, Historical energy usage data, Graphical comparisons (hourly, daily, weekly, monthly), Actionable energy-saving recommendations, Smart home energy management

**Features:** macOS Compatibility, Siri integration

**In-app purchases:** none


### UGREEN NAS

[App page](https://appshunter.io/ios/app/ugreen-nas/id6458647408)

Manage your personal data across devices with this application for a UGOS Pro system. It offers comprehensive control over user access, hardware, network, and file services. Organize and access your files, photos, and media libraries efficiently with advanced features and security.

**Highlights:** User and access permission management, Hardware and network configuration, Multiple storage modes (RAID, JBOD), Intelligent file filtering and sharing, Photo and video album creation, Automated media library poster walls, Integrated virus scanning

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

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 🚀 Fast and responsive
- 💡 Frequent updates and improvements
- 🔒 Secure remote access
- 🔥 Great value for money

**What reviewers complain about**

- 🐛 Connectivity issues
- 🔋 Battery drain problems
- 🤔 Unintuitive user interface
- 🌐 Limited language support
- 🔍 Lacking advanced features

**Reported bugs**

- Crashes when uploading large files
- Sync issues causing data loss
- Remote access not working as expected
- Incompatibility with certain devices/OSes
- Media player bugs (audio/video desync, choppy playback)

**Requested features**

- Dedicated photo/video viewer app for Apple TV
- Ability to edit metadata for media files
- Integration with Files app for seamless storage
- Dark mode option
- Improved media playback performance


## Frequently asked questions

### Is Efergy Smart free?

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

### Is UGREEN NAS free?

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

### Which has better reviews, Efergy Smart or UGREEN NAS?

UGREEN NAS is rated higher. Efergy Smart averages 3.0 out of 5 from 1 ratings, while UGREEN NAS averages 4.1 from 313 ratings.

### Do Efergy Smart or UGREEN NAS have ads?

Neither Efergy Smart nor UGREEN NAS shows ads.

### Which is updated more often, Efergy Smart or UGREEN NAS?

Efergy Smart ships an update weekly, and UGREEN NAS monthly. Most recently, Efergy Smart was updated on October 8, 2026 and UGREEN NAS on October 21, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*