Sunline vs Deye ESS
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Sunline
This device combines inverter, solar charger, and battery charger functions for portable, uninterruptible power. Its LCD display allows easy configuration of charging current, power source priority, and input voltage.
- Multi-function inverter/charger
- Solar charger capability
- Battery charger capability
- Uninterruptible power support
- Comprehensive LCD display
- User-configurable settings
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This is a multi-function inverter/charger, combining functions of inverter, solar charger and battery charger to offer uninterruptible power support with portable size. Its comprehensive LCD display offers user-configurable and easy-accessible button operation such as battery charging current, AC/solar charger priority, and acceptable input voltage based on different applications.
Deye ESS
Manage your power station equipment throughout its lifecycle with smart, scenario-based energy storage. Features include real-time monitoring, efficient O&M, fault diagnosis, and a smart revenue calculator. Access nationwide electricity prices to optimize operations and maximize ROI.
- Full lifecycle equipment management
- All-in-one O&M with fault diagnosis
- AI-powered maintenance scheduling
- Real-time equipment monitoring
- Smart revenue calculator
- Nationwide electricity price lookup
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【Deye Energy Storage】 is a dedicated application designed for power station equipment management, delivering a smart and scenario-based energy storage experience. Here's what you can expect from the core features: 【Full Lifecycle Management】 Manage your energy storage equipment throughout its entire lifecycle, ensuring professional care and maintenance at every stage. 【Efficient All-in-One O\&M】 Integrates all-in-one operations and maintenance features, including fault diagnosis, performance optimization, and AI-powered maintenance scheduling—empowering you to manage daily operations efficiently while reducing costs. 【Reliable Real-Time Monitoring】 Monitor equipment status in real time with live data streams. Stay informed about system health and performance, ensuring stable operation and quick response to potential issues. 【Smart Revenue Calculator】 Calculate power station revenue on the fly. The built-in tool provides real-time financial analysis based on actual power output and local electricity prices, helping you optimize your strategy and maximize ROI. 【Nationwide Electricity Price Lookup】 Access up-to-date electricity prices across regions in China—anytime, anywhere. Stay ahead of market trends and adjust your operational plans accordingly. We believe the 【Deye Energy Storage】 app will become your trusted assistant in power station management. Download now and start your journey toward smarter, more efficient, and more convenient energy operations.
Screenshots
Verdict
The clearest difference is rating: Deye ESS at 5.0 against Sunline's 4.0. Deye ESS also leads on update cadence (every 10 days vs every 4 months). Sunline's advantage is ratings volume (4 vs 1) and iOS requirement (11.1 vs 13.0). On price, ads, in-app purchases and monetization model 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.
Deye ESS holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 4 and 1 respectively.
Sunline ships an update every 4 months, Deye ESS every 10 days. The most recent releases landed on September 10, 2026 and October 17, 2026 respectively.
| Parameter | Sunline | Deye ESS |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (4 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 4 — better | 1 |
| Update frequency | Every 4 months | Every 10 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 11.1 — better | 13.0 |
| Further details — not scored | ||
| Size | 7 MB | 103 MB |
| Age rating | 4+ | 17+ |
| Developer | Drift Innovation Ltd | Cuiji Technology (Shanghai) Co., Ltd. |
Customer experience
Sunline
Deye ESS
In-app purchases
Sunline
No in-app purchases
Deye ESS
No in-app purchases








