Thermal Link vs HeatSight
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Thermal Link
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The Thermal Link APP is applied to UNI-T's thermal imagers such as X、B、E、V、G and H series. After installing this APP on mobile phones, users can connect it to a thermal imager via Wi-Fi for communication, and use the tools provided by the APP to perform functions such as temperature analysis on the image.
HeatSight
Visualize thermal data in real-time with multiple color palettes and precise temperature readings. Features include hot/cold spot tracking, anomaly detection, and GPU-accelerated upscaling. Save, analyze, and export thermal data for various applications.
- Real-time thermal imaging via WiFi
- Multiple color palettes
- Exact temperature readings
- Hot/cold spot auto-tracking
- Anomaly detection
- GPU-accelerated upscaling
- Radiometric snapshots
- CSV data export
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FEATURES • Real-time thermal imaging via WiFi (UDP/TCP) • 5 color palettes: Ironbow, Rainbow, White Hot, Black Hot, Lava • Touch anywhere to read exact temperature • Hot/cold spot auto-tracking • Anomaly detection highlights unusual temperatures • GPU-accelerated upscaling (1x–8x) with edge-aware sharpening • Frame averaging for noise reduction • Radiometric snapshots — save and re-analyze thermal data • CSV export for data analysis • Recording and playback • Celsius/Fahrenheit with emissivity presets • Temperature reference guide for home inspection, electrical, HVAC • Battery level monitoring • Works without hardware in Demo Mode REQUIREMENTS • Waveshare ESP32-S3 Thermal Camera Module • Custom firmware (open source, included on GitHub) • WiFi connection to the ESP32 module
Screenshots
Verdict
The clearest difference is iOS requirement: Thermal Link at 11.0 against HeatSight's 26.1. On price, ads, in-app purchases and device support 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.
| Parameter | Thermal Link | HeatSight |
|---|---|---|
| Price | Free | Free |
| Rating | — | 1.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 3 months | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 11.0 — better | 26.1 |
| Further details — not scored | ||
| Size | 58 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | UNI-TREND TECHNOLOGY (CHINA) CO.,LTD. | Taylor Galbraith |
In-app purchases
Thermal Link
No in-app purchases
HeatSight
No in-app purchases
Questions
Is Thermal Link free?
Is HeatSight free?
Do Thermal Link or HeatSight have ads?
Other comparisons
