Precision tools, zero nonsense.
ATom makes ruthlessly accurate mathematical, construction and utility apps for engineers, builders and tradespeople. Fast, native, and honest about what they do.
The lineup
Apps that earn their place on your home screen
One app, built for people who work with their hands and their heads.
Why ATom
Tools for builders, contractors and DIY
Every app starts on a real job — slab pours, footings, patios and everything in between. Accurate numbers, straight to your phone.
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Numbers you can trust
Volumes, bag counts and timelines are calculated and checked — one clear answer for every pour, footing or slab.
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Built for the job site
High-contrast screens you can read in sunlight, tap targets that work with gloves, and full offline use when signal drops.
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Simple and instant
Open the app, enter your dimensions, get your takeoff. No account, no loading screens, no clutter.
Who it's for
The developer
Every app, built by us
We design, build and ship everything — from the calculations to the interface. No layers of approval, no feature bloat. Just tools shaped by real work on real jobs.
The goal is straightforward: accurate numbers, quickly, on a phone that works on site. Every feature has to earn its place before it ships.
PourPlan
Concrete calculations, done on site
PourPlan figures slab volumes, footings, material totals and pour planning — so you know the numbers before the truck arrives. Coming soon to the App Store.