Forney vs TC
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Forney
This utility app provides real-time monitoring of combustion processes via a connected hardware detector. It clearly indicates flame status and offers detailed insights into flame intensity across IR and UV spectrums. The app is designed for safety monitoring and fault diagnosis.
- Flame on/off status indication
- Flame intensity details (IR/UV)
- Flame discrimination settings
- System fault display
- Bluetooth connectivity
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Forney HD Flame Detector mobile app. Use this free app to monitor your combustion process. Clear indication of flame on and flame off status. This app requires the Forney HD Flame detector hardware. This product is available by calling 800-356-7740. When a bluetooth connection is established between your iPhone or iPad and the Forney HD Flame Detector this app indicates the presence of a flame for safety monitoring. The user is also able to see details of flame intensity across a range of frequencies in both the IR and UV spectrums. The app will display settings for flame discrimination (when multiple burners are present). The Forney HD Flame detector is agency approved for use in a wide range of industries. Any system faults are clearly displayed in the app for easy diagnosis by the user. The free app does not allow the user to modify any of the system settings. The Forney HD Pro app is required to tune the system for specific site conditions.
TC
This utility app provides quick and accurate conversions between resistance, potential, and temperature for various thermocouples and RTDs. It supports offline use, temperature recording with export, and offers an intuitive interface for field technicians and engineers.
- Thermocouple and RTD conversion
- Supports multiple sensor types
- Offline functionality
- Temperature recording and charting
- Export data to Excel
- Intuitive user interface
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This software is a user-friendly, efficient, and comprehensive tool designed for field technicians, engineers, and programmers. It allows for quick and easy conversion between resistance potential and temperature, suitable for various common temperature sensors. This application simplifies the temperature measurement process, providing a practical solution for professionals. Data support: Supports thermocouple types B, E, J, K, N, R, S, T, C, D, G with all voltages measured in millivolts (mV). The conversion formulas used are derived from NIST thermocouple tables and coefficients. Supports bi-directional query for PT1000, PT100, PT500, PT800, PT10, CU50, CU100, Ni100, Ni120, Ni1000 RTDs (ITS-90). Temperature recording: Supports temperature recording and temperature curve display, with one-click export of records and charts to Excel, facilitating on-site data entry and analysis. Fast and accurate: Instantly obtain the temperature coefficients and performance curves you need. Offline availability: Can be queried in field environments without network access. Intuitive interface: Clean design, easy to operate. Regular updates: Always maintains the latest industry standards. Whether you're an industrial automation engineer, process control expert, factory instrument engineer, or a student of temperature measurement, TC-RTD is an indispensable assistant for you.
Screenshots
Verdict
The clearest difference is price: Forney at Free against TC's $1.99. TC's advantage is update cadence (every 3 months vs every 8 months). On rating, 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
Forney is free to download; TC costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 5.0 for Forney against 5.0 for TC. Both are backed by a comparable volume of ratings — 2 and 1 respectively.
Forney ships an update every 8 months, TC every 3 months. The most recent releases landed on September 12, 2026 and September 15, 2026 respectively.
| Parameter | Forney | TC |
|---|---|---|
| Price | Free — better | $1.99 |
| Rating | 5.0 (2 ratings) | 5.0 (1 ratings) |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 2 — better | 1 |
| Update frequency | Every 8 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 13.0 |
| Further details — not scored | ||
| Size | 14 MB | 12 MB |
| Age rating | 4+ | 4+ |
| Developer | Forney Corporation | 立娜 王 |
Customer experience
Forney
TC
In-app purchases
Forney
No in-app purchases
TC
No in-app purchases









