A small independent app studio

Small apps.
For real life.

A voice to warm up. A thought to untangle. A tank to look after. iPhone apps, each made to do one useful job.

Find your next useful thing
Made for iPhone. Made with care.

01 / Voxwarm · A daily vocal practice

Find your range. Hear a piano phrase. Sing it back. Voxwarm fits each exercise to your voice and shows the note you are singing, as you sing it.

Meet Voxwarm
Range-aware warm-ups. One phrase at a time.
Voxwarm App Store screenshot: See every note as you sing it. The Your turn pitch ladder shows C-sharp 3.
Penumbra App Store screenshot lists six guided journeys. Meeting Your Shadow is seven days; the other five are marked Premium and last 14 days each.Penumbra's Then & Now screen compares example answers about making time for drawing, with an Answer it again action.

02 / Penumbra · Private reflection

Six guided journeys. A deck of 120 prompts. Space to write honestly, at your own pace, with an optional Face ID lock and no account.

Meet Penumbra
On-device journal. Yours to export. Not therapy.

A few more useful things.

Nine more apps. Different corners of life. Find the one that fits yours.

Find a daily rhythm

Shiver

Start warm and finish cold with a hands-free shower timer, a free 14-day starter plan, session logs, and a weekly rhythm with room to rest.

Halcyon

Mix sleep sounds with individual volume controls, save a favorite blend, and fade it out with a timer. Explore breathing exercises, guides, and sleep stories.

Posture Coaching

Make room for a desk reset with posture reminders, guided stretch sessions, free starter plans, and a custom routine you can run hands-free.

Look after the details

Dahlia

Find a date idea by mood, budget, and time. Build a plan, keep a date journal, and remember the little things with Dahlia for iPhone.

Brightwater

Keep aquarium water tests, maintenance, dosing records, and equipment history together. Start with one free tank and free CSV export and import.

Wageproof

Record work hours, keep shift evidence, and review US pay estimates with visible math and limits. Federal overtime and file backup are available free.

Keep a practice of your own

Ascend

Log weight, earn XP for showing up, and follow a smoothed trend. Weight Health sync, CSV export, corrections, backfill, and Chronicle averages are free.

Duskmere

Capture a dream in dim light, connect recurring dreams in a Series, and explore cited lucid-dreaming lessons. Your meaning stays yours; no AI interpretation.

Maelzel

Try all metronome and rhythm-training features for 72 hours, then unlock lifetime use with one purchase. No automatic charge, subscription, or renewal.

From the notebook

A good place to start.

Two small, practical guides. No sign-up, no download, and no app required.

Voxwarm / A practical guide

Five-minute vocal warm-up

Published

A gentle, five-minute vocal warm-up you can follow without an app. Start comfortably, listen, and stop if your voice feels strained.

Penumbra / A practical guide

Private reflection worksheet

Published

A short, printable reflection worksheet. Notice one manageable moment, write at your own pace, and keep the page to yourself.