Comparison

Air Flow Conversion Calculator vs EQ TRACKER

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

Head to head
About

Air Flow Conversion Calculator

Easily calculate air velocity and airflow volume for various duct types. Input dimensions and units, and get instant results for HVAC and ventilation applications.

Highlights
  • Calculate air velocity and airflow volume
  • Support for circular and rectangular ducts
  • Multiple unit options for velocity, volume, and dimensions
  • Instant result display
  • Useful for HVAC and ventilation
Features
Read full description

Air Flow Conversion Calculator calculate the rate of displacement of air or gas at a specific location. - Enter the air velocity or volume airflow. - Choose circular or rectangular duct and type the required dimension(s), then select the appropriate units. - Result will be displayed instantly. Airflow Value:- Velocity Units: -fl/min (LFM) -m/s -miles/hr (MPH) Volume Airflow Units: -ft3/min (CFM) -m3/hr -L/s Dimension Units: -in -foot -mm -cm -m Air velocity (distance traveled per unit of time) is usually expressed in Linear Feet per Minute (LFM). By multiplying air velocity by the cross section area of a duct, you can determine the air volume flowing past a point in the duct per unit of time. Volume flow is usually measured in Cubic Feet per Minute (CFM). Example Concept of Air Velocity can be used in air conditioning, heating and ventilating work. Thanks for your support and do visit nitrio.com for more apps for your iOS devices.

About

EQ TRACKER

Easily track the location and maintenance history of all your equipment. Organize machines into categories, schedule repairs, and export detailed maintenance reports. Collaborate with team members to manage your assets efficiently.

Highlights
  • Track machine location with check-ins
  • Categorize machines and parts
  • Schedule maintenance and repairs
  • View machine maintenance history
  • Export maintenance reports (PDF)
  • Collaborate with group members
Features
Read full description

EQ TRACKER! The easiest way to track location and maintenance for ALL of your machines! EQ TRACKER allows you to: * Track the location of your machines with a simple check-in * Create categories to manage your machines and parts * Schedule maintenance and repairs * See a list of your machines that includes the location of each * Easily view machines on the map * See a list of your maintenance and repairs * View each machine’s maintenance history * Export a PDF of your machine’s maintenance history * Export a list of parts or individual part names and numbers * Create a group and invite members to track your machines and perform maintenance To use EQ TRACKER: 1. Enter your machines and machine details 2. Do an initial check-in to put your machines on the map 3. Enter your maintenance parts (your maintenance is automatically scheduled) 4. Enter repair items as needed, you can quickly schedule a repair 5. Complete maintenance or repair according to the schedule 6. See the completed maintenance in your machine’s history 7. Export maintenance history for one or more machines 8. Share needed parts and part numbers via email or text …etc (using the phone’s system dialogue)

Screenshots

Air Flow Conversion Calculator4 screens
EQ TRACKER4 screens

Verdict

The call

The clearest difference is price: EQ TRACKER at Free against Air Flow Conversion Calculator's $2.99. EQ TRACKER also leads on update cadence (every 5 months vs every 47 months). Air Flow Conversion Calculator's advantage is rating (3.5 vs 3.3). On review sentiment, ratings volume, ads and in-app purchases 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

EQ TRACKER is free to download; Air Flow Conversion Calculator costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Air Flow Conversion Calculator holds the better App Store score, 3.5 against 3.3. Both are backed by a comparable volume of ratings — 11 and 7 respectively. Written reviews split almost evenly too, at 0% and 0% positive.

UpkeepUpdate frequency

Air Flow Conversion Calculator ships an update every 47 months, EQ TRACKER every 5 months. The most recent releases landed on September 18, 2026 and June 10, 2026 respectively.

Scorecard4 real differences · 6 level
Air Flow Conversion Calculator versus EQ TRACKER: the parameters behind the verdict, then further details
ParameterAir Flow Conversion CalculatorEQ TRACKER
Price$2.99Free — better
Rating3.5 (11 ratings) — better3.3 (7 ratings)
Positive reviews0.0% of reviews0.0% of reviews
Number of ratings11 — better7
Update frequencyEvery 47 monthsEvery 5 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.012.0
Further details — not scored
Size8 MB63 MB
Age rating4+4+
DeveloperNitrioDIGNDIRT LC

Customer experience

Air Flow Conversion Calculator

All ratings11 ratings
Positive54.5%
Neutral18.2%
Negative27.3%
Written reviews2 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

EQ TRACKER

All ratings7 ratings
Positive57.1%
Neutral0.0%
Negative42.9%
Written reviews2 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

Air Flow Conversion Calculator

No in-app purchases

None

EQ TRACKER

No in-app purchases

Questions

Is Air Flow Conversion Calculator free?
Air Flow Conversion Calculator costs $2.99, with no in-app purchases.
Is EQ TRACKER free?
EQ TRACKER is free to download, with no in-app purchases.
Which has better reviews, Air Flow Conversion Calculator or EQ TRACKER?
Air Flow Conversion Calculator is rated higher. Air Flow Conversion Calculator averages 3.5 out of 5 from 11 ratings, while EQ TRACKER averages 3.3 from 7 ratings.
Do Air Flow Conversion Calculator or EQ TRACKER have ads?
Neither Air Flow Conversion Calculator nor EQ TRACKER shows ads.
Which is updated more often, Air Flow Conversion Calculator or EQ TRACKER?
Air Flow Conversion Calculator ships an update every 47 months, and EQ TRACKER every 5 months. Most recently, Air Flow Conversion Calculator was updated on September 18, 2026 and EQ TRACKER on June 10, 2026.

Other comparisons