Comparison

Fronius Solar.web vs EMA Manager

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

Head to head
About

Fronius Solar.web

Monitor your photovoltaic system's performance with live data, historical energy trends, and expected generation. Manage batteries, analyze earnings, and view system components. Widgets provide quick access to key information.

Highlights
  • Live PV system data display
  • Historical energy data analysis
  • Expected generation forecasting
  • Battery management features
  • Earnings evaluation
  • System component viewing
  • Home and lock screen widgets
Features
Read full description

With the Fronius Solar.web App you have many useful features: - Useful display of live data of your PV system - Historical energy data in form of various time intervals - Expected generation data of your PV system* - Extended weather data* - Battery management with the Battery control and Energy Cost Assistant feature* - Adjust your device settings (i.e. Battery max. SoC)** - Evaluation and analysis of your earnings - Viewing the components of your PV system - Useful Widgets for your Lock- and Home Screen * Depends on your PV system configuration (Devices i.e. Smart Meter, Battery, ...) and Solar.web Premium subscription (Chargeable subscription). ** Fronius GEN24, Verto or Tauro needed. Minimal required firmware version 1.40.8-1 or higher

About

EMA Manager

Manage solar microinverter systems with this app. It offers real-time monitoring, diagnostics, and troubleshooting capabilities for installers, allowing for remote site management and enhanced customer service from a smartphone or tablet.

Highlights
  • System commissioning
  • Real-time monitoring
  • Diagnostics and troubleshooting
  • Remote site management
  • ECU and microinverter connectivity
  • Installer statistics
Features
Read full description

APsystems introduces the EMA Manager app, a new app to manage APsystems microinverter system commissioning, monitoring and troubleshooting. Installers can now enhance their customers service capabilities anywhere, anytime via their smartphone or tablet. This app conveniently streamlines monitored system installation while providing installers with many new and improved features for remote site management. Benefit from all existing features available in the EMA web portal on your smartphone or tablet using a single sign-in. Real-time systems check, diagnostics capabilities and troubleshooting are now coming to your hands with the EMA Manager App. This new app, available on APP Store which also includes a revamped ECU_APP, provides additional features including, ECU and microinverter connectivity, energy production, system troubleshooting, and full site configuration and monitoring capability without the need to be on-site. Included in the new app are installer-specific statistics, including total number of customers, inverters installed, and total energy produced which provides installers with valuable information as well as a unique selling tool to showcase their environmental impact. The new app is being introduced as APsystems has recently surpassed 100,000 registered installations in more than 120 countries on its EMA platform. As APsystems’ footprint continues to grow worldwide, this app redefines ease of solar inverter installation just as APsystems has redefined simplicity and convenience in its easy-to-install inverter platform.

Screenshots

Fronius Solar.web4 screens
EMA Manager4 screens

Verdict

The call

The clearest difference is monetization model: EMA Manager at free against Fronius Solar.web's free with in-app purchases. Fronius Solar.web's advantage is rating (3.1 vs 2.9). On price, review sentiment, ratings volume and update cadence 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

Fronius Solar.web holds the better App Store score, 3.1 against 2.9. Both are backed by a comparable volume of ratings — 7 and 16 respectively. Written reviews point the same way: 19% of Fronius Solar.web's written reviews are positive against 16% of EMA Manager's.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 3 weeks. Both last shipped on November 3, 2026.

Scorecard2 real differences · 8 level
Fronius Solar.web versus EMA Manager: the parameters behind the verdict, then further details
ParameterFronius Solar.webEMA Manager
PriceFreeFree
Rating3.1 (7 ratings) — better2.9 (16 ratings)
Positive reviews18.9% of reviews — better15.7% of reviews
Number of ratings716 — better
Update frequencyEvery 3 weeksEvery 3 weeks
AdsNoNo
In-app purchasesNoNo
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.015.0 — better
Further details — not scored
Size168 MB312 MB
Age rating17+4+
DeveloperFronius International GmbHAltenergy Power System,Inc.

Customer experience

Fronius Solar.web

All ratings7 ratings
Positive57.1%
Neutral0.0%
Negative42.9%
Written reviews545 reviews
Positive18.9%
Neutral13.4%
Negative67.7%

EMA Manager

All ratings16 ratings
Positive43.8%
Neutral6.3%
Negative50.0%
Written reviews51 reviews
Positive15.7%
Neutral15.7%
Negative68.6%

Bugs and requests

Fronius Solar.web

Reported bugs

3 issues
  • Daily production graph not functioning properly
  • Inability to log in or add new installations
  • Discrepancies between app and web portal data

Requested features

4 requests
  • Customizable notifications and alerts
  • Integration with smart home platforms
  • Improved data visualization and export options
  • Apple Watch app for at-a-glance monitoring

EMA Manager

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Fronius Solar.web

No in-app purchases

None

EMA Manager

No in-app purchases

Questions

Is Fronius Solar.web free?
Fronius Solar.web is free to download, with no in-app purchases.
Is EMA Manager free?
EMA Manager is free to download, with no in-app purchases.
Which has better reviews, Fronius Solar.web or EMA Manager?
Fronius Solar.web is rated higher. Fronius Solar.web averages 3.1 out of 5 from 7 ratings, while EMA Manager averages 2.9 from 16 ratings.
Do Fronius Solar.web or EMA Manager have ads?
Neither Fronius Solar.web nor EMA Manager shows ads.
Which is updated more often, Fronius Solar.web or EMA Manager?
Fronius Solar.web ships an update every 3 weeks, and EMA Manager every 3 weeks. Most recently, Fronius Solar.web was updated on November 3, 2026 and EMA Manager on November 3, 2026.

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