U vs SmartESS
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
U
This application provides secure, two-shake access to areas protected by U-Prox access controllers. It can store multiple keys, allowing for use in various independent locations with an easy-to-use interface.
- Two-shake access
- Stores multiple keys
- Independent facility use
- U-Prox brand style interface
- Easy usability
Read full descriptionHide full description
U-Prox Mobile ID is used to get two-shake access to the area secured by U-Prox family access controllers. The application stores more than one key - it makes possible to use U-Prox Mobile ID in independent facilities. U-Prox brand style interface makes the application usability as easy as it possible.
SmartESS
Monitor your energy storage machine's status in real-time with this mobile application. It offers easy-to-understand data visualization, historical data access from anywhere, and displays information in multiple dimensions. The app is designed for efficient data transfer with minimal internet traffic usage.
- Real-time energy storage machine monitoring
- Intelligent data visualization
- Simple and easy-to-understand charts
- Access historical data anytime, anywhere
- Multi-dimensional data display
- Low internet traffic usage
Read full descriptionHide full description
Optical storage treasure is a mobile terminal application software for intelligent monitoring energy storage machine, which enables users to monitor the energy storage machine status information in real time more easily and quickly. intelligent Data visualization, the chart is simple and easy to understand More wise Show real-time and historical data over the web anytime, anywhere rich Display real-time and historical data in multiple dimensions save The traffic generated by the Internet is small, fast, and does not occupy large traffic charges.
Screenshots
Verdict
The clearest difference is rating: U at 4.8 against SmartESS's 2.7. SmartESS's advantage is ratings volume (127 vs 26) and iOS requirement (13.0 vs 16.0). On price, review sentiment, update cadence and ads there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
U holds the better App Store score, 4.8 against 2.7. Both are backed by a comparable volume of ratings — 26 and 127 respectively. Written reviews complicate that: 18% of U's written reviews are positive against 20% of SmartESS's, so the app with the better star average is not the one people write more warmly about.
U ships an update every 2 months, SmartESS monthly. The most recent releases landed on October 21, 2026 and October 23, 2026 respectively.
| Parameter | U | SmartESS |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (26 ratings) — better | 2.7 (127 ratings) |
| Positive reviews | 18.2% of reviews | 19.7% of reviews — better |
| Number of ratings | 26 | 127 — better |
| Update frequency | Every 2 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Requires iOS | 16.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 85 MB | 198 MB |
| Age rating | 4+ | 4+ |
| Developer | a2softin | 祥梯 孟 |
Customer experience
U
SmartESS
In-app purchases
U
No in-app purchases
SmartESS
No in-app purchases









