group of people building a mobile app

Startup-friendly app development

We help startups increase their chances of success with scalable, high-quality apps, transparent pricing and a startup-friendly process.

Trusted by YC-Backed Companies

Point logo
New Story logo
Expo logo
AVA logo
Jiveworld logo
Metal logo

We give startups a solid foundation to succeed.

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A product you can build on

We’re more than developers. We’re Startup Architects. We take ownership of the full tech stack, building you a high-quality product that meets your needs now and can grow and scale with you in the future.

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Startup-friendly process

Instead of locking you into a scoped agreement, we work with you month-to-month for as little or as long as you like. Our process is fast, agile and ready to pivot as needed...just like your startup.

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Transparent pricing

We don’t do SOWs and estimates. Instead, we charge a flat monthly rate, and we aren’t afraid to share it.

See our pricing.
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Money-back guarantee

Try us out risk-free for seven days. If you’re unhappy with our work or process, we’ll give you a full refund. Yep, really.

woman holding a flag on top of stairs
Expo, the fastest way to build an app. logo

Expo, the fastest way to build an app.

Objective C, Java, JavaScript

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Expo, the fastest way to build an app. mockup image
Crumbs, roundup your change into crypto. logo

Crumbs, roundup your change into crypto.

TypeScript, React Native, MobX

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Crumbs, roundup your change into crypto. mockup image
New Story, envision a world without global homelessness. logo

New Story, envision a world without global homelessness.

TypeScript, React Native, Redux

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New Story, envision a world without global homelessness. mockup image
Point, the first debit card with points. logo

Point, the first debit card with points.

TypeScript, React Native, MobX, GraphQL

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Point, the first debit card with points. mockup image
Mule, the world’s fastest shipping service. logo

Mule, the world’s fastest shipping service.

JavaScript, React Native, Redux

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Mule, the world’s fastest shipping service. mockup image
Fixit, easy car repair loans. logo

Fixit, easy car repair loans.

JavaScript, React, React Native, Node.js, Firebase

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Fixit, easy car repair loans. mockup image
AVA, world's smartest indoor garden. logo

AVA, world's smartest indoor garden.

TypeScript, React, React Native, Redux, Node.js

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AVA, world's smartest indoor garden. mockup image
UQAM App, for the students, by the students. logo

UQAM App, for the students, by the students.

TypeScript, React Native, Redux, Node.js

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UQAM App, for the students, by the students. mockup image
Jiveworld, learn language as it's really spoken. logo

Jiveworld, learn language as it's really spoken.

JavaScript, React Native

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Jiveworld, learn language as it's really spoken. mockup image

Loved by YC-backed startups

"At Expo we have worked with App & Flow to develop a number of features into our product and it was always a pleasure to collaborate with Charles and the rest of the team! We frequently recommend them to folks that come to us looking for help with their React or React Native apps."

Brent Vatne, Software Developer at Expo