Comparison

M Professional vs DeltaSolar

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

Head to head
About

M Professional

Monitor and configure your solar inverter system in real-time. Request RMA services and perform daily maintenance using Bluetooth Low Energy. Stay informed about your system's status and parameters.

Highlights
  • Real-time status monitoring
  • Parameter configuration
  • RMA service requests
  • Daily maintenance
  • BLE communication
Features
Read full description

M Professional is a tool used to communicate with solar inverter system for real-time status monitoring, parameter configuration, RMA service request and daily maintenance via BLE.

About

DeltaSolar

Monitor your solar energy system's performance remotely or onsite. Track energy production, consumption, and export, with historical data for analysis. View grid and solar power voltage, frequency, and amps for comprehensive system insights.

Highlights
  • Remote Wi-Fi access
  • Direct onsite connection
  • Energy status and analysis
  • Production, consumption, export data
  • Historical performance data
  • Grid and solar voltage/frequency monitoring
Features
Read full description

Connect the Delta equipment to the sites Wi-Fi connection for remote access anywhere or connect directly to the inverter onsite using your smart device eliminating the need to have a Wi-Fi internet service. •Full “At a Glance” energy status and analysis •Display of production, consumption, energy bought and energy exported* •Historic data available by day, month or year for comparisons of performance •View grid voltage and frequency as well as the solar power voltage and amps •Easy commission and connect method *Requires the installation of the CT clamp and cable or external power meter. Delta’s P2P (point to point) feature offers the ability to connect your smart device directly to your inverter or battery and receive rapid data update to see your loads and generation as it happens. A new web portal version of the app is also available using your app login details at https://mydeltasolar.deltaww.com.

Screenshots

M Professional1 screens
DeltaSolar4 screens

Verdict

The call

The clearest difference is review sentiment: M Professional at 14% against DeltaSolar's 0%. M Professional also leads on update cadence (every 3 weeks vs every 2 months). DeltaSolar's advantage is iOS requirement (11.0 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.

UpkeepUpdate frequency

M Professional ships an update every 3 weeks, DeltaSolar every 2 months. The most recent releases landed on July 5, 2026 and July 19, 2026 respectively.

Scorecard3 real differences · 5 level
M Professional versus DeltaSolar: the parameters behind the verdict, then further details
ParameterM ProfessionalDeltaSolar
PriceFreeFree
Positive reviews14.3% of reviews — better0.0% of reviews
Update frequencyEvery 3 weeks — betterEvery 2 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.011.0 — better
Further details — not scored
Size20 MB136 MB
Age rating4+4+
Developer东 李Delta Electronics, Inc.

Customer experience

M Professional

Written reviews7 reviews
Positive14.3%
Neutral14.3%
Negative71.4%

DeltaSolar

Written reviews19 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

M Professional

No in-app purchases

None

DeltaSolar

No in-app purchases

Questions

Is M Professional free?
M Professional is free to download, with no in-app purchases.
Is DeltaSolar free?
DeltaSolar is free to download, with no in-app purchases.
Do M Professional or DeltaSolar have ads?
Neither M Professional nor DeltaSolar shows ads.
Which is updated more often, M Professional or DeltaSolar?
M Professional ships an update every 3 weeks, and DeltaSolar every 2 months. Most recently, M Professional was updated on July 5, 2026 and DeltaSolar on July 19, 2026.

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