📈Last 7 days+4 installs — 67% slower than the week before (+12) · 1/day since Oct 5
🏆Among Tools apps bottom 44% by installs gained this week (1137 peers growing)
🛠Updatesactively updated · updated 6 days ago · every ~11 days (4 updates tracked)
Installs since launch
+40 installs
since Oct 5
Update history
1.5.0Nov 5, 2026 · seen Nov 11, 2026
No more ads: all calculators are free and ad-free. Pro (projects and PDF export) remains a one-time purchase. New: optional tip in Settings. Settings reorganized into clear sections, new gear icon.
1.3.0Oct 28, 2026 · seen Nov 1, 2026
New design: every calculator now has its own illustration, and the home screen shows all calculators as tiles. Calculators with dimensions show a diagram at the top. Results stand out more clearly, also in dark mode and with large text.
1.2.1Oct 16, 2026 · seen Oct 21, 2026
Units are now preselected more reliably for your country, even when the phone runs in US English. The rating request appears at most once every four months.
1.0.0Oct 4, 2026
New in Settings: “More apps” with recommendations from our app family and a link to all apps by Vardholt.
Concrete Calculator: Slab, Mix is a tools app by Vardholt with 10+ downloads (about 42 estimated). +4 installs in the last 7 days. Released Sep 24, 2026. Install growth, rank history, SDKs and ad networks.
From the store listing: “Concrete in cubic yards or m³: slab, post holes, rebar, bags & mix. Offline.”
