Comparison

Thermal Link vs EWA Connect

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Thermal Link

Features
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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.

About

EWA Connect

Features
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EWA Spa App provides professional spa water management with advanced monitoring and maintenance tracking. Keep your spa perfectly balanced and ready for relaxation year-round.\n\nKey Features:\n• Real-time spa water chemistry monitoring\n• pH, alkalinity, and sanitizer level tracking\n• Temperature monitoring and control\n• Maintenance scheduling and reminders\n• Chemical dosing recommendations\n• Spa equipment status monitoring\n• Water circulation alerts\n• Historical data and trend analysis\n• Multi-spa support for commercial facilities\n• Professional maintenance reports\n• Smart notifications and alerts\n• Weather integration for optimal timing\n• Export data for maintenance records\n\nPerfect for:\n• Residential spa owners\n• Commercial spa facilities\n• Hotels and resorts\n• Wellness centers\n• Spa service professionals\n• Facility managers\n• Health clubs and fitness centers\n\nNever worry about spa water quality again. EWA Spa App provides professional-grade monitoring with simple, intuitive controls. Get instant alerts when chemical levels need adjustment and receive automated recommendations for optimal spa maintenance.

Screenshots

Thermal Link3 screens
EWA Connect4 screens

Verdict

The call

The clearest difference is update cadence: EWA Connect at every 4 weeks against Thermal Link's every 3 months. Thermal Link's advantage is iOS requirement (11.0 vs 13.0). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Thermal Link ships an update every 3 months, EWA Connect every 4 weeks. The most recent releases landed on October 27, 2026 and October 8, 2026 respectively.

Scorecard2 real differences · 4 level
Thermal Link versus EWA Connect: the parameters behind the verdict, then further details
ParameterThermal LinkEWA Connect
PriceFreeFree
Update frequencyEvery 3 monthsEvery 4 weeks — better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPodiPhone, iPod
Requires iOS11.0 — better13.0
Further details — not scored
Size58 MB43 MB
Age rating4+4+
DeveloperUNI-TREND TECHNOLOGY (CHINA) CO.,LTD.Terrence Booysen

In-app purchases

None

Thermal Link

No in-app purchases

None

EWA Connect

No in-app purchases

Questions

Is Thermal Link free?
Thermal Link is free to download, with no in-app purchases.
Is EWA Connect free?
EWA Connect is free to download, with no in-app purchases.
Do Thermal Link or EWA Connect have ads?
Neither Thermal Link nor EWA Connect shows ads.
Which is updated more often, Thermal Link or EWA Connect?
Thermal Link ships an update every 3 months, and EWA Connect every 4 weeks. Most recently, Thermal Link was updated on October 27, 2026 and EWA Connect on October 8, 2026.

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