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Your trusted AI software development partner

Diffco is a San Francisco-based AI-first software engineering partner for growth-oriented teams. We embed senior engineers and product strategists who turn AI vision into shipped, revenue-driving products. Our team has spent the last 18 years building: SaaS platforms, web&mobile apps, and now AI-native systems for best startups to top U.S. enterprises in healthcare, finance, and other regulated industries. Products we developed are used by renowned companies such as American Express, Starbucks, Whole Foods, Mars, and many successful startups like Maze, Happier, and Legion Farm, among many others.

  • Min project size
    $25,000+
  • Hourly rate
    $100 - $149 / 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

Select Focus Area
Application Platforms
Amazon Application Development Framework
45%
Azure Platform
20%
Linux server
5%
AI Agent Development Focus
AI Agent Frameworks
40%
AI Agent Platforms & Builders
40%
Voice AI Agents
20%
AI Agent Purpose Focus
Business Intelligence AI Agents
10%
Coding & Development AI Agents
10%
Customer Service AI Agents
10%
Digital Workers AI Agents
10%
Finance AI Agents
10%
General Purpose AI Agents
10%
Image Creation AI Agents
10%
Productivity AI Agents
10%
Sales & Lead Generation AI Agents
10%
Workflow AI Agents
10%
AI Platform Integration Focus
Google Workspace AI Integration
25%
Salesforce AI Integration
25%
Hubspot AI Integration
20%
Gumloop AI Integration
15%
Notion AI Integration
15%
AI Technologies & Models
Anthropic
30%
Open AI GPT-3
25%
Open AI Dall-E 2
15%
Stable Diffusion
15%
Hugging Face Bloom
10%
Deepmind Gopher
5%
CMS Focus
Adobe Experience Manager CMS
25%
Frameworks and CMS
Other frameworks and CMS
5%
Programming & Scripting
Python
20%
Typescript
15%
Java
10%
Go
5%
Industries
Business services
25%
Medical
25%
Consumer products & services
10%
Education
10%
Financial services
10%
Manufacturing
10%
Supply Chain, Logistics, and Transport
10%
Clients
Midmarket ($10M - $1B)
45%
Enterprise (>$1B)
35%
Small Business (<$10M)
20%

Pricing Snapshot

Min. project size $25,000+
Avg. hourly rate $100 - $149 /hr
Rating for cost 4.9 /5

What Clients Have Said

Diffco AI offers good value for cost, with clients noting efficient project delivery within budget. Most projects involved teams of 2-10 employees, with costs not explicitly detailed. Clients appreciated the responsiveness and alignment with their values, emphasizing their ability to meet diverse project needs.

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 AI 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 AI and Software Development

    Diffco AI is consistently praised for their technical expertise in AI, web, and mobile app development. Clients from diverse industries like real estate, logistics, and healthcare value their ability to deliver highly functional and innovative solutions.

  • Strong Project Management

    Clients appreciate Diffco's project management skills, noting their responsiveness, clear communication, and efficient workflow. The use of tools like Jira and regular meetings help maintain transparency and progress.

  • Potential for Broader Idea Exploration

    While clients are generally satisfied, there was a suggestion that Diffco could benefit from exploring and considering more diverse ideas during the development process to enhance creativity.

  • Timely and Budget-Conscious Deliveries

    Multiple reviews commend Diffco AI for completing projects on time and within budget. Their ability to manage timelines effectively and deliver results as promised is highlighted as a significant advantage.

  • High Client Satisfaction

    The majority of clients express high satisfaction with Diffco's services, noting the quality of deliverables and the positive outcomes achieved through their collaborations.

  • Adaptability to Client Needs

    Diffco is praised for their flexibility and ability to adapt to client schedules and communication preferences, ensuring a seamless working relationship.

Diffco AI Reviews

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Services
Project Cost
Industry
Location

AI Consulting & Dev for Landscape Design Platform

  • AI Consulting AI Development Application Management & Support
  • $50,000 to $199,999
  • Aug. - Nov. 2025
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"Overall, the collaboration was excellent."

Dec 8, 2025
Executive, customscape.ai
Anonymous
Verified
  • Other industries
  • West Palm Beach, Florida
  • 1-10 Employees
  • Online Review
  • Verified

Diffco provided AI consulting and SI for an AI-assisted landscape design platform. The team assisted the client in defining and launching the second version of their AI-powered landscaping product.

Custom Software Development for Digital Logistics Platform

  • Custom Software Development
  • $50,000 to $199,999
  • July 2024 - Jan. 2025
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"Diffco delivered high-quality work, met all expectations, and collaborated effectively."

Mar 28, 2025
CEO, Via.Delivery
Mitchell Nikitin
Verified
  • Information technology
  • Menlo Park, California
  • 11-50 Employees
  • Online Review
  • Verified

Diffco provided backend development and third-party postal and shipping API integration for a digital logistics platform. They optimized backend systems and contributed to architectural decisions.

Web & Mobile App Development for Testing Platform Company

  • Custom Software Development Mobile App Development Web Development
  • $200,000 to $999,999
  • May 2022 - Ongoing
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"Our collaboration has worked out perfectly fine."

Jun 19, 2023
VP of Customer Success, Performance Lab US
Kamilla Hawkins
Verified
  • Other industries
  • San Jose, California
  • 201-500 Employees
  • Online Review
  • Verified

Diffco has developed web and mobile applications for a testing platform company. The team is responsible for the apps' design, development, and integration with real-time data feeds.

Web & Software Dev for Cloud-Based Performance Testing Firm

  • Custom Software Development
  • $200,000 to $999,999
  • Nov. 2022 - Ongoing
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"Everything worked out perfectly."

May 16, 2023
CEO, PFLB
Yurii Kovalov
Verified
  • Other industries
  • Mountain View, California
  • 51-200 Employees
  • Online Review
  • Verified

Diffco develops the backend and frontend components for a cloud-based performance testing firm. They design and implement a secure and scalable architecture and integrate APIs into existing systems.

Custom E-Learning Platform for Coaching & Consulting Company

  • Custom Software Development Mobile App Development Web Development
  • $200,000 to $999,999
  • Jan. - Mar. 2023
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"The quality of their service is world-class."

Apr 6, 2023
CEO, Accountability Now
Don Markland
Verified
  • Other industries
  • Jacksonville, Florida
  • 1-10 Employees
  • Online Review
  • Verified

A coaching and consulting company hired Diffco to build a custom e-learning platform for learners. The team also revamped the client's website and onboarding platform.  

Website Redesign & Branding for Software Dev Company

  • Branding Web Design Web Development
  • $50,000 to $199,999
  • May 2020 - Ongoing
5.0
Quality
5.0
Schedule
4.0
Cost
4.0
Willing to Refer
5.0

"The quality and consistency of the team make Diffco stand out over other vendors."

Jan 10, 2023
Executive, FlashGrid
Anonymous
Verified
  • Other industries
  • Sunnyvale, California
  • 11-50 Employees
  • Online Review
  • Verified

Diffco has revamped a software development company's website and branding. They've built a Zendesk-based platform, set up AWS infrastructure for it, and created a custom help center for clients.

iOS Mobile App Dev & Backend Dev for Vet Platform

  • Mobile App Development Web Development
  • $50,000 to $199,999
  • Jan. 2016 - Aug. 2017
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"Their extensive technical knowledge and expertise in mobile app development were very impressive."

Nov 30, 2020
Account Director, Phew! Inc
Ruslana Golunova
Verified
  • Other industries
  • Pleasanton, California
  • 11-50 Employees
  • Online Review
  • Verified

Diffco built two iOS mobile apps for a pet healthcare platform, for vets and pets parents. Its features include examination forms, reminders, and more. They also developed the client's backend.

Community Online Platform for Aviation Tech Company

  • Custom Software Development
  • $10,000 to $49,999
  • Dec. 2015 - Sep. 2017
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"We were impressed by their market knowledge and product development skills."

Nov 28, 2020
Marketing Director, Aviation Company
Anonymous
Verified
  • Information technology
  • Torrance, California
  • 1-10 Employees
  • Online Review
  • Verified

Diffco created an online platform for an aviation tech company. The team developed the web-based application, ERP, and backend. This solution allows end-users to book, schedule, pay, and more.

Mobile App Development for Law Enforcer Mobile Ecosystem

  • Mobile App Development
  • $50,000 to $199,999
  • Feb. 2016 - Ongoing
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"While working with Diffco, I felt like they were a part of our own team."

Nov 16, 2020
Co-Founder, L.E. Solutions
Dimitri Popov
Verified
  • Other industries
  • San Francisco, California
  • 1-10 Employees
  • Online Review
  • Verified

A mobile eco-system for law enforcement partnered with Diffco in order to develop several mobile apps including a field sobriety test, a field investigation card, and pill detection test.

Showing 1-10 of 31 Reviews

Software Development Packages

From zero to hero with clear planning - a Discovery stage for Sofware development. Brainstorming, UI prototyping, PRD, RnD, Project Management, and other features included.

Small

$35,000 /total
  • Meetings/Brainstorming: Up to 24 hours
  • UX/UI Designer : By Client Request
  • QA: Part Time
  • Front-end/Mobile engineer
  • Back-end engineer

Large

$85,000 /total
  • Meetings/Brainstorming: Up to 64 hours
  • UX/UI Designer : Full Time
  • QA: Full Time
  • Front-end/Mobile engineer
  • Back-end engineer
Features

Small

$35,000

/total

Medium

$60,000

/total

Large

$85,000

/total

Meetings/Brainstorming

Up to 24 hours

Up to 48 hours

Up to 64 hours

UX/UI Designer

By Client Request

Full Time

Full Time

QA

Part Time

Full Time

Full Time

Front-end/Mobile engineer

Back-end engineer

Project Manager

Part Time

Full Time

Full Time

Business Analyst/Tech writer

By Client Request

Part Time

Full Time

DevOps

3rd Parties Integration

Payment Getaway Integrations

App Publishing to App Store & Play Market

Technical Documents Preparation

Data Science / Machine Learning

By Client Request

By Client Request

By Client Request

Automation Quality Assurance

By Client Request

By Client Request

Yes

Small

$35,000

/total

Meetings/Brainstorming

Up to 24 hours

UX/UI Designer

By Client Request

QA

Part Time

Front-end/Mobile engineer

Back-end engineer

Project Manager

Part Time

Business Analyst/Tech writer

By Client Request

DevOps

3rd Parties Integration

Payment Getaway Integrations

App Publishing to App Store & Play Market

Technical Documents Preparation

Data Science / Machine Learning

By Client Request

Automation Quality Assurance

By Client Request

Medium

$60,000

/total

Meetings/Brainstorming

Up to 48 hours

UX/UI Designer

Full Time

QA

Full Time

Front-end/Mobile engineer

Back-end engineer

Project Manager

Full Time

Business Analyst/Tech writer

Part Time

DevOps

3rd Parties Integration

Payment Getaway Integrations

App Publishing to App Store & Play Market

Technical Documents Preparation

Data Science / Machine Learning

By Client Request

Automation Quality Assurance

By Client Request

Large

$85,000

/total

Meetings/Brainstorming

Up to 64 hours

UX/UI Designer

Full Time

QA

Full Time

Front-end/Mobile engineer

Back-end engineer

Project Manager

Full Time

Business Analyst/Tech writer

Full Time

DevOps

3rd Parties Integration

Payment Getaway Integrations

App Publishing to App Store & Play Market

Technical Documents Preparation

Data Science / Machine Learning

By Client Request

Automation Quality Assurance

Yes

Our Story

We started Diffco on a simple belief: great software comes from teams who think like product owners and hold a senior bar from day one. From our Silicon Valley base we build AI-native products — agents, copilots, and full systems — for teams in healthcare, fintech, and beyond. Clear communication, product-oriented thinking, and AI-first engineering aren't perks here; they're how we ship.

Meet the Team

Vadim Peskov

Vadim PeskovCEO

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, CV, Cybersecurity, statups and product design.

Eugene Nasonov

Eugene NasonovCTO

Eugene sets Diffco's technical direction and owns the engineering bar that clients hire us for. Over nearly two decades he's architected production systems across SaaS, mobile, enterprise, and AI-native products.

Paul Shpin

Paul ShpinVP of Engineering

Paul brings 25 years of engineering and entrepreneurial leadership to Diffco. A systemic architect and battle-tested founder behind many statups, he focuses on building resilient, scalable platforms.

Marko Karovic

Marko KarovicPMO

Marko a highly skilled PMO, has a strong track record delivering projects across Med-Tech, e-commerce, IoT, telecom, and machine learning. Tech-savvy and adaptable, he excels at driving results in complex, fast-paced environments.

What Sets Us Apart

Production-Ready AI Engineering

Senior engineers and AI agents in one delivery loop, with human review at every gate.

Product owners, not vendors

We start from your goals, challenge assumptions, and ship what moves the metric.

Senior teams, no junior bench

Top 1% engineers from day one, direct access, the engineer who scopes it ships it.

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

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