Comparison

Sunline vs Deye ESS

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Multi-function inverter/charger
  • Solar charger capability
  • Battery charger capability
  • Uninterruptible power support
  • Comprehensive LCD display
  • User-configurable settings
Features
Read full description

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.

About

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.

Highlights
  • 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
Features
Read full description

【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

Sunline4 screens
Deye ESS4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard4 real differences · 6 level
Sunline versus Deye ESS: the parameters behind the verdict, then further details
ParameterSunlineDeye ESS
PriceFreeFree
Rating4.0 (4 ratings)5.0 (1 ratings) — better
Positive reviews50.0% of reviews—
Number of ratings4 — better1
Update frequencyEvery 4 monthsEvery 10 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPod
Requires iOS11.1 — better13.0
Further details — not scored
Size7 MB103 MB
Age rating4+17+
DeveloperDrift Innovation LtdCuiji Technology (Shanghai) Co., Ltd.

Customer experience

Sunline

All ratings4 ratings
Positive50.0%
Neutral50.0%
Negative0.0%
Written reviews2 reviews
Positive50.0%
Neutral50.0%
Negative0.0%

Deye ESS

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Sunline

No in-app purchases

None

Deye ESS

No in-app purchases

Questions

Is Sunline free?
Sunline is free to download, with no in-app purchases.
Is Deye ESS free?
Deye ESS is free to download, with no in-app purchases.
Which has better reviews, Sunline or Deye ESS?
Deye ESS is rated higher. Sunline averages 4.0 out of 5 from 4 ratings, while Deye ESS averages 5.0 from 1 ratings.
Do Sunline or Deye ESS have ads?
Neither Sunline nor Deye ESS shows ads.
Which is updated more often, Sunline or Deye ESS?
Sunline ships an update every 4 months, and Deye ESS every 10 days. Most recently, Sunline was updated on September 10, 2026 and Deye ESS on October 17, 2026.

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