HVAC Toolkit Lite vs LYNKUP
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
HVAC Toolkit Lite
This tool assists HVAC engineers with design checks and quick calculations. It offers various tools for ducting friction loss, pipe sizing, ventilation, and heat load estimations, providing instructions and formulas for each calculation.
- Friction loss calculation
- Pipe sizing
- Ventilation calculations
- Heat load estimation
- Pump head calculation
- Fan ESP calculation
- Metric/Imperial units
- English/Arabic language support
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The HVAC ToolKit Lite is an easy-to-use app that has been created to assist HVAC engineers in checking their designs and making quick calculations and estimations. The app includes helpful calculation tools for calculating friction losses in ducting, pipe sizing, parking ventilation, staircase pressurization, and estimating heat loads, pump head, fan ESP, among others, where the user is able to enter the required inputs and is given the calculated output. Each tool also includes instructions and abbreviated formulas that have been used to calculate the results. The app can be set to metric or imperial units and/or to the English or Arabic language. Users are expected to have some knowledge and understanding of HVAC engineering in order to use the tools properly. Users are also expected to check that the results are within an acceptable range for their respective projects. If you come across any inconsistencies while using the app or have any recommendations for additional inclusions, please contact us.
LYNKUP
This voice-first assistant helps HVAC technicians troubleshoot issues hands-free using AI. It allows live streaming of tool data and offers direct support sessions with video and chat. Recorded sessions with transcripts are available for review and job management.
- Voice-activated AI troubleshooting
- Live Bluetooth tool data streaming
- Video, chat, and shared tool data support sessions
- Recorded sessions with transcripts
- Job history review and filtering
- Account, tool, and billing management
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LYNKUP is a voice-first sidekick for HVAC technicians. Talk to AiTAS to troubleshoot faster, keep your hands free, and stream live Fieldpiece readings over Bluetooth. Need a human? Jump into a live support session with video, chat, and shared tool data. Sessions are recorded with transcripts, and History lets you review, filter by date, and reopen past jobs. Manage your account, tools, and billing from Settings.
Screenshots
Verdict
The clearest difference is update cadence: HVAC Toolkit Lite at every 11 days against LYNKUP's every 2 months. HVAC Toolkit Lite also leads on iOS requirement (12.0 vs 15.1). On price, rating, ratings volume and ads 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.
On the App Store both sit at effectively the same score — 5.0 for HVAC Toolkit Lite against 5.0 for LYNKUP. Both are backed by a comparable volume of ratings — 1 and 2 respectively.
HVAC Toolkit Lite ships an update every 11 days, LYNKUP every 2 months. Both last shipped on October 30, 2026.
| Parameter | HVAC Toolkit Lite | LYNKUP |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (2 ratings) |
| Number of ratings | 1 | 2 — better |
| Update frequency | Every 11 days — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 61 MB | 165 MB |
| Age rating | 4+ | 4+ |
| Developer | Mohamad Jaber | LYNKUP, LLC |
Customer experience
HVAC Toolkit Lite
LYNKUP
In-app purchases
HVAC Toolkit Lite
No in-app purchases
LYNKUP
No in-app purchases
Questions
Is HVAC Toolkit Lite free?
Is LYNKUP free?
Which has better reviews, HVAC Toolkit Lite or LYNKUP?
Do HVAC Toolkit Lite or LYNKUP have ads?
Which is updated more often, HVAC Toolkit Lite or LYNKUP?
Other comparisons
