Mobile Engineering Reel · React Native & Expo

pineapple

One codebase. Every phone.


25+ years shipping apps/Founder Anthony Wentzel/pineapples.dev

The thesis

We bet on TypeScript,
React Native and Expo.

One typed codebase that ships to iOS, Android and web, with native feel, over-the-air velocity, and backend infrastructure built to absorb millions of users. Native is the easy part; scaling it is the engineering.

The stack

How we build for mobile

01

TypeScript React Native

One typed codebase for iOS, Android and web. Native performance, shared logic, fewer bugs.

02

Expo & EAS

Over-the-air updates, fast cloud builds and store submission with EAS. Ship fixes the same day.

03

Scalable Backend Infra

Serverless, real-time backends that absorb broadcast-scale spikes and millions of daily users.

04

Ship & Operate

CI/CD, App Store / Play delivery, crash monitoring and analytics. We run what we ship.

Fintech · Rewards

Get paid to
go out.

A rideshare rewards app: take a ride, earn cash-back at local venues, all connected to your ride-share account.

Millions
daily active users
iOS · Android
one React Native codebase

Freebird Rides/Pineapple · React Native · rewards engine

TypeScript · React Native · maps & location · payments · cash-back engine

Fintech · Bitcoin

Read the news,
stack sats.

A consumer app that rewards readers with Bitcoin over the Lightning Network, lifting engagement on BTC Media content 100x while pushing cost-per-action down to pennies.

100x
increase in content engagement
Pennies
cost-per-action, paid in sats

Carrot · BTC Media/Pineapple · React Native · Lightning

TypeScript · React Native · Bitcoin · Lightning Network · iOS · Android

Entertainment · Live Voting

America votes,
in real time.

The companion and voting experience for a national live broadcast, engineered to absorb the traffic spike the moment voting opens.

National
broadcast-scale concurrency
Spike-ready
burst load when voting opens

Fox · American Idol/Pineapple · React Native · real-time voting

TypeScript · React Native · real-time backend · burst-scale infra

Sports · Fantasy

Game day,
in your hand.

The NFL's Fantasy Football app with Verizon: real-time game stats and scoring for millions of fans, every Sunday.

Millions
of downloads to date
Real-time
live stats & scoring

NFL · Verizon/Pineapple · Mobile + backend integration

React Native · real-time stats · NFL + Verizon backends

Web3 · Mobile + AR

Assets you can
walk up to.

A universal wallet across web, iOS and Android: multi-chain digital assets brought into the real world with an AR camera and maps.

Millions
daily active users
3
platforms from one client

Vatom/Pineapple · React Native · AR

TypeScript · React Native · AR camera · maps · multi-chain wallets

Web3 · Gaming

Win in game,
own it for real.

A platform that helps gamers monetize their in-game and digital assets, aggregating multi-chain NFTs across Ethereum, Polygon and Solana wallets.

Millions
daily active users
3 chains
Ethereum, Polygon, Solana

Gainr.io/Pineapple · React Native · Web3

TypeScript · React Native · Ethereum · Polygon · Solana · iOS · Android

Healthtech · Rehab

Recovery,
measured.

A physical-therapy app that measures knee and hip range of motion with the phone's camera, guides HD video exercises, and connects patients to licensed PTs.

On-device
range-of-motion by camera
Telehealth
1-on-1 PT video, built in

Curovate/Pineapple · React Native · CV + telehealth

TypeScript · React Native · on-device vision · video · telehealth backend

Healthtech · Public Health

Proof of health,
on demand.

A digital health passport built during the pandemic: verifiable COVID credentials in the patient's pocket, plus the logistics layer that tracked medical-supply distribution at national scale.

Pandemic
scale, when it mattered most
Proof + logistics
health credentials and supply tracking

Essential Health Passport/Pineapple · React Native · public-health platform

TypeScript · React Native · verifiable credentials · supply-chain logistics

PropTech · Operations

Property, managed
from anywhere.

Mobile for a property-management platform: managers and residents handle listings, maintenance and payments on the go.

2 sides
manager + resident in one app
On-the-go
operations from the field

Appfolio/Pineapple · React Native · platform integration

TypeScript · React Native · platform APIs · payments

Manufacturing · Field Sales

Spec it on site,
build it on the floor.

A field configurator app that turns a sales conversation into a manufacturing-ready spec, integrated via API to the ERP, cutting sales engineering time 10x and lifting sales 2.5x.

10x
faster sales engineering
2.5x
increase in sales

Metal Era · MTL Falcon/Pineapple · iOS · Android · ERP API

TypeScript · React Native · ERP integration · product configurator

Defense · Recruitment

Recruitment,
reimagined.

A multi-touch iPad experience for the Army's STEM recruitment vehicle, backed by a scalable cloud built for a national campaign. The year it shipped, the Army set a recruitment record.

Record
recruitment year that followed
National
multi-touch field deployment

U.S. Army/Pineapple · iPad · scalable cloud

TypeScript · React Native · multi-touch iPad · AWS IoT · Java backend

Built to scale

Native is the easy part.
Scale is the engineering.

A live-voting spike when a show goes to air. Game-day load every Sunday. Millions of daily users. We pair React Native front ends with serverless, real-time backends: queues, autoscaling functions and event streams, so the app stays fast when everyone shows up at once.

Millions
daily active users across apps
Burst
broadcast-scale traffic spikes
Real-time
live stats, scores and votes

Roll the next one

Let's ship
your app.


Anthony Wentzel/[email protected]/pineapples.dev

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