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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 is noted for providing good value for cost, with clients emphasizing their competitive pricing and high-quality outputs. Specific project costs were not disclosed, but reviews consistently highlight that projects were completed on time and within budget, showcasing effective resource management.

    This summary is based on verified Clutch reviews.

    Most Common Project Size

    $50,000 - $199,999 based on 27 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

    • Expertise in Diverse Industries

      Diffco has demonstrated proficiency across various sectors, including real estate, e-commerce, medical devices, and law enforcement. They handle complex projects like AI-enhanced apps, ERP systems, and blockchain solutions, showcasing their versatility and technical expertise.

    • Comprehensive Service Offering

      Diffco provides a wide range of services, from mobile and web app development to backend infrastructure and API integrations. Their ability to handle full-cycle projects makes them a valuable partner in various initiatives.

    • Areas for Improvement in Openness to Suggestions

      While Diffco is praised for their expertise, some clients suggest they could benefit from being more open to exploring client suggestions and stepping outside their comfort zone to enhance their service offerings.

    • Strong Technical Expertise

      Clients appreciate Diffco's deep technical knowledge, particularly in mobile app development, AI, and backend development. Their ability to solve complex technical challenges and deliver robust solutions is a recurring theme.

    • High Customer Satisfaction

      Many clients express satisfaction with Diffco's work, noting improvements in performance, reliability, and user experience. The company is recognized for its ability to meet client expectations and deliver high-quality deliverables.

    • Responsive and Adaptive

      Diffco is commended for their responsiveness and adaptability, swiftly addressing client concerns and adapting to changes in project scope. This flexibility contributes to a positive client experience.

    Diffco Reviews

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    Services
    Project cost

    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.

    Staff Augmentation & Recruiting for Startup Consulting Co

    • IT Staff Augmentation Recruiting
    • Confidential
    • Feb. 2024 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "Diffco's project management is excellent."

    Jun 3, 2024
    CEO, Palo Alto Consulting
    Daria Kuk
    • Other industries
    • Sunnyvale, California
    • 11-50 Employees
    • Online Review

    Diffco provides recruiting and staff augmentation services for a startup consulting company. The team recruits professionals for the client's customers' startups to assist with software development projects.

    Showing 11-20 of 30 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
    26
    Overall Review Rating
    5
    Source
    Clutch
    Last Updated
    May 13, 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

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