M Tool vs DeltaSolar
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
M Tool
This utility app enables real-time monitoring and configuration of inverter systems. It facilitates RMA requests and daily maintenance through a Bluetooth Low Energy connection.
- Real-time status monitoring
- Parameter configuration
- RMA request submission
- Daily maintenance tasks
- BLE communication
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DPC Storage is used to communicate with inverter system for real-time status monitoring, parameter configuration, RMA request and daily maintenance via BLE.
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.
- Remote Wi-Fi access
- Direct onsite connection
- Energy status and analysis
- Production, consumption, export data
- Historical performance data
- Grid and solar voltage/frequency monitoring
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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
Verdict
The clearest difference is review sentiment: M Tool at 50% against DeltaSolar's 0%. M Tool also leads on update cadence (every 3 weeks vs every 2 months) and iOS requirement (9.0 vs 11.0). 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
M Tool ships an update every 3 weeks, DeltaSolar every 2 months. The most recent releases landed on October 14, 2026 and October 15, 2026 respectively.
| Parameter | M Tool | DeltaSolar |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (2 ratings) — better | — |
| Positive reviews | 50.0% of reviews — better | 0.0% of reviews |
| Number of ratings | 2 — better | — |
| Update frequency | Every 3 weeks — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 9.0 — better | 11.0 |
| Further details — not scored | ||
| Size | 29 MB | 136 MB |
| Age rating | 4+ | 4+ |
| Developer | 东 李 | Delta Electronics, Inc. |
Customer experience
M Tool
DeltaSolar
In-app purchases
M Tool
No in-app purchases
DeltaSolar
No in-app purchases









