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.

01

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.

  • clarity over complexity
  • rest as part of the product
  • consistency over perfection
02

What we're building

fitness · ios

nimlo

Simple workouts. No pressure. Just show up.

available on ios

One workout. Four exercises. Clear weight recommendations — then the app locks until your next session. Rest is part of training.

Nimlo home screen with continue workout circle
Nimlo exercise screen with weight recommendations
Nimlo profile builder focus selection
01

Personalized in seconds

Workouts tailored to you without hours of planning.

02

Clear recommendations

Know exactly what weight to use for every exercise.

03

Simple routines

Four exercises per session. That's it.

04

Built-in rest

The app locks until your next session.

01

Open Nimlo

02

Get your workout

03

Keep showing up

Download on theApp Store
AndroidComing Soon
03

Get in touch

Support, feedback, or just saying hello.

caelummercer@gmail.com