Independent app publisher · iOS

Apps built around one clear purpose.

OIZ Apps independently builds, publishes, and maintains focused apps for iPhone and iPad — each designed around one clear real-life purpose, and each free on the App Store.

The apps

0 apps on the App Store

New Health & Fitness

Smoking Tracker: Quit & Reduce

Take control of nicotine one pause at a time — cut down by gradually stretching the time between uses, or quit now and follow your nicotine-free progress.

Log cigarettes, vape puffs, pouches, snus and gum in one tap
A gradual plan built around longer, repeatable pauses
See your intervals, busiest hours and estimated savings

Free · On-device · No account

Download on theApp Store Learn more →

Smoking Tracker screenshot — 47 minutes since last use, progress toward a one-hour pause goal

Smoking Tracker screenshot — a reduction plan stepping from a 1-hour rhythm to nicotine-free

Business · Finance

UGC Studio

Run every brand collaboration from first message to final payment — with your deals, content calendar, money, brands, rates and scripts in one creator workspace.

Track deal status, deliverables, deadlines and next steps
See income, barter, expenses and outstanding payments
Keep brand contacts, pricing and outreach scripts ready

Free · Built for creators · iPhone & iPad

Download on theApp Store Learn more →

UGC Studio screenshot — income, barter, expenses and outstanding payments

Health & Fitness

Body Tracker: Measurements Log

One calm place to watch your body actually change — beyond what the scale says on any single morning. Measurements, weight, body fat and photos, kept together and charted over time.

Waist, chest, hips, arms and legs on one body map
Progress photos, side by side
Charts that show real change over time

Free · Ad-free · iPhone & iPad

Download on theApp Store Learn more →

Body Tracker: Measurements Log screenshot — the body map with every measurement point

Body Tracker: Measurements Log screenshot — a weight chart showing change over time

Travel · Finance

SplitTrip

Track a group trip's shared costs and see exactly who owes whom — from the first expense to the final settle-up.

Log shared expenses in seconds, all in one place
Split equally or by exact amounts, only among the people involved
Settle up with the fewest payments

Free · No account · iPhone & iPad

Download on theApp Store Learn more →

SplitTrip screenshot — a trip's shared expenses listed in one place

SplitTrip screenshot — the settle-up screen showing exactly who owes whom after a trip

Education

DMV Practice Test Permit 2026

Practice until you're sure you'll pass your permit test the first time — with questions matched to your state.

State-specific practice questions for all 50 states
Road-sign quizzes and realistic mock exams
Clear explanations for every answer

Free · All 50 states · No ads

Download on theApp Store Learn more →

DMV Practice Test screenshot — the practice exam dashboard with tests and progress

DMV Practice Test screenshot — a road-sign quiz question with answer options

The publisher

Independently built, published, and maintained.

OIZ Apps is one independent publisher. Every app on this page is designed, built, and looked after in-house — each around one clear purpose, with no dark patterns, no upsell mazes, and nothing extra bolted on.

FocusEvery app is built around one clear purpose.
No sign-upWhere an app doesn't need a login, it doesn't ask.
DesignedNative, uncluttered iOS design — on every screen.
FreeOn the App Store — for iPhone and iPad.

Guides

0 free guides

An idea, a bug, or a question?

Feel free to write — a feature you wish an app had, something that broke, or help using one. It goes straight to the person who builds them, and every message gets read.

Email leksme.w@gmail.com