Mobile App Development in United States
iOS and Android from one codebase. App Store ready in 15 days.
Trusted by founders at
How Mobile App Development Works
Scope it
Share your app concept. We define features, screens, and technical architecture in 24 hours.
Build it
React Native development over 15 days. TestFlight and internal builds shared throughout.
Ship it
Submitted to both stores. Source code, backend access, and documentation handed off.
What's Included
React Native app
One codebase that runs on both iOS and Android. No maintaining two separate apps.
Push notifications
Real-time push notifications built in from day one. Keep users engaged after install.
Both app stores
We handle App Store and Google Play submission. Your app goes live on both platforms.
Backend & API
Full backend with API, database, and admin panel. Not just a frontend shell.
Mobile App Development in United States: How We Compare
North American agencies typically charge $150–300/hr. A standard MVP takes 3–6 months and costs $50K–150K. Founders spend months in discovery phases before a single line of code is written. UniqueSide charges a fixed price from $8,000 and ships in 15 days.
US and Canadian agencies bill hourly. The longer they take, the more they earn. We charge fixed price, and we’re incentivized to ship fast.
| Typical North America Agency | UniqueSide | |
|---|---|---|
| Price | $50,000–150,000 | From $8,000 |
| Timeline | 3–6 months | 15 days |
| Billing | Hourly ($150–300/hr) | Fixed price |
| Communication | Account manager | Direct developer access |
| Code ownership | Often restricted | 100% yours |
Products We've Shipped
Every product below was built from scratch by UniqueSide. Designed, developed, and shipped.
ValidateMySaaS
Built the entire SaaS platform. AI validation engine, user dashboard, and landing page. Live at validatemysaas.com
ValidateMySaaS.comVaga.ai
Built the full translation and transcription platform. File processing pipeline, dashboard, and API. Live at vaga.ai
Vaga.aiAskDocs
Built the complete document AI platform. PDF ingestion, vector search, and conversational interface for enterprise workflows.
Scarlett Panda
Built the iOS and Android app. AI story generation, audio playback, and kids UI. Live at scarlettpanda.com
ScarlettPanda.comWhy United States Founders Choose UniqueSide
15 days, not 15 weeks
Most agencies take 3–6 months. We ship in 15 days. Same quality, a fraction of the time.
Fixed price, no surprises
You know the price before we start. No hourly billing, no scope creep invoices.
You talk to the developer
No account managers, no middlemen. You work directly with the developers building your product.
You own everything
Full source code handoff. Your code, your IP, your infrastructure. We don’t lock you in.
US-friendly contracts
We’ve worked with founders in New York, California, and Virginia. Two came from FAANG. Wire transfers and ACH both accepted.
Local buying context
United States founders usually need speed, ownership, and US-friendly delivery.
- Fixed USD pricing from $8,000 before development starts.
- Overlap with US business hours for planning, demos, and launch reviews.
- Source code, deployment accounts, and IP handed over to your company.
Built by a founder who's been in your shoes.

Manoj Ahirwar
Founder · Singapore
Serial founder with 10+ years engineering experience. Founded 5+ startups, shipped 40+ products, crossed $250K in revenue. We build MVPs for founders the same way we build our own products. Fast, focused, and without the agency bloat.
Our Team
A team of experienced engineers and product specialists who've shipped products across SaaS, mobile, and AI. Every engineer on our team has shipped production products with real users. No juniors, no contractors learning on your project.
Mobile App Development in United States: FAQ
How much does Mobile App Development cost in United States?
Mobile App Development in United States typically costs USD $8,000 to $50,000+. Fixed price, no hourly billing, no scope creep. You know the exact cost before we start.
How long does Mobile App Development take in United States?
Most mobile apps take 4–6 months to reach the App Store. UniqueSide ships iOS and Android in 15 days. One React Native codebase, both stores, production-ready.
Do you work with founders in United States?
Yes. We serve founders across United States including New York, San Francisco, Austin, Los Angeles, Seattle. Singapore-incorporated, clean contracts, invoicing, and payments for international clients. Tell us what you’re building. We respond fast.
A note on our 15-day timeline
Our 15-day delivery applies to a focused MVP or prototype with core features. For example, a SaaS dashboard with auth, billing, and a core workflow can ship in 15 days. A full-scale product with complex integrations, multi-role permissions, and custom reporting will take longer. Most real-world applications fall somewhere in between. We scope every project individually and give you an honest timeline before we start. The goal is always the same: ship fast without cutting corners.
Other services in United States
Mobile App Development in other locations
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