Density Altitude & Air Density Downloads & RevenueDensity Altitude & Air Density · App Store
Density Altitude & Air Density is #73 in Sports Paid in Brazil and charting in 6 of 30 countries we track.
Updated 11 Nov 2026 · rankings refresh through the day
DeveloperISEnet
CategorySports
Price2.99 USD
Released
Rating★ 4.2 (33)
Version2.2
Age rating4+
First seen by us
25 Sep 2026
25 Sep 2026Installs (est.)1k+ worldwide
Density Altitude & Air Density update history & changes
Last change · 32 events since 20 Mar 2014Full timeline ↓📈Entered the top 100📈Charting in a new country✏️Description updated✏️New iPad screenshots📦Updated to version 2.2🆕First spotted by AppInsider🆕Its developer released another app: Carburation pour Vortex ROK📦Version 2.1
Full timeline · 32 events
- 📈Density Altitude & Air Density entered the top 100Top Paid · Sports · GB
- 📈Density Altitude & Air Density charting in a new countryUnited Kingdom
- ✏️Density Altitude & Air Density: description updated· AU
- ✏️Density Altitude & Air Density: new iPad screenshots· AU
- ✏️Density Altitude & Air Density: new screenshots6 screenshots (was 5) · AU
- ✏️Density Altitude & Air Density: description updated· RU
- ✏️Density Altitude & Air Density: new iPad screenshots· RU
- ✏️Density Altitude & Air Density: new screenshots6 screenshots (was 5) · RU
- ✏️Density Altitude & Air Density: description updated· ID, IN
- ✏️Density Altitude & Air Density: new iPad screenshots· ID, IN
- ✏️Density Altitude & Air Density: new screenshots6 screenshots (was 5) · ID, IN
- ✏️Density Altitude & Air Density: description updated· US
- ✏️Density Altitude & Air Density: new screenshots6 screenshots (was 5) · US
- ✏️Density Altitude & Air Density: description updated· IT
- ✏️Density Altitude & Air Density: new iPad screenshots· IT
- ✏️Density Altitude & Air Density: new screenshots6 screenshots (was 5) · IT
- ✏️Density Altitude & Air Density: description updated· BR
- ✏️Density Altitude & Air Density: new iPad screenshots· BR
- ✏️Density Altitude & Air Density: new screenshots6 screenshots (was 5) · BR
- ✏️Density Altitude & Air Density: description updated· AE, SA
- ✏️Density Altitude & Air Density: new iPad screenshots· AE, SA
- ✏️Density Altitude & Air Density: new screenshots6 screenshots (was 5) · AE, SA
- 📦Density Altitude & Air Density updated to version 2.2WIDGETS, LOCK SCREEN AND APPLE WATCH
Your featured value — density altitude, RAD or air density — on the Home Screen, the Lock Screen and your watch face, always with how old the data is. During a session it is also a Live Activity on the Lock Screen and in the Dynamic Island.
ALERTS WHEN CONDITIONS CHANGE
Turn them on for a session and the app tells you when air density moves by your threshold since the first reading, with the new density altitude. Forecast-based alerts arrive even with the app closed.
CARBURETOR ICING
A warning from temperature and dew point on the chart used in civil aviation, read for a ground engine at full throttle or for an aircraft, as you choose.
BIG READING
Your value full screen, high contrast and full brightness, to read at arm's length.
SHARE A READING
By link, file or QR code, with nothing personal in it. Without the app, it opens in the browser.
ICLOUD
Your sessions and settings on all your devices.
ALSO
• The app now opens in your iPhone's language.
• On iPads without GPS and indoors, the app no longer waits forever for a position.
• Altimeter setting (QNH) fixed: it is now computed from station pressure.
• Report a problem from inside the app.
IN EARLIER VERSIONS
2.1 — Complete rebuild: the iPhone barometer, session logging with chart and CSV, 4 dyno correction standards, wider ranges, grains per cubic foot, dark mode and iPad.… more - 📈Density Altitude & Air Density entered the top 100Top Paid · Sports · US
- 📈Density Altitude & Air Density charting in a new countryUnited States
- 📈Density Altitude & Air Density charting in a new country in 3 chartsIndonesia · Italy · Russia
- 🆕Density Altitude & Air Density first spotted by AppInsider#77 in Top Paid · Sports · Brazil
- 🆕Density Altitude & Air Density: its developer released another app: Carburation pour Vortex ROK
- 🆕Density Altitude & Air Density: its developer released another app: Jetting for IAME Swift kart
- 🆕Density Altitude & Air Density: its developer released another app: Carburation DellOrto PHBH PHBG
- 📦Density Altitude & Air Density version 2.1Complete rebuild. The app has been rewritten from the ground up for today's iOS.
BUILT-IN BAROMETER
The app now reads the barometer inside your iPhone and takes the real pressure right where you stand — no network, and no station kilometres away. Everything except the station lookup works with no connection at all.
SESSION LOGGING
Record how conditions change through the day, with a chart and CSV export. Name your sessions, log by hand or automatically, and see the change since the first reading — the number that tells you whether it is time to adjust.
POWER CORRECTION BY STANDARD
Choose between SAE J1349, SAE J607, DIN 70020 and ECE R85, so the factor matches the standard on your dyno sheet.
WIDER RANGES
Now −40 to 60 ºC, −500 to 10 000 m and 500 to 1500 mb. Values outside the old limits used to be clamped without warning, quietly giving a wrong result. Now the app tells you.
FOR PRECISION SHOOTING
Air density in grains per cubic foot.
ALSO
• Weather station data over a secure connection, with retry: the failure on cellular data is fixed.
• A new screen showing where each reading came from and how old it is.
• Choose which reading you want featured at the top.
• Dark mode, landscape, iPad Split View, Dynamic Type and VoiceOver.
• A new help screen that explains what each reading is for.
• Analytics removed: the app no longer collects any data.
• New icon.… more - 🆕Density Altitude & Air Density released on the App Store
Collected from the stores by AppInsider since we first spotted the app. Dates are when we saw each change.
Rating
4.2 ★
33 ratings
Measured
Best rank now
#73
Sports PaidMeasured
Density Altitude & Air Density on the App Store
App details
App ID
838893833
Publisher
Ingenieria del Software ISEnet S.L.
On the store since
Mar 2014
12 years on the store
Minimum OS
iOS 16.0+
iPhone 8 and later
Devices
iPhone · iPad · Watch
Universal purchase
Content rating
4+
Languages
10
NL EN FR DE IT JA PL PT RU ES
Size
6 MB
Also listed in
Navigation
Density Altitude & Air Density downloads
Worldwide, per day, and installs to date. The band is open; the exact number is free with an account.
How this is calculated
Apple publishes no download counts. App Store downloads come from chart positions and daily rating growth per country, calibrated on Google Play install counts; lifetime installs from ratings worldwide × installs per rating. Confidence is the chance the real number is within half to double ours.
Active users
All platforms, worldwide. Free with an account.
Stickiness (DAU / MAU)
how many monthly users open it on a given day
How this is calculated
Monthly users come from lifetime installs across every store, fitted on monthly active user figures companies publish; daily users = monthly × the typical daily/monthly ratio for the category. Confidence is the chance the real number is within half to double ours.
Where it ranks now
Every top chart it appears in across 30 countries.
| Country | Charts | Rank |
|---|---|---|
| Brazil | SportsPaid | #73 |
 Australia | SportsPaid | #120 |
 India | SportsPaid | #160 |
 Russia | SportsPaid | #149 |
 Indonesia | SportsPaid | #109 |
 Saudi Arabia | SportsPaid | #138 |
Apps near Density Altitude & Air Density on the chart
Sports Paid, around #73.
Ratings
App Store, worldwide.
Rating
4.2 ★
33 ratings
Measured
Ratings
33
Measured
Review momentum
ⓘ How we measure thisNew ratings a week
under 1
4-week average
Lifetime rating
4.0★
recent stars not readable yet: new ratings are a tiny share of the total
Review momentum
20/100
faster than 0% of Sports apps
Review momentum (0-100) blends how fast the app collects ratings compared with other apps in its category (60%), whether that pace is speeding up (25%) and what recent raters give it (15%; recent stars well below lifetime pull it down). Ratings counts are read daily. A jump usually means a launch, a feature, ads or a new review prompt.
About Density Altitude & Air Density
Air density, density altitude (DA) and relative air density (RAD), computed with the precision that tuning an engine or planning a takeoff actually needs.
WHY THIS APP
• The barometer in your iPhone: the real pressure where you stand, with no network.
• Density altitude, RAD or density on your widgets, Lock Screen and Apple Watch.
• Alerts when conditions change during a session, even with the app closed.
• Carburetor icing, read for a ground engine or for an aircraft.
• Session logging with chart, CSV export and iCloud sync.
• 4 dyno correction standards, so the factor matches your dyno sheet.
• The full CIPM equation used in metrology, not an ideal-gas shortcut.
WHAT IT CALCULATES
• Air density (kg/m³, lb/ft³, lb/gal US, gr/ft³)
• Density altitude
• Relative air density (RAD)
• Relative horsepower
• Dyno correction factor
• Dew point
• Virtual temperature
• Altimeter setting (QNH)
• Actual station pressure
WHO IT'S FOR
Jetting and carburetion. Size your jets on a kart, bike, scooter or race car for the conditions you actually have today, and build proper jetting charts instead of guessing.
Dyno testing. Apply the correction factor to compare runs from different days and know how much of the difference was the engine and how much was the air density.
Drag racing. Density altitude and RAD for the run, before you stage.
Aviation and RC flying. Density altitude and altimeter setting for takeoff performance, and the carburetor icing chart read the aviation way.
Precision shooting. Track air density through the day and adjust your loads as conditions move.
Golf. How far the ball actually carries in today's conditions.
LOG THE DAY
Record a session and see on a chart how conditions change through the day, with the change since the first reading. Export it as CSV, and find it on your iPad too through iCloud.
ALWAYS IN VIEW
Widgets on the Home Screen and Lock Screen, Apple Watch complications and, during a session, a Live Activity: your featured value with how old the data is. With the forecast, the widget moves ahead hour by hour.
ALERTS
During a session the app can let you know when air density moves by 0.5, 1, 1.5 or 2 % since the first reading, or when carburetor icing becomes a risk. Never at night, and never more than six a day.
CARBURETOR ICING
The temperature and dew point placed on the four-zone chart used in civil aviation. For a kart, bike or dyno, only the full-throttle risk; for an aircraft, the four zones with their aeronautical reading.
SHARE A READING
Send a reading by link, file or QR code. Whoever has the app opens it in the app; whoever doesn't, in the browser.
WHERE THE DATA COMES FROM
Three sources, and you always know which one you are on. The barometer built into your iPhone, for the real pressure right where you stand. The nearest weather station, for temperature, pressure and humidity. Or type it all in by hand. The hourly forecast comes from Apple Weather.
UNITS
Pressure in mb, hPa, mmHg or inHg. Tempera
WHY THIS APP
• The barometer in your iPhone: the real pressure where you stand, with no network.
• Density altitude, RAD or density on your widgets, Lock Screen and Apple Watch.
• Alerts when conditions change during a session, even with the app closed.
• Carburetor icing, read for a ground engine or for an aircraft.
• Session logging with chart, CSV export and iCloud sync.
• 4 dyno correction standards, so the factor matches your dyno sheet.
• The full CIPM equation used in metrology, not an ideal-gas shortcut.
WHAT IT CALCULATES
• Air density (kg/m³, lb/ft³, lb/gal US, gr/ft³)
• Density altitude
• Relative air density (RAD)
• Relative horsepower
• Dyno correction factor
• Dew point
• Virtual temperature
• Altimeter setting (QNH)
• Actual station pressure
WHO IT'S FOR
Jetting and carburetion. Size your jets on a kart, bike, scooter or race car for the conditions you actually have today, and build proper jetting charts instead of guessing.
Dyno testing. Apply the correction factor to compare runs from different days and know how much of the difference was the engine and how much was the air density.
Drag racing. Density altitude and RAD for the run, before you stage.
Aviation and RC flying. Density altitude and altimeter setting for takeoff performance, and the carburetor icing chart read the aviation way.
Precision shooting. Track air density through the day and adjust your loads as conditions move.
Golf. How far the ball actually carries in today's conditions.
LOG THE DAY
Record a session and see on a chart how conditions change through the day, with the change since the first reading. Export it as CSV, and find it on your iPad too through iCloud.
ALWAYS IN VIEW
Widgets on the Home Screen and Lock Screen, Apple Watch complications and, during a session, a Live Activity: your featured value with how old the data is. With the forecast, the widget moves ahead hour by hour.
ALERTS
During a session the app can let you know when air density moves by 0.5, 1, 1.5 or 2 % since the first reading, or when carburetor icing becomes a risk. Never at night, and never more than six a day.
CARBURETOR ICING
The temperature and dew point placed on the four-zone chart used in civil aviation. For a kart, bike or dyno, only the full-throttle risk; for an aircraft, the four zones with their aeronautical reading.
SHARE A READING
Send a reading by link, file or QR code. Whoever has the app opens it in the app; whoever doesn't, in the browser.
WHERE THE DATA COMES FROM
Three sources, and you always know which one you are on. The barometer built into your iPhone, for the real pressure right where you stand. The nearest weather station, for temperature, pressure and humidity. Or type it all in by hand. The hourly forecast comes from Apple Weather.
UNITS
Pressure in mb, hPa, mmHg or inHg. Tempera
Latest updates
2.2
WIDGETS, LOCK SCREEN AND APPLE WATCH
Your featured value — density altitude, RAD or air density — on the Home Screen, the Lock Screen and your watch face, always with how old the data is. During a session it is also a Live Activity on the Lock Screen and in the Dynamic Island.
ALERTS WHEN CONDITIONS CHANGE
Turn them on for a session and the app tells you when air density moves by your threshold since the first reading, with the new density altitude. Forecast-based alerts arrive even with the app closed.
CARBURETOR ICING
A warning from temperature and dew point on the chart used in civil aviation, read for a ground engine at full throttle or for an aircraft, as you choose.
BIG READING
Your value full screen, high contrast and full brightness, to read at arm's length.
SHARE A READING
By link, file or QR code, with nothing personal in it. Without the app, it opens in the browser.
ICLOUD
Your sessions and settings on all your devices.
ALSO
• The app now opens in your iPhone's language.
• On iPads without GPS and indoors, the app no longer waits forever for a position.
• Altimeter setting (QNH) fixed: it is now computed from station pressure.
• Report a problem from inside the app.
IN EARLIER VERSIONS
2.1 — Complete rebuild: the iPhone barometer, session logging with chart and CSV, 4 dyno correction standards, wider ranges, grains per cubic foot, dark mode and iPad.
2.1
Complete rebuild. The app has been rewritten from the ground up for today's iOS.
BUILT-IN BAROMETER
The app now reads the barometer inside your iPhone and takes the real pressure right where you stand — no network, and no station kilometres away. Everything except the station lookup works with no connection at all.
SESSION LOGGING
Record how conditions change through the day, with a chart and CSV export. Name your sessions, log by hand or automatically, and see the change since the first reading — the number that tells you whether it is time to adjust.
POWER CORRECTION BY STANDARD
Choose between SAE J1349, SAE J607, DIN 70020 and ECE R85, so the factor matches the standard on your dyno sheet.
WIDER RANGES
Now −40 to 60 ºC, −500 to 10 000 m and 500 to 1500 mb. Values outside the old limits used to be clamped without warning, quietly giving a wrong result. Now the app tells you.
FOR PRECISION SHOOTING
Air density in grains per cubic foot.
ALSO
• Weather station data over a secure connection, with retry: the failure on cellular data is fixed.
• A new screen showing where each reading came from and how old it is.
• Choose which reading you want featured at the top.
• Dark mode, landscape, iPad Split View, Dynamic Type and VoiceOver.
• A new help screen that explains what each reading is for.
• Analytics removed: the app no longer collects any data.
• New icon.
Store changes
What Density Altitude & Air Density changed on its store page: name, icon, screenshots, price, size, languages, requirements.
Description updated
New iPad screenshots
New screenshots
6 screenshots (was 5)
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