Comparison

Syscon FIT System vs Ductulator

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

Head to head
About

Syscon FIT System

This application enables construction companies to gather essential field data from their crews, including time, job details, equipment rentals, and customer signatures. It ensures accuracy and streamlines operations by integrating with Sage 100 Contractor.

Highlights
  • Collect field data
  • Track time and cost codes
  • Manage job information
  • Record equipment rentals
  • Capture customer signatures
  • Integrates with Sage 100 Contractor
Features
Read full description

Construction companies use this app to collect data from their field crew including time, cost codes, jobs, equipment rentals, customer signatures and much more! The app Integrates well with Sage 100 Contractor for accuracy and ease. Contact Syscon Inc with any questions.

About

Ductulator

This app provides professional HVAC duct sizing and psychrometric calculations in a single tool. It offers detailed calculations for various duct types and materials, along with comprehensive humid air property analysis. Designed for HVAC professionals, it replaces traditional ductulators with accurate digital functionality.

Highlights
  • Duct sizing for round, rectangular, and flexible ducts
  • Fittings pressure drop calculation
  • Psychrometric analysis with interactive chart
  • Supports Imperial and Metric units
  • Pre-configured velocity limits for application types
  • Real-time validation warnings
Features
Read full description

Professional HVAC duct sizing and psychrometric calculations in one powerful app. DuctCalc replaces your physical ductulator with a modern, accurate digital tool trusted by engineers, contractors, and HVAC professionals. DUCT SIZING CALCULATOR Size round, rectangular, and flexible ductwork with ASHRAE-compliant calculations: • Forward Mode: Enter CFM airflow → Get multiple duct size options with velocity, friction loss, and pressure drop for each • Reverse Mode: Select a duct size → See CFM capacity at minimum, ideal, and maximum velocities Supports 6 duct materials: - Galvanized Steel - Flex Duct (extended & compressed) - Duct Board - Fiberglass Lined - PVC/Plastic FITTINGS & PRESSURE DROP Calculate total equivalent length and pressure loss with 10+ standard fittings: - 90° and 45° Elbows (smooth, 3-piece, mitered) - Tees (branch and straight-through) - Reducers and Transitions - Takeoffs (90° and 45°) - Register Boots PSYCHROMETRIC CALCULATOR Complete humid air property analysis with interactive chart: • 4 Input Modes: Dry bulb + wet bulb, relative humidity, dew point, or humidity ratio • Calculates: Enthalpy, specific volume, vapor pressure, saturation pressure, degree of saturation • Altitude correction for non-standard atmospheric pressure • Visual psychrometric chart showing current state point APPLICATION TYPES Pre-configured velocity limits per ASHRAE/ACCA guidelines: - Residential Supply (400-1000 FPM) - Residential Return (300-800 FPM) - Commercial Low Velocity (600-1500 FPM) - Commercial High Velocity (1000-2500 FPM) PROFESSIONAL FEATURES Imperial (I-P) and Metric (SI) units Airflow in CFM, m³/h, or L/s Color-coded status indicators Real-time validation warnings Built-in reference documentation Standard duct size tables (ASHRAE/SMACNA) WHY DUCTCALC? Unlike other apps that only size ducts OR calculate psychrometrics, DuctCalc combines both essential HVAC tools. No more switching between apps. Professional-grade accuracy in your pocket. Perfect for: • HVAC Engineers • Mechanical Contractors • MEP Design Firms • HVAC Technicians • Building Inspectors • Engineering Students Download DuctCalc and replace your old ductulator with the modern HVAC calculator trusted by professionals. Privacy Policy: https://docs.google.com/document/d/1r9oCuYYtQZlKWhZTlrP8Ck73V6NoR8lx82027oWszsA/edit?usp=sharing Terms of Service: https://docs.google.com/document/d/1MAY_7_uIVMnf4QYSpeaaSaSV7cm3-TJApqYVLfTHQ7w/edit?usp=sharing

Screenshots

Ductulator4 screens

Verdict

The call

The clearest difference is in-app purchases: Syscon FIT System at none against Ductulator's 2. Syscon FIT System also leads on iOS requirement (15.1 vs 17.0). Ductulator's advantage is rating (4.5 vs 4.3). On price, review sentiment, ratings volume and update cadence 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. Ductulator sells 2 in-app purchases, starting at $4.99 per month. Syscon FIT System asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Ductulator holds the better App Store score, 4.5 against 4.3. Both are backed by a comparable volume of ratings — 16 and 34 respectively. Written reviews point the same way: 60% of Syscon FIT System's written reviews are positive against 67% of Ductulator's.

UpkeepUpdate frequency

Syscon FIT System ships an update every 4 months, Ductulator every 8 months. The most recent releases landed on October 19, 2026 and October 24, 2026 respectively.

Scorecard4 real differences · 6 level
Syscon FIT System versus Ductulator: the parameters behind the verdict, then further details
ParameterSyscon FIT SystemDuctulator
PriceFreeFree
Rating4.3 (16 ratings)4.5 (34 ratings) — better
Positive reviews60.0% of reviews66.7% of reviews — better
Number of ratings1634 — better
Update frequencyEvery 4 months — betterEvery 8 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.1 — better17.0
Further details — not scored
Size48 MB42 MB
Age rating4+4+
DeveloperSyscon Inc.Mikhail Nikitin

Customer experience

Syscon FIT System

All ratings16 ratings
Positive81.3%
Neutral0.0%
Negative18.8%
Written reviews5 reviews
Positive60.0%
Neutral0.0%
Negative40.0%

Ductulator

All ratings33 ratings
Positive90.9%
Neutral3.0%
Negative6.1%
Written reviews3 reviews
Positive66.7%
Neutral0.0%
Negative33.3%

In-app purchases

None

Syscon FIT System

No in-app purchases

2 purchases

Ductulator

Subscriptions2
  • premium$4.991 Month
  • premium7 Days trial$29.991 Year

Questions

Is Syscon FIT System free?
Syscon FIT System is free to download, with no in-app purchases.
Is Ductulator free?
Ductulator is free to download, with in-app purchases available.
Which has better reviews, Syscon FIT System or Ductulator?
Ductulator is rated higher. Syscon FIT System averages 4.3 out of 5 from 16 ratings, while Ductulator averages 4.5 from 34 ratings.
Do Syscon FIT System or Ductulator have ads?
Neither Syscon FIT System nor Ductulator shows ads.
Which is updated more often, Syscon FIT System or Ductulator?
Syscon FIT System ships an update every 4 months, and Ductulator every 8 months. Most recently, Syscon FIT System was updated on October 19, 2026 and Ductulator on October 24, 2026.

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