| Core Identity |
| Developer | Testo SE & Co. KGaA | Fieldpiece Instruments | Mastercool Inc. | Elitech Technology,Inc. | Johnson Controls, Inc. | OneSoil AG | Azuga, Inc. | Service Software Solutions, LLC. | Kane Asia Inc. | Johnson Controls, Inc. |
| Category | Productivity | Business | Business | Utilities | Productivity | Utilities | Business | Business | Utilities | Business |
| Platform | Android, iOS | iOS, Android | iOS, Android | iOS, Android | iOS | iOS, Android | iOS, Android | iOS, Android | iOS, Android | iOS |
| Store Metrics |
| Rating | 2.7 / 5 | 2.4 / 5 | 5.0 / 5 | 2.7 / 5 | 2.5 / 5 | 4.8 / 5 | 3.8 / 5 | 0.0 / 5 | 1.7 / 5 | 0.0 / 5 |
| Ratings Count | 158 | 474 | 3 | 27 | 24 | 142 | 1,116 | 0 | 11 | 0 |
| Price | Free | Free | Free | Free | Free | Free | Free | Free | Free | Free |
| Release Date | Jan 15, 2021 | Jun 30, 2014 | May 26, 2020 | Feb 25, 2021 | Aug 24, 2023 | Aug 18, 2019 | Mar 22, 2015 | Jan 7, 2016 | Mar 15, 2018 | Dec 3, 2025 |
| Last Updated | May 6, 2026 | Mar 12, 2026 | Aug 7, 2021 | Apr 30, 2026 | Apr 7, 2026 | Apr 7, 2026 | Apr 30, 2026 | Feb 18, 2025 | Apr 16, 2026 | Dec 3, 2025 |
| Sentiment & Reviews |
| Sentiment | mixed | negative | mixed | negative | - | positive | mixed | mixed | terrible | - |
| Score | 55/100 | 20/100 | 35/100 | 35/100 | - | 85/100 | 50/100 | 50/100 | 20/100 | - |
| Praises | - Automated reporting utility
| - | - The smart manifold integration provides accurate temperature readings for professional HVAC diagnostic tasks
| - Real-time calculation of superheat and subcooling metrics provides high utility for field technicians
| - | - Ease of remote field monitoring
| - Clarity of safety scores and gamification of driving behavior
| - 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 | - Connectivity and pairing failures
| - Connection instability
- Android performance
| - Application crashes immediately upon startup prevent users from accessing critical wireless gauge functionality
| - Frequent application crashes and connectivity failures hinder essential diagnostic tasks during field service
| - | - Limited offline editing capabilities
| - Manual effort required for trip tagging and Bluetooth pairing 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 | - Onboarding and setup guidance
| - | - Implementation of real-time data graphing and automated refresh buttons for vacuum gauge monitoring
| - Programmable alarm functionality for deep vacuum levels would improve monitoring during evacuation procedures
| - | - | - | - | - Automated calculation of superheat and subcooling values to improve diagnostic efficiency on job sites
| - |
| Strategic Intel |
| Strengths | - 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 BLE hardware lock-in mechanism
- Multi-language global distribution support
- High-precision diagnostic data accuracy
| - Proprietary hardware-locked ecosystem forces repeat purchase of sensors
- Real-time diagnostic graphing provides immediate field value
| - Proprietary BACnet controller access enables specialized onsite diagnostics
- Real-time punch list creation integrates directly into JCI service workflows
| - Software-only architecture lowers entry barriers for diverse operations
- Satellite-based NDVI monitoring provides immediate value without hardware
| - Bluetooth-based driver identification ensures accurate data attribution
- Integrated reward system incentivizes safety behavior
| - 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 | - 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
| - Critical startup stability failures
- Lack of real-time data graphing
- 0.7-star rating gap between iOS and Android
| - Frequent application crashes and Bluetooth connectivity failures
- Inconsistent device recognition and refrigerant selection menus
| - 2.46 rating indicates poor user experience
- Lack of regulatory-compliant documentation features
- Limited to JCI-specific hardware
| - Lack of ground-truth sensor integration limits predictive accuracy
- Offline editing functionality restricted compared to professional-grade tools
| - 0.39★ Android-iOS rating gap
- High onboarding friction due to hardware dependency
| - 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 | freemium | subscription | freemium | free | free |
| Momentum | Active | Maintenance | Zombie | Maintenance | - | Maintenance | Maintenance | Zombie | Maintenance | - |
| Update Cadence | 2 versions, 2 majors/6mo, ~7d avg | 2 versions, ~3d avg | 2 versions, 1 majors/6mo, ~1122d avg | 2 versions, ~95d avg | - | 2 versions, ~30d avg | 2 versions, 2 majors/6mo, ~8d avg | 2 versions, ~224d avg | 2 versions, ~0d avg | - |
