C3 Data vs Watlow EZ
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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
Watlow EZ
Easily configure, monitor, and adjust Watlow PM controllers using Bluetooth. Access all controller parameters with clear explanations and save/share configurations. Provides password protection and alarm indicators.
- Bluetooth wireless setup
- Monitor and adjust controller parameters
- Plain text parameter names with help topics
- Save and import configuration files
- Password protection
- Alarm and error indicators
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Use EZ-LINK™ to easily set up, monitor and adjust Watlow® PM PLUS and EZ-ZONE® PM controllers via Bluetooth® wireless technology. The app provides access to the controller’s parameters with fully spelled out names in plain text with help topics that explain each parameter and option. The app’s home page displays the same parameters as the controller’s custom home page. The “All Parameters” button allows you to set up the controller’s inputs, control settings, alarms, outputs and other features and functions. Use the app to save the PM’s settings in a configuration image file. Import the image file into a controller to copy the configuration from one controller to another or to restore the configuration of a controller to an earlier state. You can also share the saved files via email or other file sharing methods. The files are compatible with Watlow’s COMPOSER software which can be used to view the settings on a PC. EZ-LINK also provides password protection, alarm and error indicators, connection to Watlow for feedback and support and access to device information such as firmware version, part number and serial number. The app works with all PM PLUS and 1/16 DIN EZ-ZONE PM controllers and limits with Bluetooth® wireless technology. This option is approved for use in the U.S., Australia, Canada, Columbia, the European Union, Japan, and New Zealand with more locations coming soon.
Screenshots
Verdict
The clearest difference is rating: C3 Data at 4.6 against Watlow EZ's 4.0. C3 Data also leads on update cadence (every 5 weeks vs every 18 months). Watlow EZ's advantage is iOS requirement (10.0 vs 15.6). On price, ratings volume, 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.
C3 Data holds the better App Store score, 4.6 against 4.0. Both are backed by a comparable volume of ratings — 8 and 15 respectively.
C3 Data ships an update every 5 weeks, Watlow EZ every 18 months. The most recent releases landed on October 7, 2026 and October 9, 2026 respectively.
| Parameter | C3 Data | Watlow EZ |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (8 ratings) — better | 4.0 (15 ratings) |
| Positive reviews | — | 0.0% of reviews |
| Number of ratings | 8 | 15 — better |
| Update frequency | Every 5 weeks — better | Every 18 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 10.0 — better |
| Further details — not scored | ||
| Size | 40 MB | 83 MB |
| Age rating | 4+ | 4+ |
| Developer | C3 Data | Watlow |
Customer experience
C3 Data
Watlow EZ
In-app purchases
C3 Data
No in-app purchases
Watlow EZ
No in-app purchases









