• Post a Project

We Provide Full Scope Mobile Development Expertise

Onix is a full-cycle software development company that builds well-suited solutions to drive company outcomes for startups, small and medium-sized businesses.

1100+  Successfully delivered projects
23+  Years of experience in software development
55+ Countries represented by clients
370+ Talented multi‑dimensional experts

  • Min project size
    $10,000+
  • Hourly rate
    $25 - $49 / hr
  • Employees
    250 - 999
  • Locations
    Kropyvnytskyi, Ukraine
  • Year founded
    Founded 2000
  • Languages
  • Timezones

2 Languages that we service

  • English
  • Ukrainian

38 Timezones that we service

ACT
Australia Central Time (ACT)
AGT
Argentina Standard Time (AGT)
AKST
Alaska Standard Time (AKST)
ART
(Arabic) Egypt Standard Time (ART)
AST
Arabia Standard Time (AST)
AET
Australia Eastern Time (AET)
BST
Bangladesh Standard Time (BST)
BET
Brazil Eastern Time (BET)
CAT
Central African Time (CAT)
CET
Central European Time (CET)
CNT
Canada Newfoundland Time (CNT)
COT
Colombia Time (COT)
CST
Central Standard Time (CST)
CTT
China Taiwan Time (CTT)
EAT
Eastern African Time (EAT)
EST
Eastern Standard Time (EST)
EET
Eastern European Time (EET)
GMT
Greenwich Mean Time (GMT)
GST
Gulf Standard Time (GST)
HST
Hawaii Standard Time (HST)
IDT
Israel Daylight Time (IDT)
IET
Indiana Eastern Standard Time (IET)
IST
India Standard Time (IST)
JST
Japan Standard Time (JST)
MET
Middle East Time (MET)
MIT
Midway Islands Time (MIT)
MST
Mountain Standard Time (MST)
NET
Near East Time (NET)
NST
New Zealand Standard Time (NST)
PNT
Phoenix Standard Time (PNT)
PRT
Puerto Rico and US Virgin Islands Time (PRT)
PST
Pacific Standard Time (PST)
PLT
Pakistan Lahore Time (PLT)
SAST
South African Standard Time (SAST)
SGT
Singapore Standard Time (SGT)
SST
Solomon Standard Time (SST)
UTC
Universal Coordinated Time (UTC)
VST
Vietnam Standard Time (VST)

3 Locations

  • Kropyvnytskyi , Ukraine
  • Poznań , Poland
  • Bratislava , Slovakia

Select Focus Area
Application Platforms
Linux server
40%
Amazon Application Development Framework
20%
Heroku
20%
Windows server
20%
AI Technologies & Models
Open AI GPT-3
40%
GPT-Neox
20%
AI2
10%
Deepmind Gopher
10%
Facebook OPT
10%
Hugging Face Bloom
10%
AR/VR Development Focus
DevOps Focus
DevOps CI/CD Services
20%
DevOps Consulting
20%
DevOps Maturity Audits
20%
Devops Assessment & Strategy Planning
20%
Release & Version Management
20%
Frameworks and CMS
Programming & Scripting
Objective C
10%
PHP
10%
Python
10%
Redux
10%
Ruby
10%
SQL
10%
Typescript
5%
Industries
Medical
25%
Financial services
15%
Education
10%
Hospitality & leisure
10%
Other industries
10%
Real estate
10%
Sports
10%
eCommerce
10%
Clients
Midmarket ($10M - $1B)
40%
Enterprise (>$1B)
30%
Small Business (<$10M)
30%
Certified in:
Custom Software Development

Pricing Snapshot

Min. project size $10,000+
Avg. hourly rate $25 - $49 /hr
Rating for cost 4.8 /5

What Clients Have Said

Onix-Systems is often praised for their good value for cost, with project investments ranging from $5,000 to over $192,000. Clients appreciate their transparency, responsiveness, and ability to deliver quality work on budget, though some noted occasional miscommunication.

This summary is based on verified Clutch reviews.

Most Common Project Size

$10,000 - $49,999 based on 40 reviews
< $10,000 $10,000 - $49,999 $50,000 - $199,999 > $200,000

Select a service to see pricing information

Onix-Systems Review Insights

Overall Review Rating

4.8
  • Quality 4.8
  • Schedule 4.8
  • Cost 4.8
  • Willing to Refer 4.8

Top Mentions

Review Highlights

  • Proficient in Custom Software Development

    Onix-Systems excels in developing tailored software solutions. Clients from various industries appreciate their ability to address unique challenges, such as improving operational efficiency and creating scalable platforms. Their expertise spans web applications, mobile apps, and VR projects.

  • Innovative Solutions to Complex Challenges

    Onix-Systems' ability to deliver innovative solutions to complex challenges is highly regarded. Their technical prowess and problem-solving skills are key factors in their successful project delivery.

  • Skilled in UI/UX Design

    Onix-Systems is recognized for their proficiency in UI/UX design, creating intuitive and aesthetically pleasing interfaces. Clients value their ability to translate creative visions into functional designs.

  • Effective Project Management

    Clients commend Onix-Systems for their organized project management, clear communication, and timely delivery. They maintain regular updates and are responsive to client needs, fostering a collaborative environment that enhances project success.

  • Challenges with Language and Communication

    Some clients have experienced language barriers and communication issues, leading to misunderstandings and project delays. This indicates an area where Onix-Systems could improve to ensure clearer and more effective communication.

  • Commitment to Customer Success

    Onix-Systems is praised for their dedication to customer success, with a culture of continuous improvement and a focus on delivering value. This commitment helps build strong client relationships and drives project success.

Onix-Systems Reviews

Submit a Review
All Filters

0 selected

Sort by
Services
Project Cost
Industry
Location

iOS Mobile App Dev. for Messaging Service Platform

  • Custom Software Development
  • $50,000 to $199,999
  • Dec. 2016 - Ongoing
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

“Their outstanding ability to solve extreme technical challenges distinguishes them from their competitors.”

Mar 30, 2018
CEO, messageLOUD
Garin Toren
Verified
  • Arts, entertainment & music
  • Albany, New York
  • 11-50 Employees
  • Phone Interview
  • Verified

Onix-Systems used an existing wireframe to create an iOS app that reads aloud messages as they’re received. They’ve developed the backend of the app. Currently, they’re building a public beta version.

Coding for Fitness Startup

  • Web Development
  • $10,000 to $49,999
  • Jan. 2016 - Ongoing
4.0
Quality
4.0
Schedule
4.5
Cost
3.5
Willing to Refer
4.5

"From what I've seen, the code produced by Onix was very clean and efficient."

Sep 13, 2016
Co-owner, Fitness Startup
Anonymous
Verified
  • Other industries
  • Montreal, Quebec
  • 1-10 Employees
  • Phone Interview
  • Verified

Onix-Systems is engaged to create a strong coding base for the client's core platform allowing users to access videos and information.

Coding for Web Application Company

  • Web Development
  • $200,000 to $999,999
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"We receive Onix's full attention even on smaller projects, where they're not making much profit. Onix has a very consistent approach and responsiveness."

Sep 13, 2016
Owner, Web Application Company
Anonymous
Verified
  • Other industries
  • Los Angeles, California
  • 11-50 Employees
  • Phone Interview
  • Verified

Onix-Systems is currently partnering with a software company long-term to develop custom software products that are as profitable as possible.

Custom App Development for Wine Business

  • Mobile App Development
  • $10,000 to $49,999
  • Sep. 2015 - Ongoing
4.5
Quality
5.0
Schedule
4.5
Cost
4.0
Willing to Refer
5.0

"We are satisfied with Onix's work ... They were able to review issues and provide feedback, instead of simply doing what we asked for."

Sep 7, 2016
Owner, Wine Retailer
Anonymous
Verified
  • Other industries
  • United Kingdom
  • 1-10 Employees
  • Phone Interview
  • Verified

Onix-Systems partnered with a small wine retailer in the UK to develop the core mobile application to grow the firm's user base and revenue.

Offshore Development for Canadian Agency

  • Mobile App Development
  • $10,000 to $49,999
  • Mar. - May 2016
5.0
Quality
4.5
Schedule
4.5
Cost
5.0
Willing to Refer
4.5

"We were satisfied with Onix's performance, and would consider hiring them again."

Sep 2, 2016
CTO, Canadian Agency
Anonymous
Verified
  • Other industries
  • Montreal, Quebec
  • 1-10 Employees
  • Phone Interview
  • Verified

Onix-Systems was engaged by a development agency to deliver a non-native mobile application for the end client using AngularJS and PHP technologies.

Platform Development for Software Startup

  • Custom Software Development
  • $50,000 to $199,999
  • Aug. 2013 - Ongoing
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"On a scale from 1 to 10, I would give Onix a 15. I'm very happy with their work."

Aug 30, 2016
Founder, CEO, Software Startup
Anonymous
Verified
  • Advertising & marketing
  • Israel
  • 11-50 Employees
  • Online Review
  • Verified

Onix-Systems was engaged by an Isreaeli online marketing agency to develop their website architecture with the goal of growing their incoming business.

Software Development for Online Marketing Platform

  • Custom Software Development
  • $200,000 to $999,999
  • Sep. 2007 - Ongoing
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"Onix-Systems is extremely reliable, hard working, and intelligent."

Sep 14, 2015
CEO, ROI Genius
Anonymous
Verified
  • Information technology
  • San Francisco, California
  • 11-50 Employees
  • Phone Interview
  • Verified

Onix-Systems partners with an IT company to work on complex projects in two development areas: enterprise business system platforms and creating a standard development kit for social robotics.

Web App Development & Design for Tour Operator Company

  • Other Application Development UX/UI Design Web Development
  • DevOps Consulting
  • Confidential
  • Apr. 2025 - Feb. 2026
5.0
Quality
4.5
Schedule
5.0
Cost
4.0
Willing to Refer
5.0

"Their ability to quickly understand our needs and translate them into effective solutions was impressive."

Feb 12, 2026
Executive, Exit Reizen
Anonymous
Verified
  • Other industries
  • Netherlands
  • 11-50 Employees
  • Online Review
  • Verified

Onix-Systems designed and developed a web app for a tour operator company. The team built a solution to streamline operations across departments, improve workflow efficiency, and centralize reporting.

Comprehensive UI/UX Design for Healthcare AI Tools Co

  • UX/UI Design
  • User Research UX Strategy
  • Confidential
  • Apr. - Sep. 2025
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"We were impressed with Onix-Systems' designs."

Sep 23, 2025
Manager, AI Driven HC Solutions, LLC
Anonymous
  • Other industries
  • Atlanta, Georgia
  • 1-10 Employees
  • Online Review

Onix-Systems provided UI/UX design services for a healthcare AI tools company. The team designed web and mobile screens for eight main user flows, including the login, onboarding, and registration processes.

Custom Software Development for Software Engineering Company

  • AI Development Custom Software Development
  • Chatbots & Conversational AI
  • Confidential
  • Nov. 2024 - Feb. 2025
5.0
Quality
4.5
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"The company masters a wide range of programming frameworks and languages."

Mar 27, 2025
Founder & AI Engineer, Software Engineering Company
Anonymous
Verified
  • Other industries
  • Montreal, Quebec
  • 1-10 Employees
  • Online Review
  • Verified

Onix-Systems provided custom software development for a software engineering company. The team customized a Laravel AI template to add some AI agents functionality and deployed the application to production.

Showing 31-40 of 52 Reviews

Verified means Clutch independently confirmed Onix-Systems is a legally registered business and backed by 46 verified client reviews averaging 4.8 stars.

Learn More
Verified Client Reviews
46
Overall Review Rating
4.8
Source
Clutch
Last Updated
February 12, 2026

Business Entity

Business Entity Name Onix-Systems LLC
Source Youcontrol
Jurisdiction of Formation Kirovohrad region
Date of Formation December 25, 2001
Status Active
Last Updated March 31, 2022
ID 31774976

Credit Report Results

Clutch was unable to obtain a credit report for this company. However, Clutch performed additional verification on this company and confirmed that there are no negative legal filings or large outstanding debts. This company has also received 3 or more verified reviews on our platform.

Learn More About The Clutch Verification Process

Locations (3)

Tarasa Karpy St, 76 KropyvnytskyiUkraine 25000

301 - 400

Contact Onix-Systems

If you’re not seeing exactly what you need here, send this company a custom message. You can talk about your project needs, price, and timeline to get started on your project.

Connect with Onix-Systems on Social

Get connected to see updates from Onix-Systems like new case studies, latest reviews, their latest masterpieces in their portfolio, delivered straight to you.