Justin's Apps

StepMeterX

Daily Step Tracker

Track your daily steps, create walking routes with GPS, and watch your progress over time. All data stays on your device.

Numina

Professional Calculator

Scientific & financial calculator with graphing, RPN mode, unit converter, and custom programs. Offline-first, no account required.

Cukup

Budget Survival Tracker

See your daily spending allowance at a glance. Track expenses, subscriptions, and multiple income sources. No account ever.

Gyro Dash

Tilt-Controlled Arcade Racer

Tilt your phone to dodge obstacles, collect coins, and unlock vehicles. Arcade racing powered by your gyroscope — no buttons needed.

SliceStackX

One-Tap Tower Builder

Tap to drop, slice off the overhang, and chase the satisfying "Perfect" snap. How high can you stack? Free to play.

DailyThreeX

Three Habits. Every Day.

Track exactly three habits — by design. Complete all three for a perfect day, build streaks, and stay consistent. No account, no overwhelm.

SubSenseX

Subscription Tracker

See what your subscriptions really cost — without connecting your bank. Renewal reminders, monthly & yearly totals, all on your device. Free to use.

Sky Buddies

Co-op Airplane Shooter

Fly, shoot, and beat four bosses — solo or same-screen co-op. Drag to fly, auto-fire keeps it simple for small hands. Free to play, with an optional Remove Ads purchase.

StorageXSense

Duplicate Cleaner

Find duplicate photos, large videos, and duplicate contacts — then free up space. All scanning happens on your device. Nothing is ever uploaded.

MQTT SimX

MQTT Client & RTU Simulator

Connect to any MQTT broker over TCP or TLS, subscribe and publish across QoS levels, and simulate a Remote Terminal Unit with live telemetry. MQTT 3.1.1 & 5.0. Connection settings stay on your device.

FeedCastX

Podcast & Feed Player

Subscribe to any podcast by RSS URL and never lose it again. Playback speed, queue, offline downloads, and OPML import/export — no account, no server of ours in between.