Apps by Usefulappz™

Usefulappz™ builds the apps behind our businesses. More apps are on the way.

BECOME A TESTER — FIRST IN LINE TO TRY THE NEWEST APPS.

The FillMyList app puts the whole pool in your pocket: new apps appear in FillMyList the moment they open, and you're first in line for every one.

Download the FillMyList app (Android)

TIRED OF LOOKING FOR TESTERS? Developers: inside the FillMyList app, one payment fills your tester list to FULL — $24.99, one app, testers cycled in waves until 12 confirmed, and kept full through your 14 days. Get the Hub and start a fill.

🎨

Tattoo Art Customs

Full design gallery, custom tattoos in 48 hours, memberships, shop tools.

Also coming to Google Play — available right now as a direct download from us:

Also direct: Get the free Android app · Get Pro for Android — $1.99 · Get the iPhone app — sideload edition ($1.67)

🖍️

Little Inkers

A free kids coloring book from Usefulappz™. Screenshot-proof art, kid-safe ads, and a parent zone where grown-ups can follow their little artist's progress, print finished pages, and manage parental controls.

🎬 Watch our new animated commercial

Android app iPhone app

Free

Get notified at launch

🌈

Poppy & Ziggy Show

Our new kids' show! Poppy & Ziggy learn colors, numbers, shapes and more through fun adventures. New episodes every Friday at 5pm.

📺 Watch & subscribe on YouTube

🌈 Episode guide & premiere dates

Watch the promos:

🎨 Crayon Treasure Hunt
🔢 Hide and Seek

🚗

Odometer

Automatic mileage tracking for gig drivers — trips log themselves, and every deductible mile is ready at tax time.

$1.99 · Automation $1.99/mo

Download now — $1.99

🎙️

Chorvix

One floating button for every AI — tap, talk, and hear the answer out loud, over any app.

Chorvix Team — $9.99/mo

Visit Chorvix

🗞️

Dawnfold

The house publication: the whole day in one sitting — news, world events, weather, money in plain words, and IN ORDER!, the daily puzzle you can finish. Read today's edition free on the web; the subscription carries every department, every day.

Vol. I, No. 1 — out now

Read Dawnfold

New apps from Usefulappz™ will appear here as they launch.

One studio, every app built in-house

Useful Appz Development Studios is an independent software studio. We do not white-label other people's software: every app on this page was designed, built and is maintained by the studio — the same team behind the Tattoo Art Customs design gallery, the Little Inkers kids' coloring app and our two shows, Color With Us and Poppy & Ziggy.

The apps exist because the businesses needed them. The gallery needed a real storefront in your pocket, artists needed working tools, parents needed a coloring app they could trust, and developers everywhere needed a way to find testers — so we built each one, and every one of them is a tool we rely on in our own business first. When you buy an app here, you are buying from the people who use it every day.