Comparison

GasTechApp vs Fieldstone HVAC

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

Head to head
About

GasTechApp

Features
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Gastech app is a simple tool for the persons who are in LPG and Natural Gas pipeline installation. The easy to use interface includes discussion platform, problem reporting, Fuel comparison, gas flow conversion. It also includes Technical catalog for understanding different properties related to LPG, Natural Gas etc

About

Fieldstone HVAC

Features
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Fieldstone HVAC: Stop Losing Money on Every Call Running a small HVAC shop is brutal on cashflow. Bad pricing sneaks up and kills margins. Callbacks from missed details eat profits and waste time. Admin chaos means you're guessing instead of knowing your numbers. Delayed payments tie up cash you need for payroll and parts. Fieldstone changes that. Built mobile-first for HVAC owners and techs who live in the van or shop, it puts command of your business right in your pocket. No more profit mysteries at tax time - every job shows clear labor, materials, taxes, and your actual margin before you quote. Key wins for your bottom line: QuickBooks Online Integration - Connect your QuickBooks company in minutes. Sync customers, invoices, and payments two-way. Reconcile mismatches with a guided wizard. Record credits and refunds with confidence. Draft invoices finalize when you're ready - no more double-entry or sync surprises. Staff Time Tracking - Clock in and out from the app or right on the job. Log billable vs. non-billable time, track labor against jobs, and see hours roll up in Staff Time. Categories and rich-text statements keep payroll and billing clean. Dashboard KPIs & Cashflow Visibility - Tap any KPI on the home dashboard to jump straight into filtered lists - YTD profit, open estimates, unpaid invoices, aging buckets, and more. See what's owed, what's declined, and what's written off at a glance. Profit-Aware Price Books - Set up smart pricing with full transparency. See costs and profits instantly. Update once, share with the team - no more underquoting or inflation surprises cutting into every job. Role-based permissions keep price book edits in the right hands. Offline Job Tracking & Invoicing - Work anywhere, even off-grid. Log jobs, attach photos/PDFs, create invoices on-site. Data syncs automatically when you're back online. No lost tickets, no double-entry. Instant Payments - Take cards right in the app. Track every payment type. Get paid faster, improve cashflow - no waiting on checks. measureQuick Integration - One-tap import diagnostics and readings. Attach to jobs/invoices automatically. Turn recommendations into billable work quick - fewer callbacks, happier customers, better profits. HVAC-Specific Tools - Track make/model/serial, install dates, warranties, full service history per system. Link to customers/sites. Quick search, photos, manuals - everything in one place to avoid repeat visits. Smarter Estimates & Collections - Capture why estimates were refused or saved. Follow up with purpose. Mark invoices uncollectible when it's time to write off bad debt - with aging KPIs so nothing slips through. Fieldstone simplifies your day so you cut stress and make smarter decisions. Know your current situation at a glance. Coordinate your team without phone tag. Run efficient, profitable jobs from quote to payment. Made in America by folks who get it - no headaches, just straightforward software and top-notch support when you need it. Download Fieldstone now. See why small HVAC shops are ditching the spreadsheets and guesswork. Questions? Contact us to schedule a demo - we're here to help you build confidence and cashflow.

Screenshots

GasTechApp4 screens
Fieldstone HVAC4 screens

Verdict

The call

GasTechApp and Fieldstone HVAC are too close to call on the numbers: across 6 compared parameters โ€” price, update cadence, ads and in-app purchases among them โ€” neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

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

UpkeepUpdate frequency

GasTechApp ships an update every 4 days, Fieldstone HVAC weekly. The most recent releases landed on November 7, 2026 and October 30, 2026 respectively.

ScorecardNo meaningful differences
GasTechApp versus Fieldstone HVAC: the parameters behind the verdict, then further details
ParameterGasTechAppFieldstone HVAC
PriceFreeFree
Update frequencyEvery 4 days โ€” betterWeekly
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPodiPhone, iPad
Requires iOS15.1 โ€” better16.6
Further details โ€” not scored
Size20 MB35 MB
Age rating4+4+
DeveloperViral PatelFieldstone Software, LLC

In-app purchases

None

GasTechApp

No in-app purchases

None

Fieldstone HVAC

No in-app purchases

Questions

Is GasTechApp free?
GasTechApp is free to download, with no in-app purchases.
Is Fieldstone HVAC free?
Fieldstone HVAC is free to download, with no in-app purchases.
Do GasTechApp or Fieldstone HVAC have ads?
Neither GasTechApp nor Fieldstone HVAC shows ads.
Which is updated more often, GasTechApp or Fieldstone HVAC?
GasTechApp ships an update every 4 days, and Fieldstone HVAC weekly. Most recently, GasTechApp was updated on November 7, 2026 and Fieldstone HVAC on October 30, 2026.

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