• Post a Project

Your trusted software development partner

Diffco is a San Francisco-based company specializing in AI, custom software development, and staffing services. With more than 17 years of expertise in creating dependable solutions for mobile, web, and AI applications, it is committed to driving and supporting the growth of your business.

 

Why Diffco?


For your project development:

  • Min project size
    $25,000+
  • Hourly rate
    $50 - $99 / hr
  • Employees
    50 - 249
  • Locations
    San Jose, CA
  • Year founded
    Founded 2008
  • Languages
  • Timezones

1 Language that we service

  • English

4 Timezones that we service

CST
Central Standard Time (CST)
EST
Eastern Standard Time (EST)
MST
Mountain Standard Time (MST)
PST
Pacific Standard Time (PST)

1 Locations

  • San Jose , CA

No have been added yet...

    Pricing Snapshot

    Min. project size $25,000+
    Avg. hourly rate $50 - $99 /hr
    Rating for cost 4.9 /5

    What Clients Have Said

    Diffco offers good value for cost, with projects delivered on time and within budget. Clients appreciate their responsiveness and ability to align with project goals. While specific costs are not detailed, feedback indicates a strong culture fit and satisfaction with the quality of work provided.

    This summary is based on verified Clutch reviews.

    Most Common Project Size

    $50,000 - $199,999 based on 28 reviews
    < $49,999 $50,000 - $199,999 $200,000 - $999,999 > $1,000,000

    Select a service to see pricing information

    Diffco Review Insights

    Overall Review Rating

    5.0
    • Quality 5.0
    • Schedule 4.9
    • Cost 4.9
    • Willing to Refer 5.0

    Top Mentions

    Review Highlights

    • Excellent Communication

      Clients value Diffco's clear and consistent communication throughout projects. Regular meetings, updates, and a transparent process contribute to a seamless collaboration experience.

    • Areas for Improvement in Openness to Suggestions

      While Diffco is highly praised, one client suggested that being more open to exploring client suggestions could enhance their service, indicating a potential area for growth in flexibility.

    • High Ratings and Referrals

      Many clients were drawn to Diffco due to their high ratings and positive referrals, reflecting a strong reputation in the industry.

    • Strong Cultural and Value Alignment

      Clients often choose Diffco for their cultural fit and alignment with company values, which facilitates a more integrated and harmonious working relationship.

    • Quick Turnaround Times

      Clients appreciate Diffco's ability to deliver projects quickly without compromising on quality, which helps in achieving faster time-to-market for products.

    • High Client Satisfaction

      Feedback highlights Diffco's ability to meet or exceed client expectations, resulting in positive outcomes and successful project deliveries. Clients express strong satisfaction with the results and the quality of work provided.

    Diffco Reviews

    Submit a Review
    All Filters

    0 selected

    Sort by
    Services
    Project cost

    Web Dev & ERP Platform for Entertainment Company

    • Custom Software Development
    • $200,000 to $999,999
    • May - Nov. 2016
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "The solutions they developed work very well and are exactly what we were looking for."

    Nov 13, 2020
    CEO, QUEST ROOM
    Ivan Petrushin
    Verified
    • Arts, entertainment & music
    • Los Angeles, California
    • 51-200 Employees
    • Online Review
    • Verified

    Diffco provided website and custom software development for an entertainment company. The team handled the integration of an ERP platform that includes a booking system and more business monitoring features.

    Mobile SDK Development for AI Voice Platform

    • Custom Software Development
    • $50,000 to $199,999
    • June 2019 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "We were impressed by Diffco's approach to the development process and how they engineer new solutions."

    Nov 5, 2020
    CEO, AI Voice Platform
    Anonymous
    Verified
    • Other industries
    • San Francisco, California
    • 11-50 Employees
    • Online Review
    • Verified

    An AI voice platform needed to develop a mobile partner SDK and hired Diffco to provide the necessary services. The goal was to make it easier for clients to integrate the platform into their products.

    Digital Content Distribution Platform for Software Company

    • Custom Software Development
    • $50,000 to $199,999
    • June 2019 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "They have a perfectly organized business process and high-quality standards."

    Nov 5, 2020
    CEO, Devmind
    Sergey Snezar
    Verified
    • Other industries
    • Tallinn, Estonia
    • 11-50 Employees
    • Online Review
    • Verified

    A software development, consultancy, and integration company needed to develop backend software for a digital content distribution platform for a client. They hired Diffco to provide the necessary services.

    Mobile App Dev for AI-Enhanced Mobile Application

    • Mobile App Development
    • $200,000 to $999,999
    • Mar. 2018 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "Diffco team is always ready to help; they share their ideas and suggest solutions of how to solve your task."

    Oct 13, 2020
    CEO, Fredd Inc.
    Igor Gubernsky
    Verified
    • Other industries
    • San Francisco, California
    • 1-10 Employees
    • Online Review
    • Verified

    Diffco provided mobile app development for an AI-enhanced mobile application for foodies. The team created an MVP project to help the company with its launch.

    Data Source Integration for MLOps Platform

    • Custom Software Development
    • $10,000 to $49,999
    • Sep. - Dec. 2019
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "They provided us with many valuable feedback on how to improve our product development strategy."

    Oct 1, 2020
    COO, Simiotics
    Sophia Aryan
    Verified
    • Other industries
    • United States
    • 1-10 Employees
    • Online Review
    • Verified

    Diffco provided custom software development for an MLOps platform. The team built integration of modules for the client which required various AI APIs.

    App Dev for Electrical & Electronic Manufacturing Company

    • Mobile App Development
    • $10,000 to $49,999
    • Jan. 2017 - Ongoing
    5.0
    Quality
    4.5
    Schedule
    5.0
    Cost
    4.0
    Willing to Refer
    5.0

    "They address issues quickly and communicate the outcomes to our team, resolving them if needed."

    Apr 21, 2020
    CEO & Founder, CloviTek Inc
    Vitaly Kirkpatrick, MBA
    Verified
    • Other industries
    • Salt Lake City, Utah
    • 1-10 Employees
    • Online Review
    • Verified

    Diffco developed an iOS and Android app prototype that decodes audio signals from TV, allowing users to hear any TV within one network area on headphones. They also developed a Shopify website.

    Technical Development for Gaming Community-Driven Mobile App

    • Custom Software Development
    • $200,000 to $999,999
    • May 2018 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "They did a very good job at management."

    Jan 22, 2020
    CTO, SRG Community
    Ilya Borodach
    Verified
    • Other industries
    • San Francisco, California
    • 1-10 Employees
    • Phone Interview
    • Verified

    Diffco is developing a gaming firm's technical infrastructure from scratch, building a customized blockchain solution and an admin panel. They use numerous frameworks for mobile and web development.

    Back-end App Development for Digital Development Agency

    • Mobile App Development
    • $10,000 to $49,999
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "There was confidence that we don't need to be triple check their work. We never had to redo anything. Diffco US is very reliable."

    Apr 29, 2016
    CEO, Digital Development Firm
    Anonymous
    Verified
    • Other industries
    • Russia
    • 11-50 Employees
    • Phone Interview
    • Verified

    Diffco US provided back-end development services, analytics, security checks, and upgrades for the client’s existing architecture as they created their mobile app.

    Mobile App Development & UX/UI Design for Medical Device Co

    • Mobile App Development UX/UI Design
    • $50,000 to $199,999
    • Feb. - June 2024
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "We had a great experience working with Diffco."

    Mar 25, 2025
    Executive, OVA Solutions
    Anonymous
    Verified
    • Medical
    • New York City, New York
    • 51-200 Employees
    • Online Review
    • Verified

    Diffco developed a mobile app and backend system for a medical device company's end client. The team designed the app's UX/UI, integrated APIs, and provided post-launch maintenance and support.

    Custom Software Dev for Security Tech Company

    • Custom Software Development
    • $50,000 to $199,999
    • Apr. 2023 - Ongoing
    5.0
    Quality
    4.5
    Schedule
    4.0
    Cost
    5.0
    Willing to Refer
    5.0

    "Their unique ideas and great management style were impressive."

    Jun 6, 2024
    VP of Design & Integration, Good2Go Inc
    Pete Gualfetti
    Verified
    • Other industries
    • South San Francisco, California
    • 11-50 Employees
    • Online Review
    • Verified

    Diffco has provided custom software development for a security tech company. This has included utilizing an advanced tech stack, offering annual technical support, and handling new feature integration.

    Showing 11-20 of 31 Reviews

    Meet the Team

    Vadim Peskov

    Vadim PeskovCEO

    Vadim Peskov is the CEO and Co-Founder of Diffco, Advisor at Alchemist Accelerator and numerous startups. He is an expert and speaker who combines years of experience in AI-enhanced applications, Cybersecurity, VC and product design.

    Clutch verification provides an additional layer of data to help you make the right purchasing decision of business services.

    Learn More
    Verified Client Reviews
    27
    Overall Review Rating
    5
    Source
    Clutch
    Last Updated
    December 8, 2025

    Business Entity

    Business Entity Name Diffco US, Inc.
    Source California Secretary of State
    Jurisdiction of Formation California
    Date of Formation January 27, 2015
    Status Active
    Last Updated February 26, 2025
    ID 3749327

    Credit Report Results

    International Credit Risk Assessment Low Risk
    Source Creditsafe
    Last Updated February 26, 2025
    Learn More About The Clutch Verification Process

    Locations (1)

    333 W San Carlos St #600 San JoseCA, United States 95110

    21 - 30

    Contact Diffco

    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 Diffco on Social

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

    Additional Connections

    (2)

    Packages