topappdevelopmentcompanies
Write a Review menu
Menu

Overall Review Rating

4.3 (6 Ratings)

Quality 4.4/5
Schedule 4.7/5
Cost 4.5/5
Communication 4.3/5

Overview

Sephone develop best mobile apps, custom web solutions, social media strategies, and website. They want to show your company for what it is alternatively of trying to wedge your industry into a universal web solution. They are dedicated to making and promoting long-term professional connections with their clients in support of their aims. It is a good company to be placed on this list.

founded
Founded 2001
employees
Employees 10 - 49
hourly rates
Hourly Rates N/A
our ratings
Ratings 4.3/5
contact
Contact +12072625040

Services

  • Cloud Provisioning Services
  • AngularJS Development
  • Market Research
  • Cross Platform Development
  • iOS App Development
  • Research & Investigation
  • Android App Development
  • Web Development
  • Mobile App Development
  • Cryptocurrency Wallet Development
  • Data Analytics
  • Mobile App Marketing

Industries Served

Government & Public Sector Healthcare Insurance Legal Services Media & Entertainment Mining & Metals

Sephone Reviews

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

Marco Ferrante

VP of Engineering - Adriatic Tech Srl
Posted on Apr 06, 2026
4.0 Overall Rating

Architecture review that saved us from a vendor decision we would have regretted

Three months post-launch our key metrics are all moving in the right direction — user adoption ahead of target, support volume down, time-on-task reduced for our core workflows. The product team has started planning features that were never viable on the previous platform. That is the real proof of the investment: it opened up possibilities rather than just replacing what was there before.

Project summary

Our client portal had not been updated since 2018. Prospects were mentioning competitor portals in pitches. We could not keep deferring the investment.

Quality 4.5/5
Schedule 3.5/5
Cost 4.5/5
Communication 4.0/5
project type
Project Type IT Consulting
industry
Industry Legal Services
project cost
Project Cost $50,000 to $149,999
Read Full Review

Thabo Ndlovu

Head of Technology - Highveld Tech Pty Ltd
Posted on Jun 21, 2025
4.0 Overall Rating

The team understood mobile-first before we finished explaining the brief

Three months post-launch our key metrics are all moving in the right direction — user adoption ahead of target, support volume down, time-on-task reduced for our core workflows. The product team has started planning features that were never viable on the previous platform. That is the real proof of the investment: it opened up possibilities rather than just replacing what was there before.

Project summary

Our product thinking was strong. Our execution capacity in this specific domain was limited. We needed deep expertise, not a generalist willing to learn on our time.

Quality 4.5/5
Schedule 4.5/5
Cost 4.0/5
Communication 4.0/5
project type
Project Type Mobile App Development
industry
Industry Mining & Metals
project cost
Project Cost $150,000 to $499,999
Read Full Review

Nisha Pillai

Director of Engineering - GrowthBridge Ventures
Posted on Feb 14, 2025
4.5 Overall Rating

A vendor that earned a place on our preferred supplier list through delivery, not sales

The technical quality is the obvious thing to highlight. The automated test suite is comprehensive, the deployment pipeline is solid, and the documentation is actually useful rather than written to satisfy a checklist. But the metric I keep coming back to is what has NOT happened since go-live. No 2am incident calls. No emergency patches. No post-launch retrospectives about what went wrong. For a system of this complexity, that outcome is exactly what we paid for.

Project summary

Accessibility compliance requirements had changed. Our current platforms failed the new benchmarks and our legal team had given us a clear timeline to address that.

Quality 4.5/5
Schedule 5.0/5
Cost 5.0/5
Communication 4.0/5
project type
Project Type Industry-Specific Solutions
industry
Industry Government & Public Sector
project cost
Project Cost $500,000+
Read Full Review

Marcin Lewandowski

Engineering Manager - Kraków Digital Sp zoo
Posted on Aug 18, 2023
4.5 Overall Rating

Performance testing caught a latency issue three weeks before our biggest traffic event

Looking back, what strikes me most is how little drama there was. Real technology projects have problems. This one had them too — but every problem was flagged before it became a crisis, every scope change was handled through a proper process, and every risk was managed rather than buried. Our project manager said it was the smoothest vendor engagement he had been involved in. Given how complex the technical requirements were, I think that reflects genuine delivery maturity.

Project summary

Telehealth demand had turned a pilot into a core service line faster than our technology could keep up. We needed a compliant, reliable platform and we needed it quickly.

Quality 4.5/5
Schedule 5.0/5
Cost 4.5/5
Communication 4.5/5
project type
Project Type Quality Assurance & Testing
industry
Industry Healthcare
project cost
Project Cost Less than $10,000
Read Full Review

Ryan Calloway

Founder & CTO - Apex Digital Media LLC
Posted on May 24, 2023
4.5 Overall Rating

Delivered what the proposal described. More rare than it should be.

We went with a smaller team than we had originally planned for. I had concerns about whether the capacity would be sufficient given our timeline. Those concerns were unfounded. The team was focused, communication was constant, and the quality at each milestone review was consistent throughout. Smaller does not mean slower when the people are the right ones and this engagement proved that.

Project summary

A new product line required underwriting logic that our legacy system could not support without a rewrite of the rules engine. The workarounds had accumulated to the point of being unmanageable.

Quality 4.0/5
Schedule 5.0/5
Cost 4.5/5
Communication 4.5/5
project type
Project Type Low-Code / No-Code Development
industry
Industry Insurance
project cost
Project Cost $500,000+
Read Full Review
back to top