Comparison

Fronius Solar.SOS vs Evchargo

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

Head to head
About

Fronius Solar.SOS

This business tool helps installers quickly resolve technical issues with solar systems. It allows for easy ordering of replacement parts and provides access to important documentation. The app streamlines the service process directly at the installation site.

Highlights
  • Manage multiple accounts
  • Order replacement parts
  • Track order status
  • Messaging with support
  • Access installation guides
  • Troubleshoot technical issues
Read full description

Fronius Solar.SOS is a self-service solution for all technical queries. This is a business application that installers can use to initiate the service process online directly at the system location - quite simply with the serial number of the inverter or a state code. In the space of a few clicks, Solar.SOS supports installers with troubleshooting and ordering replacement parts. The big advantage is that with this app installers can resolve technical problems themselves at any time. Attention - this app is purely a solution for installers (B2B). Features: - Manage multiple accounts, all from a single account - All orders at a glance (case overview) - Rapid ordering of replacement parts - Check the status of orders with ease - Messaging function with technical support (case messages) - Access to all relevant Installation Instructions and Operating Instructions (YouTube, etc.)

About

Evchargo

This app helps electric vehicle drivers find public charging stations with real-time availability and navigation. It also offers intelligent control for home charging stations, including various charging modes and scheduling.

Highlights
  • Find public charging stations
  • Real-time charging status monitoring
  • Smart home charging control
  • Multiple home charging modes
  • Scheduled charging
  • RFID-based charging
  • Payment processing
Features
Read full description

Evchargo is an app that allows EV drivers to locate public charging stations and intelligently operate their home charge point. It has a simple, easy-to-use design and is dedicated to giving users with the greatest charging experience and service possible. Function introduction: (1)For business scenarios: - Find charging stations Check, on the map, the availability of nearby charging stations, a navigation feature is integrated. - Details of charging station Check the details of charging station and get the latest tariff information and merchant information. - Scan code to charge Scan the QR code or enter the SN number to start charging. - Charging monitoring Monitor, in real time, the charging status and charging data. - Payment mode Support Paypal, Stripe - Record query You can query charging records and payment records (2)For home scenarios: - Smart control Intelligently control the start or termination of the charging session. - Charging mode The following charging modes are available: normal mode, green mode, mixed mode, load balance mode. -Scheduled charging Preset the charging time and the charging interval. - RFID-based charging Bind the RFID card to the charge point to enable offline charging with an RFID card. - User Authorization Allows you to grant permission to family and friends to use your charge point. - Charging Monitoring Check the charging status in real time and previous charging history. - Remote Upgrade Support remote charge point upgrades to access further smart charging services.

Screenshots

Fronius Solar.SOS4 screens
Evchargo4 screens

Verdict

The call

The clearest difference is rating: Evchargo at 4.5 against Fronius Solar.SOS's 1.5. Evchargo also leads on review sentiment (20% vs 0%) and update cadence (monthly vs every 3 months). 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

Evchargo holds the better App Store score, 4.5 against 1.5. That said, the two scores are not equally well evidenced: Evchargo has 17 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 0% of Fronius Solar.SOS's written reviews are positive against 20% of Evchargo's.

UpkeepUpdate frequency

Fronius Solar.SOS ships an update every 3 months, Evchargo monthly. The most recent releases landed on August 19, 2026 and September 5, 2026 respectively.

Scorecard4 real differences · 6 level
Fronius Solar.SOS versus Evchargo: the parameters behind the verdict, then further details
ParameterFronius Solar.SOSEvchargo
PriceFreeFree
Rating1.5 (2 ratings)4.5 (17 ratings) — better
Positive reviews0.0% of reviews19.5% of reviews — better
Number of ratings217 — better
Update frequencyEvery 3 monthsMonthly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPod
Requires iOS14.013.0 — better
Further details — not scored
Size15 MB102 MB
Age rating4+4+
DeveloperFronius International GmbHENPOWER SG PTE. LTD.

Customer experience

Fronius Solar.SOS

All ratings2 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews4 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Evchargo

All ratings17 ratings
Positive88.2%
Neutral0.0%
Negative11.8%
Written reviews87 reviews
Positive19.5%
Neutral11.5%
Negative69.0%

Bugs and requests

Fronius Solar.SOS

Not enough reviews yet to summarise bugs or requests.

Evchargo

Reported bugs

15 issues
  • App logs users off unexpectedly
  • Scheduled charging only works occasionally
  • Load current setting ignored or reverts to default
  • RFID card recognition failures
  • App crashes and freezes
Show 10 more
  • Bluetooth connection not detected despite being enabled
  • Password reset functionality broken
  • Verification code email arrives empty
  • Cannot stop charging via app when connected
  • Charging data not saved in plug-and-charge mode
  • Incorrect current display (shows 0 while charging)
  • App unresponsive to command inputs
  • WiFi reconnection issues after updates
  • Load balancing feature malfunctions
  • User management features disappearing after updates

Requested features

9 requests
  • Apple Watch app integration
  • Ability to rename charging stations
  • Fingerprint/face recognition unlock
  • Better data export formats (xlsx, CSV instead of xls)
  • Improved charging history display
Show 4 more
  • Family account with single login
  • Real-time power consumption monitoring while charging
  • Better multi-language translation
  • Remaining charge time estimation

In-app purchases

None

Fronius Solar.SOS

No in-app purchases

None

Evchargo

No in-app purchases

Questions

Is Fronius Solar.SOS free?
Fronius Solar.SOS is free to download, with no in-app purchases.
Is Evchargo free?
Evchargo is free to download, with no in-app purchases.
Which has better reviews, Fronius Solar.SOS or Evchargo?
Evchargo is rated higher. Fronius Solar.SOS averages 1.5 out of 5 from 2 ratings, while Evchargo averages 4.5 from 17 ratings.
Do Fronius Solar.SOS or Evchargo have ads?
Neither Fronius Solar.SOS nor Evchargo shows ads.
Which is updated more often, Fronius Solar.SOS or Evchargo?
Fronius Solar.SOS ships an update every 3 months, and Evchargo monthly. Most recently, Fronius Solar.SOS was updated on August 19, 2026 and Evchargo on September 5, 2026.

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