1. Rootstrap
Rootstrap is a nearshore software development agency headquartered in West Hollywood with a team of 200+ across LA, New York, and South America. Founded in 2011, they build native iOS, Android, hybrid, and React Native apps alongside web platforms and AI-driven products. Their client roster includes MasterClass, The Farmer's Dog, Emeritus, Brightwheel, and Madison Reed, with 10+ billion-dollar companies in their portfolio. They offer product strategy, engineering sprints, and staff augmentation, making them a strong fit for growth-stage companies that need to move fast without sacrificing quality.
2. ISBX
ISBX is one of Silicon Beach's original mobile app agencies, founded in Santa Monica in 2009. They've built apps for Red Bull, L'Oreal, Sony Pictures, Nike (Air Jordan), Beats by Dre, and Warner Brothers. Their team of 70+ developers and designers handles mobile development, web apps, UI/UX, and AI consulting across healthcare, entertainment, and ecommerce. They've been ranked the #1 app developer in Los Angeles on Clutch. A go-to for brands in the entertainment and consumer space looking for a local team with major studio experience.
3. Goji Labs
Goji Labs is a product development studio based in Downtown LA that has launched over 400 digital products since 2014. Their 70-person team builds mobile apps, web platforms, and custom software for startups and mid-market companies. Clients include PredictionStrike, k-ID, KCRW, and the World Wildlife Fund, and their portfolio companies have collectively raised over $1 billion in funding. Their strength is taking products from concept to launch, making them a strong partner for founders and product teams who need both strategy and execution under one roof.
4. AE Studio
AE Studio is a Venice-based software development and data science company with 150+ employees, including 21 PhDs on staff. Founded in 2016, they work across AI, blockchain, custom software, and mobile app development for clients like Walmart, Samsung, Berkshire Hathaway, Dapper Labs, and Ritual. Their positioning leans more toward AI and advanced technology than traditional app development, so they're best suited for projects where mobile intersects with data science, machine learning, or emerging tech rather than straightforward app builds.
5. ClearSummit
ClearSummit is a product engineering firm headquartered in Playa Vista (LA's Silicon Beach) that specializes in React Native, iOS (Swift), and Android (Kotlin) development. Founded in 2014, they focus on high-quality mobile and web products for clients like Belkin, Mitsubishi, Sony, and CarParts.com. They emphasize test-driven development and high code coverage, staffing exclusively with senior engineers (10+ years experience). Their budget range starts around $250K, positioning them firmly in the mid-market to enterprise tier. A strong choice if code quality and long-term maintainability are priorities.
6. Wonderment Apps
Wonderment Apps is a Los Angeles-based agency that handles mobile app development, web development, UX design, and product strategy. Founded in 2015, their team of roughly 50 spans three continents. Their client list is unusually strong for a mid-size agency: NASA, Apple, The New York Times, Walgreens, Warner Media, iHerb, and Stamps.com. Clutch lists their minimum project size at $50,000 with hourly rates of $150-$199. A solid pick for brands that want an agency with enterprise-caliber experience at a mid-market price point.
7. SPINX Digital
SPINX Digital is a full-service digital agency in Los Angeles that has been in operation since 2005, making them one of the longer-running shops on this list. Their team of roughly 40 handles mobile app development, web design, and digital marketing for clients including Amazon, Beats, CBS, the County of Los Angeles, and several major law firms (Quinn Emanuel, Paul Hastings). Mobile is one of their services rather than their sole focus, so they're best for companies that want a single agency handling their full digital presence, app included.
8. AppMakers USA
AppMakers USA (also known as AppMakersLA) is a mobile app development agency based in Downtown Los Angeles. Their team includes developers from MIT, Stanford, and UCLA, and they've earned a 4.9/5 rating on Clutch with nearly 100 reviews, ranking them #1 in Los Angeles on the platform. They build iOS, Android, and web applications with services spanning the full development lifecycle. Minimum project size starts around $10,000, making them one of the more accessible options on this list for early-stage companies and smaller budgets.
9. Endertech
Endertech is one of the oldest digital agencies in LA, founded in 2000 and headquartered in Downtown Los Angeles. They offer custom software development, mobile app development, and web development, and are a certified Shopify Plus Partner. Their team of about 25 handles projects ranging from $10,000 to $250,000+. They're not a mobile-first shop, but their two decades of experience and Shopify Plus certification make them a strong choice for ecommerce brands that need both a storefront and a companion mobile app from the same team.
- Website: endertech.com
- Clutch: clutch.co/profile/endertech
- Founded: 2000
- Team size: ~25 employees
- Minimum project size: $10K
- Hourly rate: $100 - $149/hr
- Address: 1001 Wilshire Blvd #2036, Los Angeles, CA 90017
10. Bee Techy
Bee Techy is a custom software and mobile app development agency located in Hollywood. They build iOS and Android apps using Flutter and native frameworks, along with web applications, SaaS products, and Shopify stores. They also work with blockchain and AI. Their Hollywood address and 818 area code signal a locally rooted operation. They've received multiple industry awards and cater to both startups and established businesses. A good option for companies looking for a smaller, hands-on LA team at a more accessible price point than the larger agencies on this list.
- Website: beetechy.com
- Founded: Not confirmed
- Team size: Small / boutique
- Location: 1601 Vine Street, Hollywood, CA 90028
11. Sunrise Integration
Sunrise Integration is a Los Angeles-based agency that specializes in mobile app development and ecommerce solutions. They build iOS, iPad, and Android apps alongside custom web and ecommerce platforms. Their team of designers, programmers, and project managers works with brands looking to connect their mobile presence with their online store. A practical choice for ecommerce brands that need mobile apps integrated with their existing infrastructure rather than built from scratch as a standalone product.
Final Thoughts
There we have the best options if you're looking for a mobile app developer in sunny Los Angeles.
But do you really need a mobile app developer at all?
If you have a successful ecommerce store, with a mobile-friendly website, spending $100K+ on a custom app is likely overkill.
You don't need anything brand new in your mobile app. You just need the same user experience from your website, converted into a mobile app.
That's what MobiLoud does. MobiLoud lets you launch an app significantly faster, and more cost-effective, than any app development agency.
To your customers, it's the same. For you, it's a mobile app that doesn't cost six figures to launch, six figures per year to run, and take a year to launch.
Curious if this is the right way to launch your app? Get in touch and book a free consultation to talk it over with our app experts.
