| Core Identity |
| Developer | Mastercool Inc. | Testo SE & Co. KGaA | Fieldpiece Instruments | Johnson Controls, Inc. | Elitech Technology,Inc. | TRANE U.S. INC | Shenzhen Growatt New Energy Technology Co.,Ltd | Carrier Corporation | Service Software Solutions, LLC. | Kane Asia Inc. |
| Category | Business | Productivity | Business | Productivity | Utilities | Business | Utilities | Business | Business | Utilities |
| Platform | Android, iOS | iOS, Android | iOS, Android | iOS | iOS, Android | iOS, Android | iOS | iOS | iOS, Android | iOS, Android |
| Store Metrics |
| Rating | 5.0 / 5 | 2.7 / 5 | 2.4 / 5 | 2.5 / 5 | 2.7 / 5 | 1.9 / 5 | 1.9 / 5 | 3.0 / 5 | 0.0 / 5 | 1.7 / 5 |
| Ratings Count | 3 | 158 | 474 | 24 | 27 | 97 | 17 | 2 | 0 | 11 |
| Price | Free | Free | Free | Free | Free | Free | Free | Free | Free | Free |
| Release Date | May 26, 2020 | Jan 15, 2021 | Jun 30, 2014 | Aug 24, 2023 | Feb 25, 2021 | Aug 3, 2020 | Jun 16, 2021 | Nov 27, 2013 | Jan 7, 2016 | Mar 15, 2018 |
| Last Updated | Aug 7, 2021 | May 6, 2026 | Mar 12, 2026 | Apr 7, 2026 | Apr 30, 2026 | Apr 27, 2026 | May 23, 2026 | Apr 24, 2026 | Feb 18, 2025 | Apr 16, 2026 |
| Sentiment & Reviews |
| Sentiment | mixed | mixed | negative | - | negative | negative | negative | - | mixed | terrible |
| Score | 35/100 | 55/100 | 20/100 | - | 35/100 | 25/100 | 20/100 | - | 50/100 | 20/100 |
| Praises | - The smart manifold integration provides accurate temperature readings for professional HVAC diagnostic tasks
| - Automated reporting utility
| - | - | - Real-time calculation of superheat and subcooling metrics provides high utility for field technicians
| - Diagnostic test features provide fast and effective troubleshooting for rooftop units in the field
| - | - | - Efficient equipment tracking and job clocking features improve daily field service productivity
| - Elegant design of the measurement interface provides clear data visualization for HVAC technicians
|
| Complaints | - Application crashes immediately upon startup prevent users from accessing critical wireless gauge functionality
| - Connectivity and pairing failures
| - Connection instability
- Android performance
| - | - Frequent application crashes and connectivity failures hinder essential diagnostic tasks during field service
| - Persistent application freezing at the startup screen prevents access to critical diagnostic and setup tools
- Bluetooth connectivity failures between the mobile application and commercial controllers disrupt essential field service workflows
| - Connectivity and stability issues
| - | - Lack of clear registration or login instructions prevents new users from accessing the application
| - Bluetooth connectivity failures post-update prevent essential communication with professional HVAC diagnostic hardware
- Inaccurate refrigerant pressure readings and missing calculation features frustrate professional field users
|
| Requests | - Implementation of real-time data graphing and automated refresh buttons for vacuum gauge monitoring
| - Onboarding and setup guidance
| - | - | - Programmable alarm functionality for deep vacuum levels would improve monitoring during evacuation procedures
| - Improved in-app guidance for required system settings to prevent startup freezes and connectivity issues
| - | - | - | - Automated calculation of superheat and subcooling values to improve diagnostic efficiency on job sites
|
| Strategic Intel |
| Strengths | - Proprietary BLE hardware lock-in mechanism
- Multi-language global distribution support
- High-precision diagnostic data accuracy
| - Proprietary Bluetooth integration creates high switching costs
- HACCP-compliant documentation provides B2B distribution barrier
| - Proprietary hardware integration creates high switching costs for existing Fieldpiece tool owners
| - Proprietary BACnet controller access enables specialized onsite diagnostics
- Real-time punch list creation integrates directly into JCI service workflows
| - Proprietary hardware-locked ecosystem forces repeat purchase of sensors
- Real-time diagnostic graphing provides immediate field value
| - Direct Bluetooth-to-controller commissioning interface
- Native integration with proprietary Trane Symbio hardware
| - Direct hardware-level connectivity via WiFi/Bluetooth
- Specialized utility for authorized Growatt installer base
| - | - QR-code retrieval mechanism reduces on-site service time
- Cloud-based scheduling ensures recurring maintenance cycles
| - Proprietary hardware-to-app tethering creates a closed-loop system that drives repeat hardware sales
- Clean measurement interface provides clear data visualization for professional technicians
|
| Weaknesses | - Critical startup stability failures
- Lack of real-time data graphing
- 0.7-star rating gap between iOS and Android
| - 2.65-star iOS rating indicates connectivity friction
- Lack of intuitive onboarding limits new user adoption
| - 1.0★ Android-iOS rating gap indicates severe platform-specific stability issues
| - 2.46 rating indicates poor user experience
- Lack of regulatory-compliant documentation features
- Limited to JCI-specific hardware
| - Frequent application crashes and Bluetooth connectivity failures
- Inconsistent device recognition and refrigerant selection menus
| - 1.93 rating on iOS
- Persistent startup freezes on mobile devices
- Intrusive permission requests for personal data
| - 1.94-star rating indicates high friction
- Lack of granular diagnostic logs compared to SolarAssistant
| - | - 0-star rating on iOS with zero reviews
- Critical registration funnel failure blocks all new user acquisition
| - 1.73-star rating indicates severe post-update instability
- Bluetooth handshake errors prevent essential hardware communication
- Missing refrigerant calculation features for specific models
|
| Pricing | free | free | free | free | free | free | free | free | freemium | free |
| Momentum | Zombie | Active | Maintenance | - | Maintenance | - | Maintenance | - | Zombie | Maintenance |
| Update Cadence | 2 versions, 1 majors/6mo, ~1122d avg | 2 versions, 2 majors/6mo, ~7d avg | 2 versions, ~3d avg | - | 2 versions, ~95d avg | - | 1 versions | - | 2 versions, ~224d avg | 2 versions, ~0d avg |