Greyswift vs C3 Data
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Greyswift
This mobile application facilitates real-time or offline operational data collection, asset management, and maintenance workflows for field teams. It supports configurable forms, task management, and asset-based processes to enhance organizational efficiency.
- Configurable forms for field data collection
- Asset and equipment tracking
- Task management with statuses and notifications
- Offline data entry with automatic sync
- GPS-based location services
- Secure data synchronization
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Greyswift Mobile is the field companion to the Greyswift platform, designed to support operational data collection, asset management, and maintenance workflows across your organization. Enable your field teams to capture, manage, and act on data in real time or offline. Greyswift Mobile supports configurable forms, task management, and asset-based workflows to streamline operations in industries such as utilities, agriculture, manufacturing, and more. Key features include: Field data collection with configurable forms Asset and equipment tracking Task management with statuses and notifications Offline data entry with automatic sync when connectivity is restored GPS-based location services to identify nearby assets and data points Secure data synchronization with the Greyswift platform Greyswift Mobile helps your team move beyond simple data capture—enabling structured workflows, improved visibility, and better operational decision-making. For more information, visit greyswift.com.
C3 Data
This application helps pyrometry laboratories and heat treat plants track compliance with industry standards. It provides instant visual feedback on test results against specified criteria, supporting various data collection needs for furnaces.
- Nadcap and CQI-9 compliance tracking
- Calibration, SAT, and TUS data collection
- Instant pass/fail visual indicators
- Test and instrument management
- On- and offline operation
- Zebra Bluetooth printer support
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eCapture provides pyrometry laboratories and heat treat plants with the tools needed to track Nadcap and/or CQI-9 compliance. With current support for capturing Calibration, System Accuracy Test, and Temperature Uniformity Survey results, the app will give instant visual indications of pass/fail criteria based on the specifications applicable to the furnace under test. Features include: - Test list, shows upcoming tests with location, due date, and test type - Standard list, shows all test instruments - Sensor list, shows all sensors - Calibration data collection - SAT data collection form - Alternate SAT Support - Support for Zebra Bluetooth portable label printers - On- and Off-line operation - Furnace Compliance Dashboard integration
Screenshots
Verdict
The clearest difference is rating: Greyswift at 5.0 against C3 Data's 4.6. C3 Data's advantage is update cadence (every 5 weeks vs every 3 months) and ratings volume (8 vs 2). 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.
Greyswift holds the better App Store score, 5.0 against 4.6. Both are backed by a comparable volume of ratings — 2 and 8 respectively.
Greyswift ships an update every 3 months, C3 Data every 5 weeks. The most recent releases landed on July 22, 2026 and August 23, 2026 respectively.
| Parameter | Greyswift | C3 Data |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | 4.6 (8 ratings) |
| Number of ratings | 2 | 8 — better |
| Update frequency | Every 3 months | Every 5 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 90 MB | 40 MB |
| Age rating | 4+ | 4+ |
| Developer | Avadine | C3 Data |
Customer experience
Greyswift
C3 Data
In-app purchases
Greyswift
No in-app purchases
C3 Data
No in-app purchases








