Comparison

FieldBus Toolkit vs SolarMark

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

Head to head
About

FieldBus Toolkit

Features
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FieldBus Toolkit is the essential utility for embedded engineers and PLC programmers. Debug Modbus TCP, MQTT, HTTP, and socket communications directly from your mobile device. [Key Features] 1. Multi-Protocol Support - Modbus TCP Client - MQTT Client (Publish/Subscribe) - HTTP REST Client (GET, POST, PUT, DELETE) - TCP/UDP Client & Server (Echo/Broadcast) 2. Data Visualization - Send and receive data in ASCII or HEX format. - Real-time communication logs. 3. Efficiency Tools - Save frequently used commands as Macros for quick access. - One-touch data transmission. 4. Developer Friendly - Perfect for testing Arduino, ESP32, Raspberry Pi, and industrial PLCs.

About

SolarMark

Monitor your solar power generation and battery storage systems locally and privately. Visualize real-time energy flow, get intelligent predictions, and receive protection alerts without relying on cloud services.

Highlights
  • Direct Modbus TCP polling
  • Live power flow dashboard
  • Multi-device infrastructure management
  • Localized weather-based generation predictions
  • On-device analytics ledger
  • Open data export (CSV)
  • Protection alerts (no-generation, performance, thermal)
Features
Read full description

Take complete local control of your green energy infrastructure with SolarMark—the ultimate privacy-focused telemetry engine designed explicitly for solar power generation and battery storage systems. Unlike standard cloud platforms that lock your history behind proprietary servers, SolarMark establishes a direct, secure line to your hardware using local Modbus TCP polling. No third-party accounts, no remote data centers, and zero internet tracking dependencies required. REAL-TIME ECOSYSTEM MONITORING • Direct Modbus TCP Polling: Pull telemetry straight from your inverters and battery systems every 5 seconds. • Live Power Flow Dashboard: Instantly visualize generation metrics, grid imports, grid exports, and real-time utility currency valuation flows. • Multi-Device Infrastructure: Seamlessly configure and manage multiple independent inverters and standalone battery installations. INTELLIGENT PREDICTIONS & ANALYTICS • Localized Weather Gating: Synchronize system coordinates with local Open-Meteo irradiance data to generate automated daily generation predictions. • SQLite Analytics Ledger: Securely store lifetime energy metrics, battery state-of-charge curves, performance tracking, and voltage anomalies directly on your device. • Open Data Freedom: Extract energy histories and localized telemetry logs at any time using filtered, uncompressed CSV schema layers. SELF-CALIBRATING PROTECTION ALERTS • No-Generation Alarms: Receive automated system warnings if your hardware fails to initialize or generate power during standard daylight profiles. • Performance Threshold Vetting: SolarMark dynamically maps 30 days of production data to calibrate and alert you if real-time sunlight conversion loops drop below 40% efficiency. • Battery Thermal Shielding: Three independent detection layers monitor and instantly alert you of uncharacteristic voltage shifts or active thermal volatility spikes. FINANCIAL & ENVIRONMENTAL CLEARANCE • Track absolute localized financial tracking metrics with an integrated multi-currency picker (£ $ € ¥ A$ C$). • Toggle your sustainability output dashboards dynamically between metric tons of CO₂ offset or real-time equivalent trees planted. Keep your home data inside your local network. Secure your infrastructure, maximize your grid efficiency index, and download SolarMark today!

Screenshots

FieldBus Toolkit4 screens
SolarMark4 screens

Verdict

The call

The clearest difference is in-app purchases: SolarMark at none against FieldBus Toolkit's 1. SolarMark also leads on ads (none vs shown). FieldBus Toolkit's advantage is iOS requirement (13.0 vs 15.1). On price, update cadence and device support 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. FieldBus Toolkit sells 1 one-off in-app purchase. SolarMark asks for nothing beyond the download.

UpkeepUpdate frequency

FieldBus Toolkit ships an update every 2 months, SolarMark monthly. The most recent releases landed on October 9, 2026 and October 6, 2026 respectively.

Scorecard3 real differences · 7 level
FieldBus Toolkit versus SolarMark: the parameters behind the verdict, then further details
ParameterFieldBus ToolkitSolarMark
PriceFreeFree
Rating—5.0 (1 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—1 — better
Update frequencyEvery 2 monthsMonthly — better
AdsYesNo — better
In-app purchasesYesNo — better
Monetization—Free
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS13.0 — better15.1
Further details — not scored
Size29 MB55 MB
Age rating4+4+
DeveloperDONGSOO LEESolarMark Software LLC

In-app purchases

1 purchases

FieldBus Toolkit

One-time1
  • Remove Ads$1.99
None

SolarMark

No in-app purchases

Questions

Is FieldBus Toolkit free?
FieldBus Toolkit is free to download, with in-app purchases available.
Is SolarMark free?
SolarMark is free to download, with no in-app purchases.
Do FieldBus Toolkit or SolarMark have ads?
FieldBus Toolkit shows ads; SolarMark does not.
Which is updated more often, FieldBus Toolkit or SolarMark?
FieldBus Toolkit ships an update every 2 months, and SolarMark monthly. Most recently, FieldBus Toolkit was updated on October 9, 2026 and SolarMark on October 6, 2026.

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