🏆Among Tools apps bottom 0% by installs gained this week (1080 peers growing)
🛠Updatesactively updated · updated 6 days ago · every ~90 days (2 updates tracked)
Installs since launch
0 installs
since Oct 7
Update history
2.1Nov 8, 2026
• Units follow DIN 1313 and DIN 461: a value, a space, then the unit. P = ṁ · Δh and η = Δh / Δh_s.<br>• A calculated efficiency outside 50 to 100 % stays visible. The app warns.
2.0Aug 10, 2026 · seen Oct 20, 2026
AIRExpander 2.0 — modern refresh<br>• New Material Design interface (light & dark)<br>• Same dry-air expander calculation as before<br>• Tap the calculate icon to solve for power, mass flow or efficiency<br>• Live updates while you move the sliders
AIRExpander: Turbo Expander is a tools app by Christian Peter Kaiser with 10+ downloads (about 43 estimated). Released Sep 12, 2021. Install growth, rank history, SDKs and ad networks.
From the store listing: “Turbo expander calculator for dry air: power, mass flow and efficiency live”
