Tell us what you want to build. We’ll come back with scope, timeline, and a fixed number within one business day.
50,000+
users on apps we've shipped
PhD-Level
expert team on every build
Inc 5000
Clients
✓Your app, on both stores
We handle the submission.
Both app stores
★★★★★✓Verified
“They offered impressive value for money.”
Jan van der AaCEO, Teacher AI · 50K users
✦
Live on the App Store and Google Play today
A Mobile App Development Company Teams Trust.
Los Angeles App Devs is a custom mobile app development company based in Downtown Los Angeles. We build native iOS, native Android, and cross-platform mobile apps for LA businesses, with fixed pricing agreed before work starts, weekly sprints with a working build every cycle, full source-code ownership, App Store and Google Play submission included, and a 30-day bug warranty after launch.
Services
Native iOS, native Android, cross-platform, AI and voice apps
Location
633 West 5th Street, 28th Floor, Los Angeles, CA 90071
Areas served
Greater Los Angeles metro, including Santa Monica, Beverly Hills, Pasadena, and Long Beach
You Have an App Idea. Our Custom Mobile App Development Turns It Into Something People Download.
◷
You see it working, early.
A real build lands in your hands every couple of weeks, so there are no surprises at the end.
◎
A team you can actually meet.
The person writing your code works out of Downtown LA, not an offshore office you never speak to.
✓
Your idea stays yours.
We sign an NDA before you tell us anything, and you own 100% of the code at launch.
Everything your app needs, under one roof
Mobile App Development Services in Los Angeles
You tell us what the app should do. We handle the rest: the design, the building, the testing, and getting it approved so people can download it. Pick whichever one sounds like you.
Native iOS Apps
Built specifically for Apple devices, so it feels fast and behaves the way iPhone users expect.
Native Android Apps
Built for Android and tested on the cheap and expensive phones your customers actually carry.
Cross-Platform Apps
We build it once and it runs on both, which means one budget and one launch instead of two.
Hybrid Apps
A simpler build for simpler needs. Costs less and gets you live sooner when you do not need the full thing.
Wearable Apps
Puts the one thing your users check most on their wrist, so they never have to pull out a phone.
Tablet Apps
Designed for the bigger screen, so staff and customers are not pinching to zoom on an iPad.
TV Apps
Your content on Apple TV, Android TV, Fire TV, and Roku, easy to use with just a remote.
A free call, no pressure to hire us
Not Sure Which Mobile App Development Services You Actually Need?
Tell us the problem. We will tell you what to build first, in plain English.
Apps Our Mobile App Development Agency Built for Businesses Like Yours.
EdTech · AI Speaking Practice
Teacher AI
AI conversation partners cloned from real, familiar teachers.
Teacher AI gives learners unlimited, judgment-free speaking practice with AI teachers modeled on real instructors, now used by 10,000+ students across 30+ languages.
10,000+
active students
500,000+
conversations completed
30+
languages supported
4.3★
App Store rating
EdTech · AI Voice Coaching
Senthora AI
Real conversation practice in 6–8 languages, day or night.
Senthora is a voice-first AI language tutor built on LiveKit’s real-time pipeline, responding in under 2 seconds so practice feels like a real conversation.
Sub-2s
voice response time
6–8
languages supported
LiveKit
real-time voice infra
React Native
cross-platform app
Health & Wellness · Wearable Integration
PostureGuard
One family app for screen time and posture, not two.
PostureGuard unifies parent and child roles in a single iOS app: AirPods motion detection tracks posture in real time, escalating from a gentle nudge to an automatic app block.
3-Stage
warning escalation
AirPods
motion detection
Unified
parent + child app
Real-time
family sync
Fitness · AI Voice Coaching
Training Mate
A hands-free AI personal trainer, not another workout app.
Training Mate coaches every set out loud with Google Gemini 2.5 Flash Native Audio, adjusting weight and reps in real time so users can keep their phone locked.
Screen-Off
hands-free operation
Gemini 2.5
voice AI engine
iOS & Android
cross-platform
Live
set-by-set coaching
Beauty & Grooming · Booking & Payments
WATTBA
A booking platform rebuilt on real usage data, not guesswork.
Wattba pairs a customer app with a Partner Portal, instrumented end to end with Firebase Analytics and rebuilt around 15-minute slot booking so barbershops can actually see and fill their day.
15-min
slot granularity
Firebase
analytics instrumented
2 Apps
shared backend
PDF/CSV
booking export
Healthcare · AI Voice Coaching
Decima
An AI health coach with a real personality, built on real science.
Decima pairs custom AI coaching personas with Apple HealthKit data and a proprietary health knowledge base, on HIPAA- and GDPR-compliant architecture.
6B+
guidance combinations
HIPAA & GDPR
compliant
iOS
React Native platform
AES-256
data encryption
Find yourself on this list
Which Mobile App Development Solutions Sound Like You?
Funded startups
Ship a production-grade app before your next raise or deadline, not a prototype.
Who You’re Actually Working With at Our Mobile App Development Agency.
Inc 5000 Clients
We’ve built apps for companies that made the Inc 5000 list.
PhD-Level
Senior engineers, not junior hires
HIPAA & GDPR
Compliant architecture, when it matters
94%
Client retention
Fixed-Price
A firm quote before work starts
Find your app
Which Custom Mobile App Development Path Fits Your Business?
Every business is different, but the path to a great app usually starts in one of these places. Pick the one closest to yours.
What you’re building
E-commerce apps
You’re running a store today. This turns browsers into buyers right from their phone, with checkout that never breaks, personalized to what each shopper actually wants.
Most online shoppers abandon their cart before finishing checkout.
A slow checkout is one of the fastest ways to lose a sale you already won.
Structure
How the app is put together, piece by piece
Basics you need
Product catalog & cart
Makes it stand out
Personalized product feed
How you get paid
Stripe, Apple Pay & Google Pay checkout
Makes it smarter
AI product recommendations
What you’re building
On-demand & booking
You’re juggling calls and no-shows. This puts your calendar in your customers’ pocket, so bookings fill themselves and your team stops chasing reminders by hand.
A single no-show can cost more than the appointment was worth.
Customers book faster the moment they can see real availability.
Structure
How the app is put together, piece by piece
Basics you need
Live availability calendar
Makes it stand out
Multi-location scheduling
How you get paid
In-app card payments, cash-on-arrival option
Makes it smarter
Smart slot suggestions
What you’re building
Social networking
You’ve already built an audience. This gives them a place to gather that you own, not a platform that can change the rules overnight, or bury your reach in someone else’s feed.
A community built on a platform you don’t own can disappear overnight.
Owned audiences convert better than rented ones.
Structure
How the app is put together, piece by piece
Basics you need
Profiles & feeds
Makes it stand out
Stories & live features
How you get paid
In-app purchases, creator tipping
Makes it smarter
Personalized feed ranking
What you’re building
Fintech apps
Your customers trust you with their money. This keeps that trust with bank-grade security, built to move as fast as they expect, without slowing down for it.
One slow transaction is enough to send a user to a competitor app.
Trust in a finance app is earned once and lost in a single bad experience.
Structure
How the app is put together, piece by piece
Basics you need
Account dashboard
Makes it stand out
Budgeting & spend insights
How you get paid
Bank transfers, card issuing, ACH/wire integration
Makes it smarter
Fraud detection
What you’re building
Healthcare apps
Your patients need care between visits. This keeps them connected to you securely, without adding to your team’s workload or a single extra phone line.
Missed follow-ups are one of the biggest drivers of preventable readmissions.
Patients who stay connected between visits are far less likely to disengage.
Structure
How the app is put together, piece by piece
Basics you need
Patient records
Makes it stand out
Telehealth video visits
How you get paid
Copay & insurance billing integration
Makes it smarter
Symptom triage assistant
What you’re building
EdTech apps
You know the material. This keeps students showing up for it, with lessons that adapt to how they’re actually doing, instead of losing them on day two.
Most learners who don’t come back by day two never come back at all.
Adaptive pacing keeps students in the course instead of stuck on one lesson.
Structure
How the app is put together, piece by piece
Basics you need
Course library
Makes it stand out
Live classes
How you get paid
Course purchases, subscription plans
Makes it smarter
Adaptive learning paths
What you’re building
AR/VR apps
Your customers can’t picture it until they see it. This lets them try before they buy, from wherever they are, so fewer returns and more confident purchases.
Shoppers who preview a product before buying return it far less often.
Seeing it first turns hesitation into a purchase.
Structure
How the app is put together, piece by piece
Basics you need
3D product viewer
Makes it stand out
Multi-object placement
How you get paid
In-app purchase of AR-previewed products
Makes it smarter
AI object recognition
What you’re building
AI/ML-powered apps
You already have the data. This turns it into recommendations your customers actually act on, without hiring a data team to make sense of it.
Generic recommendations get ignored. Personalized ones get clicked.
The data you already have is worth nothing until something acts on it.
Structure
How the app is put together, piece by piece
Basics you need
Conversational AI interface
Makes it stand out
Voice & multimodal input
How you get paid
Usage-based or subscription billing
Makes it smarter
Real-time inference engine
What you’re building
IoT-connected apps
Your hardware already collects the data. This puts it on a screen your team can act on from anywhere, before a small issue becomes an expensive one.
One undetected equipment failure can cost more than a year of monitoring.
Catching a problem early is always cheaper than fixing it after it fails.
Structure
How the app is put together, piece by piece
Basics you need
Live device telemetry
Makes it stand out
Fleet management
How you get paid
Not typically required
Makes it smarter
Predictive maintenance alerts
What you’re building
Location-based apps
Your team is out in the field all day. This keeps you connected to where they are and what they’re doing, without a single check-in call.
Teams without live location visibility lose hours a week to “where are you” calls.
Real-time visibility turns guesswork into a schedule you can trust.
Structure
How the app is put together, piece by piece
Basics you need
Live GPS tracking
Makes it stand out
Route optimization
How you get paid
In-app service payments, where applicable
Makes it smarter
ETA prediction
What you’re building
Gaming apps
You’ve got the concept. This is what keeps players opening it again tomorrow, not just today, turning a fun idea into a habit.
Most mobile game players never open the app again after day one.
Retention, not downloads, is what actually makes a game worth building.
Structure
How the app is put together, piece by piece
Basics you need
Core game loop
Makes it stand out
Multiplayer & matchmaking
How you get paid
In-app purchases, battle pass, ads
Makes it smarter
Dynamic difficulty adjustment
What you’re building
Custom mobile apps
Your workflow doesn’t fit a template. This is built around exactly how your team already works, so people adopt it instead of working around it.
A workflow tool nobody adopts is worse than the spreadsheet it replaced.
Software that fits how your team already works gets used. Software that doesn’t, gets ignored.
Structure
How the app is put together, piece by piece
Basics you need
Scoped to your workflow
Makes it stand out
Third-party integrations
How you get paid
Whatever your business model needs
Makes it smarter
Tailored to your use case
Why LA businesses choose us
Six Reasons LA Businesses Choose Our Mobile App Development Company.
01
Built by Angelenos, for LA businesses
Every engineer on your build works out of our Downtown LA office, no offshore hand-off, no relay, and years of experience shipping apps for LA businesses across every major industry.
02
Watch your app take shape
Your app takes shape sprint by sprint, instead of months of waiting to find out if it works.
03
One price. No surprises
The number you agree to is the number you pay. No surprise invoices, no fine print.
04
Senior engineers, every time
A PhD-level expert team on every build, not junior developers learning on your project.
05
Cleared to handle sensitive data
We’ve built HIPAA- and GDPR-compliant apps for healthcare and fintech clients, security reviewed from day one, not bolted on after launch.
06
Backed by a real guarantee
Free bug fixes for 30 days after launch, written into the guarantee you sign.
How we work with you
How Our Custom Mobile App Development Process Works
scope-2026.pdf
Project Scope — Mobile App
Prepared after your discovery call
✓Platform: iOS + Android
✓Core features: booking, payments, push
✓Timeline: 12 weeks, 6 sprints
Fixed price$48,000
Sign & start sprint 1
Discovery & scope.
We define your platform, iOS, Android, or both, your core features, and the MVP scope before design starts.
What we build with
The Technology Behind Our Mobile App Development Services.
Swift
SwiftUI
UIKit
Xcode
Combine
Core Data
Core ML
TestFlight
Industries we serve
Custom Mobile App Development for Your Industry.
Every industry needs its app to work a little differently. Here’s what we build depending on yours.
Media, Entertainment & Publishing
Streaming, content platforms and subscription apps
Healthcare & Medical
HIPAA-compliant patient and telehealth apps
Fitness, Wellness & Beauty
Booking, coaching and membership apps
Aerospace & Defense
Secure, mission-critical field & ops software
Fashion & Apparel
Try-on, catalog and D2C commerce apps
Hospitality & Tourism
Booking, guest experience and loyalty apps
Logistics & Supply Chain
Fleet tracking and delivery management apps
Retail & E-commerce
Storefronts, checkout and loyalty apps
Restaurants & Food Service
Ordering, delivery and rewards apps
Real Estate & Property
Listings, tours and property management apps
Education & E-Learning
Courses, tutoring and gamified learning apps
Professional Services
Client portals and scheduling apps
Finance & Banking
Secure banking, payments and fintech apps
Sports & Recreation
Leagues, bookings and fan engagement apps
Los Angeles runs on entertainment, healthcare, and aerospace, all moving operations onto mobile.
We work out of Downtown LA and build for companies across the metro. Wherever the meeting happens, the engineer who shows up actually writes your code.
50,000+
Users reached by one LA-built app alone.
What clients say
Real Words About Our Mobile App Development Services.
"Their approach to managing the project was instrumental in achieving our objectives on schedule and within budget."
Executive
Glamly · mobile app, iOS/Android
How we can work together
Three Mobile App Development Solutions to Work With Us.
Best for a new app idea
Project-based builds
Scoped around what you actually need, not a generic package.
✓Fixed price, agreed upfront
✓Full design-to-launch team
✓Weekly sprints, working builds
Best for scaling your team
Staff augmentation
Hire LA-based mobile developers straight into your team.
✓No full agency engagement needed
✓Slots into your existing workflow
✓Scale up or down month to month
Best for an app already live
Run & optimize retainer
Already on the App Store or Google Play? Keep it running and growing.
✓Bug fixes and OS updates
✓New feature releases
✓Monthly usage & crash reporting
Us vs. the alternative
Why Founders Choose Custom-Built Over Off-the-Shelf.
What matters
Code ownership
Pricing structure
Post-launch support
Store approval
Performance & offline
Scaling past launch
Brand experience
Local delivery
Transparency
Team seniority
Track record
Compliance
This build
Los Angeles App Devs
✓You own 100% of the source code
✓Fixed price, agreed before work starts
✓30 days of free bug fixes after launch
✓We submit and get you live, included
✓Native code, runs offline, no lag under load
✓Architecture built to handle real user growth
✓Every screen designed around your product
✓Every engineer works from our LA office
✓You see a working build every week
✓Senior engineers on every build, no juniors learning on your dime
✓Verified client reviews you can read yourself
✓HIPAA- and GDPR-ready architecture from day one
Elsewhere
Agency, freelancer, no-code
Some retain rights or lock you into their platform
Hourly billing with no ceiling on the final bill
Support usually ends the day you get the handoff
App Store/Play Store submission is often left to you
No-code tools hit real performance limits fast
Often needs a costly rebuild once you get traction
Generic templates that look like everyone else’s app
Work is often relayed through an offshore team
One big reveal at the end, no visibility until then
Team seniority varies, you rarely get to pick
Often just curated quotes with no way to verify them
Compliance is often bolted on after something goes wrong
Before we build anything
How Our Mobile App Development Company Protects Your Idea.
Before we write a single line of code, you get a signed NDA, a locked-down codebase only your team can touch, and a build that meets healthcare-grade security standards.
SIGNED
NDA before anything
Before you describe a single feature, the paperwork protecting it is signed and filed.
RESTRICTED
Access-controlled development
Your codebase lives in access-controlled repositories only your engineers can touch.
HIPAA-READY
HIPAA-compliant builds
Decima, a healthcare voice app, runs on HIPAA-compliant architecture, the standard your project gets.
Three guarantees, written into every contract we sign.
100% code ownershipFixed-price guarantee30-day support warranty
Security & compliance
Standards We Build to Every Time.
Whether your app handles health records, payments, or a kids’ classroom, we build to the standard that data requires.
HIPAA
GDPR
CCPA
SOC 2 Type 2
PCI-DSS
COPPA
FERPA
WCAG 2.1
App Store Guidelines
Google Play Policy
FAQ
Still Have Questions? Ask Away.
App development cost in Los Angeles varies by platform, complexity, and screen count, so there’s no single number that fits every app. Use the cost estimator above for a real ballpark range in seconds, or talk to our team for an exact number.
Let’s build it
Tell Us What You’re Building.
Whether it’s a new idea or an app that needs fixing, a real team member replies within one business day.
HIPAA
GDPR
CCPA
SOC 2 Type 2
PCI-DSS
COPPA
FERPA
WCAG 2.1
App Store Guidelines
Google Play Policy