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Overall Review Rating

4.5 (6 Ratings)

Quality 4.4/5
Schedule 4.7/5
Cost 4.5/5
Communication 4.5/5

Overview

It is a full-service mobile development company. They have successfully completed projects for many new mobile enterprises and entrepreneurs. They will take your app idea from idea to reality in no time. The outcome is a stunning, appealing and useful app that puts you forward of the competition. They know the complexities of enterprise mobile solutions.

founded
Founded 2001
employees
Employees 10 - 49
hourly rates
Hourly Rates $50 - $99
our ratings
Ratings 4.5/5
contact
Contact +14166036667

Services

  • PhoneGap App Development
  • Advertising, Media
  • Cross Platform Development
  • Android App Development
  • iOS App Development
  • CMS Solutions
  • Cloud Governance
  • Magento
  • Mobile App Development
  • Internet Marketing
  • IT Consulting
  • Web Development

Industries Served

Agriculture Energy & Utilities Financial Services Insurance Retail & E-commerce Sports & Fitness

Osellus Mobile Reviews

Have a look at these client reviews on previously delivered projects.

Vikram Srinivasan

Head of Platform - Cascade EdTech Solutions
Posted on Mar 22, 2026
4.5 Overall Rating

Our QA partner treated product quality as a personal responsibility. It showed.

What set this team apart in practice was their engineering judgment — specifically, their willingness to tell us when our requirements were wrong and explain what to do instead. Not every vendor does that. The consultative element elevated the final output well beyond what our original brief described. We ended up with something better than what we had asked for, which is not a sentence I expected to be writing in a review.

Project summary

Our internal team was committed to maintenance and could not absorb a new build of this complexity. An external partner was the only way to hit the timeline.

Quality 5.0/5
Schedule 4.0/5
Cost 5.0/5
Communication 4.5/5
project type
Project Type Quality Assurance & Testing
industry
Industry Agriculture
project cost
Project Cost $500,000+
Read Full Review

Zara Hussain

Head of Technology - Ravi Digital Agency
Posted on Aug 01, 2024
4.5 Overall Rating

Pilot to full fleet deployment with zero redesign required along the way

Honestly, I came into this engagement with some scepticism. We had a bad experience with a vendor twelve months earlier and I wanted to see evidence of competence, not just hear about it. The discovery documentation was the first signal. The sprint delivery consistency was the second. By go-live I had stopped being sceptical and started planning how to expand the engagement. The production system has been stable from day one and our internal team loves working with the codebase they left us.

Project summary

Broker portal satisfaction scores had fallen for two consecutive years. Specific feedback pointed to the same workflow frustrations. We needed a redesign, not a patch.

Quality 5.0/5
Schedule 5.0/5
Cost 4.5/5
Communication 4.5/5
project type
Project Type IoT Development
industry
Industry Insurance
project cost
Project Cost $150,000 to $499,999
Read Full Review

Liselotte Bakker

Head of Platform Engineering - Harbour Digital BV
Posted on Jun 13, 2024
4.5 Overall Rating

QA coverage that finally made Friday deployments a professional activity

The part of this project I had been most worried about was the integration work. Our system landscape is complex, some of the upstream APIs were barely documented, and one of our third-party vendors was notoriously slow to respond. This team documented what the upstream vendors could not, built resilience into the architecture where third-party reliability was uncertain, and delivered integrations that have worked exactly as specified since day one. I genuinely could not have asked for more.

Project summary

A regulatory deadline required us to modernise how we reported on network performance. The data engineering needed to support it was not something our internal team could absorb without help.

Quality 4.0/5
Schedule 5.0/5
Cost 5.0/5
Communication 4.0/5
project type
Project Type Quality Assurance & Testing
industry
Industry Energy & Utilities
project cost
Project Cost Less than $10,000
Read Full Review

Omar Al-Farsi

Chief Technology Officer - Falcon Digital Ventures
Posted on Feb 13, 2024
4.5 Overall Rating

Every milestone hit. Every commitment met. No excuses, just delivery.

We have worked with a few agencies over the years and the comparison is honestly not close. What stood out from the start was that they spent serious time understanding the problem before they proposed anything. Once development started, every sprint review was clean — no hidden surprises, no slipped milestones. The production system has been running for four months without a single critical issue. Our internal developers reviewed the codebase at handover and were genuinely complimentary about the quality. That does not happen often.

Project summary

Our competitors' checkout experience was noticeably better than ours. Customers mentioned it in return surveys. We needed to close that gap before the next trading season.

Quality 4.5/5
Schedule 4.5/5
Cost 4.5/5
Communication 5.0/5
project type
Project Type Embedded Systems Development
industry
Industry Retail & E-commerce
project cost
Project Cost $500,000+
Read Full Review

Tobias Lindemann

Leiter Digitalisierung - Lindemann Industrie GmbH
Posted on Nov 15, 2023
4.5 Overall Rating

More media coverage from one AR launch than from anything we shipped in the previous year

What I appreciated most was that they were honest when things were not going to plan. There was one point mid-project where a dependency was going to affect our timeline and they told us three weeks before it would have become critical. That gave us time to adjust. Vendors who manage upward proactively are rare. This one did it consistently throughout the engagement.

Project summary

Seven years of incremental changes had left our trading platform fragile. Latency was worsening, technical debt was growing, and the rebuild conversation had been postponed long enough.

Quality 4.0/5
Schedule 5.0/5
Cost 4.0/5
Communication 4.5/5
project type
Project Type AR/VR Development
industry
Industry Financial Services
project cost
Project Cost Less than $10,000
Read Full Review
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