About this app
Calculation of standard ISA atmospheric parameters (pressure, density, temperature) Calculation of QNH altitude Calculation of MSA correction for off-standard atmospheres Conversion of calibrated air speed to mach number
Latest release
What’s New
Version v1.4
Jul 25, 2025
Bug fix
Audience growth
Ratings growth
7-day gain
+0
Ratings / day
0.0
30-day gain
+0
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
Current
$2.99
Historical low
USD 2.99
Paid → free
0×
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Sep 23, 2026 · 8:55 AM $2.99
Screenshots
