Comparison

EMA App vs RENAC SEC

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

Head to head
About

EMA App

Monitor your solar energy system's performance in real-time and review historical data. Track power output, environmental benefits, and system details for APsystems microinverter users.

Highlights
  • Real-time output power display
  • Historical power output tracking
  • Environmental benefits monitoring
  • Daily, monthly, yearly, and lifetime output review
  • System registration and equipment profile
  • Installer contact information
Features
Read full description

EMA App is an energy monitoring application for smart phones, designed for end users of APsystems microinverter products. Users can check the real-time performance, historical power output, and environmental benefits of their PV system. Main function: -Display the system real-time output power -Dynamically switch between PV system historical output power and environmental benefits -Monitor and review system output by Day, Month, Year and Lifetime of the PV array -Display the registration information, equipment profile and installer contact information for the PV system

About

RENAC SEC

Monitor and intelligently control your Renac inverter with this advanced energy management system. It offers solutions for distributed generation and microgrid systems, leveraging cloud computing and big data for efficient solar plant operations.

Highlights
  • String inverter monitoring
  • Hybrid inverter control
  • Intelligent energy management
  • Distributed generation solutions
  • Microgrid system management
  • Solar plant operations platform
Features
Read full description

RENAC Power technology co., LTD, focuses on providing advanced string inverters, hybrid inverters and integrated intelligent energy management system solutions for the distributed generation systems and micro grid systems. Meanwhile, considering the future PV market, in 2016 we established a new “solar plant operations & management platform center“. Based on continuous innovations of customer requirements, we keep developing in PV energy internet, mobile internet, cloud computing, big data and some other areas. With the operation and maintenance management experience of multiple centralized and distributed PV power projects in the world, RENAC Power has the powerful strength to manage the solar power plant. This APP is used for monitoring and intelligent control of the Renac inverter.

Screenshots

EMA App4 screens
RENAC SEC4 screens

Verdict

The call

The clearest difference is rating: EMA App at 2.5 against RENAC SEC's 1.0. EMA App also leads on ratings volume (112 vs 1) and update cadence (every 2 weeks vs every 5 weeks). 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

EMA App holds the better App Store score, 2.5 against 1.0. That said, the two scores are not equally well evidenced: EMA App has 112 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 27% of EMA App's written reviews are positive against 17% of RENAC SEC's.

UpkeepUpdate frequency

EMA App ships an update every 2 weeks, RENAC SEC every 5 weeks. The most recent releases landed on September 22, 2026 and September 6, 2026 respectively.

Scorecard4 real differences · 6 level
EMA App versus RENAC SEC: the parameters behind the verdict, then further details
ParameterEMA AppRENAC SEC
PriceFreeFree
Rating2.5 (112 ratings) — better1.0 (1 ratings)
Positive reviews26.8% of reviews — better16.7% of reviews
Number of ratings112 — better1
Update frequencyEvery 2 weeks — betterEvery 5 weeks
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.0 — better15.6
Further details — not scored
Size251 MB35 MB
Age rating4+4+
DeveloperAltenergy Power System,Inc.无锡乐伏网络科技有限公司

Customer experience

EMA App

All ratings112 ratings
Positive32.1%
Neutral8.9%
Negative58.9%
Written reviews355 reviews
Positive26.8%
Neutral15.2%
Negative58.0%

RENAC SEC

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews24 reviews
Positive16.7%
Neutral8.3%
Negative75.0%

Bugs and requests

EMA App

Reported bugs

20 issues
  • App won't open on iPad after recent updates
  • Night/dark mode doesn't persist when app is closed
  • Login screen infinite loading circle
  • App crashes regularly and becomes unusable
  • Data page requires manual selection every time to display information
Show 15 more
  • Zoom feature too sensitive and uncontrollable
  • Environmental Protection Benefit data resets after firmware updates
  • App offline more often than online
  • Cannot edit user ID after installation
  • Privacy Policy agreement screen unresponsive
  • Version number doesn't update correctly after app updates
  • No data displayed after latest updates
  • App doesn't show 2025 year
  • Panels stop generating power without notification
  • Data missing until after sunset
  • App requires reinstall to regain access
  • Module page disappeared in recent updates
  • App only works on home WiFi, not cellular data
  • Slow data refresh rates (5-minute intervals)
  • Inconsistent date handling

Requested features

20 requests
  • iOS widgets for home screen and lock screen
  • Apple Watch app and watch face widgets
  • iPad app with landscape mode support
  • Auto-refresh functionality for live data updates
  • Persistent login credentials
Show 15 more
  • Automatic dark mode based on system settings
  • 13-month view instead of 12 months for year-over-year comparison
  • Month and year navigation by month/year instead of daily increments
  • CSV export functionality for data
  • Real-time data instead of delayed updates
  • Home energy consumption and grid export data display
  • Ability to set custom billing period dates
  • Alert notifications for system failures or low production
  • Zoom control for data charts
  • Realistic panel layout configuration
  • Historical data access by clicking on specific dates
  • Live Activities feature
  • Ability to edit user ID and account details
  • Messaging system for alerts
  • Referral tracking system

RENAC SEC

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

EMA App

No in-app purchases

None

RENAC SEC

No in-app purchases

Questions

Is EMA App free?
EMA App is free to download, with no in-app purchases.
Is RENAC SEC free?
RENAC SEC is free to download, with no in-app purchases.
Which has better reviews, EMA App or RENAC SEC?
EMA App is rated higher. EMA App averages 2.5 out of 5 from 112 ratings, while RENAC SEC averages 1.0 from 1 ratings.
Do EMA App or RENAC SEC have ads?
Neither EMA App nor RENAC SEC shows ads.
Which is updated more often, EMA App or RENAC SEC?
EMA App ships an update every 2 weeks, and RENAC SEC every 5 weeks. Most recently, EMA App was updated on September 22, 2026 and RENAC SEC on September 6, 2026.

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