CPS Link vs GERFS
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CPS Link
Connect multiple wireless sensors to create a comprehensive diagnostic measurement system. Perform quick single measurements or complex full system diagnostics with analytics. Expand your system over time with new sensor solutions.
- Connect multiple wireless sensors
- Comprehensive diagnostic measurement system
- Perform quick measurements
- Complex system diagnostics with analytics
- Expandable sensor system
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CPS Link™ is a powerful, easy-to-use application that connects multiple CPS wireless sensors together at one time to create the world’s most comprehensive diagnostic measurement system. The flexibility of this patented system enables users to add sensors as required to perform quick one-step measurement tasks or more complex full home, facility or system diagnostics with analytics. A range of high quality wireless sensors are available to accommodate most common HVAC/R service needs, with more innovative sensor solutions in various levels of release and development. Interconnectivity between the CPS Link app and future sensors remains a primary criterion to provide users with the flexibility of building their own custom measurement systems, over time.
GERFS
This mobile application assists field service technicians with their daily tasks. It integrates with specific versions of GlobalEdge and includes new functionality for Azuga Integration.
- Field service technician support
- GlobalEdge integration
- Azuga Integration functionality
- Mobile task management
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GE RFS-Blue is one of ECI's robust mobile apps for service technicians working in the field. Designed to work with only the 25.02 of GlobalEdge, this application includes new functionality for Azuga Integration.
Screenshots
Verdict
The clearest difference is rating: CPS Link at 1.9 against GERFS's 1.0. CPS Link also leads on review sentiment (13% vs 0%) and ratings volume (157 vs 17). On price, update cadence, ads and in-app purchases 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.
CPS Link holds the better App Store score, 1.9 against 1.0. That said, the two scores are not equally well evidenced: CPS Link has 157 ratings behind it against 17, so its average is the more settled of the two. Written reviews point the same way: 13% of CPS Link's written reviews are positive against 0% of GERFS's.
Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 20, 2026 and October 24, 2026 respectively.
| Parameter | CPS Link | GERFS |
|---|---|---|
| Price | Free | Free |
| Rating | 1.9 (157 ratings) — better | 1.0 (17 ratings) |
| Positive reviews | 13.3% of reviews — better | 0.0% of reviews |
| Number of ratings | 157 — better | 17 |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 — better | 12.2 |
| Further details — not scored | ||
| Size | 85 MB | 175 MB |
| Age rating | 4+ | 12+ |
| Developer | CPS Products | ECi Software Solutions |
Customer experience
CPS Link
GERFS
Bugs and requests
CPS Link
Reported bugs
4 issues- App crashes on launch
- Bluetooth connectivity problems
- Inconsistent readings and measurements
- Incompatible with newer iOS versions
Requested features
3 requests- Update app to fix compatibility issues
- Improve customer support and responsiveness
- Provide better documentation and troubleshooting guides
GERFS
Not enough reviews yet to summarise bugs or requests.
In-app purchases
CPS Link
No in-app purchases
GERFS
No in-app purchases
