OIZ Apps

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

BMI Calculator & Body Tracker app icon — a lime tape measure
Featured Health & Fitness

BMI Calculator & Body Tracker

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

  • BMI, weight, body fat and measurements in one log
  • Progress photos, side by side
  • Charts that show real change over time

Free · Ad-free · iPhone & iPad

Download on theApp Store Learn more →
BMI Calculator & Body Tracker screenshot — the BMI calculator with result gauge
BMI Calculator & Body Tracker screenshot — a weight chart showing change over time
SplitTrip app icon — a white receipt on a dark plate
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
DMV Practice Test app icon — a license plate reading DMV 2026
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

BMI & Body Tracker

SplitTrip

DMV Practice Test