$10,000+
$30 - $49 / hr
250 - 999
SMBs
Ukraine, Kropyvnytskyi
2020
Within 1 week
ONIX โ€“ your top-notch software development team

ONIX offers development services using such technologies:


ย 


๐Ÿ“Œ ๐๐š๐œ๐ค๐ž๐ง๐: Node.js, Python, Java, Ruby, PHP


๐Ÿ“Œ ๐…๐ซ๐จ๐ง๐ญ๐ž๐ง๐: JavaScript, React, Angular, Vue.js,


๐Ÿ“Œ ๐Œ๐จ๐›๐ข๐ฅ๐ž ๐๐ž๐ฏ๐ž๐ฅ๐จ๐ฉ๐ฆ๐ž๐ง๐ญ: Swift, Objective-C, Kotlin, Java, Flutter, React Native


๐Ÿ“Œ ๐”๐ˆ/๐”๐— ๐ƒ๐ž๐ฌ๐ข๐ ๐ง: wireframes; prototypes; icon, logo, and theme design


๐Ÿ“Œ ๐ƒ๐š๐ญ๐š๐›๐š๐ฌ๐ž: PostgreSQL, MongoDB, AWS DynamoDB, MariaDB


๐Ÿ“Œ ๐‚๐ฅ๐จ๐ฎ๐ ๐ฌ๐ญ๐จ๐ซ๐š๐ ๐ž: AWS, Azure, GCP (Google Cloud Platform), Heroku, DigitalOcean


๐Ÿ“Œ ๐‚๐Œ๐’: WordPress, Shopify, WooCommerce, Elementor, Webflow, Strapi, Moodle


๐Ÿ“Œ ๐•๐‘\๐€๐‘: Unity, Oculus Integration, EasyAr, Maxst, Xzimg, Agora, Zenject, Wowza, LipSync, AVPro, Nakama, Headjack, Pico VR, Hurricane VR, AVPro Video, ARCore


๐Ÿ“Œ ๐Ÿ‘๐ƒ: Blender. Maya, Houdini, Zbrush, Substance Painter, Render


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What you'll get by choosing ONIX:


โœ… Professional expertise


โœ… Quick and easy start


โœ… Deep expertise in 20+ domains


โœ… Individual approach to each project


โœ… Quality Assurance


โœ… Project accompaniment and development after deploy


โœ… Open mind and out-of-the-box approach for the highest results


ย 


Domains we specialize:


๐Ÿ‘ฉโ€๐Ÿซ EdTech


๐Ÿ‘จโ€โš•๏ธ HealthCare and Caregiving


๐Ÿคธโ€โ™‚๏ธ Fitness and sports


๐Ÿ“Š Financial systems


๐Ÿช Apartment reservation systems


๐Ÿš— Car rental


โ›ฑTourism and booking systems


๐Ÿก Real estate


๐Ÿ“ฐ ERP systems


๐Ÿ›’ Retail


๐Ÿ“’ SaaS applications


๐Ÿ“น Video streaming


๐Ÿ’ณ E-commerce


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Why ONIX is the excellent choice for cooperation:


๐Ÿ“… 23 years of experience in software development


๐Ÿ“ˆ 500+ completed projects each year


๐Ÿ‘จโ€๐Ÿ’ป 350+ talented multi-dimensional experts


๐ŸŒŽ Clients from 22+ countries around the world


๐Ÿ‘จโ€๐Ÿ’ป Responsible and creative team

ONIX โ€“ your top-notch software development team

Company presentation

Techreviewer Score

ย  Submit a review
4.8

Client review platforms

The company's reputation is reflected through ratings and reviews from different review websites:

4.8
(56 reviews)Clutch
4.9
(9 reviews)DesignRush
5.0
(1 reviews)GoodFirms
4.8
(69 reviews)Google

AI Overview

Powered bytechreviewer AI
This company performance overview is based on AI analysis of 71 client reviews across 4 different review platforms. Read more about our methodology.
Last updated: September 2026

Performance snapshot

Onix is a full-service software development and design firm with demonstrated strengths across mobile/web development, AR/VR, DevOps, and AI-assisted solutions. The overwhelming majority of reviews are strongly positive, with quantified outcomes and multi-year client relationships supporting consistent delivery. One significant negative review citing product instability, communication barriers, and dishonesty introduces a notable reliability concern. Overall, the rating pattern skews strongly positive but is tempered by that outlier and occasional minor sub-metric gaps in cost and scheduling.

Performance breakdown

Technical expertise
Strong

Multiple anchor reviews cite specific technologies including React, Vue.js, Flutter, PostgreSQL, Python, Claude AI, and Unity, alongside quantified outcomes such as a 30% bug reduction and 25% frame rate improvement. Clients across AR/VR, AI, DevOps, and fintech consistently praise depth and breadth of technical capability.

Project management & delivery
Mixed

The majority of reviews report on-time delivery and Agile-driven milestone adherence, with several noting weekly builds and regular progress updates. However, one high-value engagement produced a rating of 0.5 for schedule, citing failure to deliver a stable product, which introduces a meaningful exception to the otherwise strong delivery record.

Communication & collaboration
Strong

Clients across multiple engagements consistently highlight responsive, multi-channel communication via Slack, Zoom, email, and messaging apps. English proficiency is explicitly praised, and several reviewers describe the team as feeling like an in-house extension, with only one review citing language barriers as a concern.

Reliability
Mixed

Most clients report stable, bug-reduced deliverables and consistent responsiveness over multi-year engagements, including a CI/CD workflow praised for application stability. One review, however, details an unstable product and unprofessional conduct over an extended engagement, preventing a Strong rating given the severity of the claim.

Client satisfaction & outcomes
Strong

Numerous reviews report tangible business results: 20% user adoption increase, 100+ app downloads within a week of launch, 600 paying subscribers in two months, 4.8 App Store ratings, and reduced operational costs. Long-term repeat engagements and high willingness-to-refer scores further reinforce consistent value delivery.

Best for

Onix is best suited for startups and SMEs seeking a long-term development partner for mobile apps, web platforms, AR/VR experiences, or DevOps management. Clients who value transparent communication, Agile delivery, and cross-domain technical breadth will find the strongest fit.

Clients info

Onix serves a broad client base spanning fitness, fintech, education, media, healthcare, entertainment, and manufacturing. The typical client is a small business or startup with 1โ€“50 employees, though occasional mid-market engagements (51โ€“200 employees) are present. Project budgets most commonly fall in the $10,000โ€“$199,999 range, with a subset of larger engagements reaching $200,000โ€“$999,999. Primary industries represented include Fitness & Sports, Education, Media & Entertainment, Financial Services, Information Technology, Healthcare, Advertising & Marketing. Typical client size bands include 1โ€“10 Employees, 11โ€“50 Employees, 51โ€“200 Employees. Common project budget ranges include Less than $10,000, $10,000 to $49,999, $50,000 to $199,999, $200,000 to $999,999.

Review strength

The assessment is based on 71 reviews across 4 platforms, spanning from September 2015 to September 2026. The majority of reviews are recent (2022โ€“2026), providing strong recency confidence. A small number of reviews date back to 2015โ€“2016 and carry limited weight given how much the company may have evolved. Three Google reviews are very brief and lack substantive detail, limiting their analytical value. Review date range: Sep 14, 2015 - Sep 3, 2026.

Performance breakdown

Technical expertise
Strong

Multiple anchor reviews cite specific technologies including React, Vue.js, Flutter, PostgreSQL, Python, Claude AI, and Unity, alongside quantified outcomes such as a 30% bug reduction and 25% frame rate improvement. Clients across AR/VR, AI, DevOps, and fintech consistently praise depth and breadth of technical capability.

Project management & delivery
Mixed

The majority of reviews report on-time delivery and Agile-driven milestone adherence, with several noting weekly builds and regular progress updates. However, one high-value engagement produced a rating of 0.5 for schedule, citing failure to deliver a stable product, which introduces a meaningful exception to the otherwise strong delivery record.

Communication & collaboration
Strong

Clients across multiple engagements consistently highlight responsive, multi-channel communication via Slack, Zoom, email, and messaging apps. English proficiency is explicitly praised, and several reviewers describe the team as feeling like an in-house extension, with only one review citing language barriers as a concern.

Reliability
Mixed

Most clients report stable, bug-reduced deliverables and consistent responsiveness over multi-year engagements, including a CI/CD workflow praised for application stability. One review, however, details an unstable product and unprofessional conduct over an extended engagement, preventing a Strong rating given the severity of the claim.

Client satisfaction & outcomes
Strong

Numerous reviews report tangible business results: 20% user adoption increase, 100+ app downloads within a week of launch, 600 paying subscribers in two months, 4.8 App Store ratings, and reduced operational costs. Long-term repeat engagements and high willingness-to-refer scores further reinforce consistent value delivery.

Location and contacts

Ukraine, Kropyvnytskyi
Tarasa Karpy
25006

Major clients

MisterB&B
Adoric
James Smith Academy
BetterMe
Golf Life
Phlex