Ukraine / Digital products / 2026

Make time
your own.

We’re SIRENKO TOV — an emerging Ukrainian mobile development company building thoughtful tools for the way people work, focus, and live.

StepSync Timer app artwork showing a phone interface and illustrated character
01 / PRODUCT WALKTHROUGH

One routine.
Every step in sync.

Our first app brings structure to workouts, study sessions, cooking and everything in between.

StepSync Timer

A little structure goes a long way.

Choose a chapter to explore the actual app screens.

Actual screenshots · Android application
StepSync Timer New Timer screen
01

Build your flow

Name a routine and add personalized steps.

Fully customizableCreate steps, set durations and reorder your flow.
One continuous timerMove from one activity stage to the next.
Clear historyReview sessions and organize saved routines.
02 / THE RHYTHM

Feel the flow.

A working 2½-minute countdown inspired by the product. Try it right here — no account required.

Focus session

Ready · Step 01
Single-step preview02:30Make each moment count
Built around the way you work

Not another alarm. Your routine, your rules.

Break a big task into timed pieces. Keep your attention on what matters now, and let the next step follow naturally.

  • 01 — Add a step and decide its duration
  • 02 — Run the sequence without losing your place
  • 03 — Review, adjust, and use it again
04 / OUR FOCUS

From a first idea
to a useful app.

We’re starting small, with a focus on the details that make digital products genuinely helpful.

01

Mobile & Android development

Exploring practical mobile solutions, from workflows to working applications.

↗
02

Product & UX design

Shaping simple interfaces and clear journeys around real needs.

↗
03

Prototyping

Testing early concepts and turning product ideas into tangible experiences.

↗
04

Testing & quality

Reviewing software behaviour, usability and reliability at each step.

↗
05

Iteration & maintenance

Refining products with thoughtful fixes and continued improvement.

↗
05 / SIRENKO STUDIO

A fresh start.
A clear direction.

SIRENKO TOV is an emerging Ukrainian company focused on mobile products. StepSync Timer is our first app — an expression of our belief that technology should make everyday tasks feel simpler, not more complicated.

We’re at the beginning of our journey, learning, building and improving one release at a time.

StepSync Timer app icon
First product / Android

StepSync Timer.

Personalize your routines with step-by-step timers. Build a flow, track each session, and make progress at your own pace.

View on Google Play ↗

Preparing for launch · Availability depends on the Google Play release status.

06 / GET IN TOUCH

Have a good idea?
Let's talk.

andriiirenko@gmail.com ↗
Location14 vul. Sadova, Koshiv,
09810 Ukraine