Comparison

Deye ESS vs Eco

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

Head to head
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.

About

Eco

Features
Read full description

EcoWatt Monitor & manage PV, BESS, DG, and EVSE — unlock seamless energy synergy and intelligent scheduling from your iPhone. EcoWatt puts complete control of your renewable ecosystem in your pocket. Real-time visibility into solar generation, battery storage, diesel backup, and EV charging — all unified in one powerful, intuitive app. Core Features Live System Tracking Instant view of power flow: • PV output (kW) • BESS charge/discharge (SoC %) • DG runtime & fuel status • EVSE charging speed & sessions Smart Energy Orchestration AI automatically balances loads, prioritizes solar, activates DG only when needed, and schedules EV charging during off-peak hours. Remote Operations & Alerts Start/stop generators, adjust BESS modes, or override schedules — from anywhere. Get push notifications for faults, low battery, or grid outages. Health & Efficiency Dashboard Monitor system uptime, energy yield, and component performance. Spot issues early with predictive maintenance insights. Multi-Site Ready Switch between home, business, or fleet locations with a single tap.

Screenshots

Deye ESS4 screens
Eco4 screens

Verdict

The call

The clearest difference is iOS requirement: Deye ESS at 13.0 against Eco's 15.0. On price, update cadence, ads and in-app purchases 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.

UpkeepUpdate frequency

Deye ESS ships an update weekly, Eco every 2 weeks. The most recent releases landed on September 12, 2026 and September 14, 2026 respectively.

Scorecard1 real difference · 8 level
Deye ESS versus Eco: the parameters behind the verdict, then further details
ParameterDeye ESSEco
PriceFreeFree
Rating5.0 (1 ratings) — better
Number of ratings1 — better
Update frequencyWeekly — betterEvery 2 weeks
AdsNoNo
In-app purchasesNoNo
MonetizationFree
DevicesiPhone, iPodiPhone, iPod
Requires iOS13.0 — better15.0
Further details — not scored
Size84 MB22 MB
Age rating17+4+
Developer萃绩科技(上海)有限公司Ecowatt Technologies, Inc.

In-app purchases

None

Deye ESS

No in-app purchases

None

Eco

No in-app purchases

Questions

Is Deye ESS free?
Deye ESS is free to download, with no in-app purchases.
Is Eco free?
Eco is free to download, with no in-app purchases.
Do Deye ESS or Eco have ads?
Neither Deye ESS nor Eco shows ads.
Which is updated more often, Deye ESS or Eco?
Deye ESS ships an update weekly, and Eco every 2 weeks. Most recently, Deye ESS was updated on September 12, 2026 and Eco on September 14, 2026.

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