independent app producer

Caelum Mercer

Thoughtful software for everyday life.

Small apps with a clear point of view — built to remove friction, not add it.

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about

Apps that respect your time

Caelum Mercer is an independent producer building focused mobile experiences — tools that do one thing well and get out of your way.

No bloated feature lists. No guilt-driven engagement. Just software designed for real schedules, real motivation, and real people.

products

What we're building

fitness

nimlo

Simple workouts. No pressure. Just show up.

available on ios

Nimlo makes working out simple. No complicated tracking. No overwhelming plans. One workout, four exercises, clear weight recommendations — then the app locks until your next session. Rest is part of training.

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Personalized in seconds

Workouts tailored to you without hours of planning.

🎯

Clear recommendations

Know exactly what weight to use for every exercise.

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Simple routines

Four exercises per session. That's it. No overwhelm.

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Built-in rest

The app locks until your next session. Consistency over perfection.

How it works

1

Open Nimlo

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2

Get your workout

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3

Keep showing up

Busy schedules Low motivation days Beginners Tired of complicated apps
Download on the App Store
Android Coming Soon
contact

Get in touch

Support, feedback, or just saying hello.

caelummercer@gmail.com