App contender

p99.studio — we do the hard parts

Mobile app development & engineering studio

p99.studio Agencies, Studios & Services Listed Aug 20, 2026
Global rank#258
Category rank#10
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The short version

What is p99.studio — we do the hard parts?

p99.studio is an engineering studio based in San Francisco, New York, and Berlin. Founded by an ex-Unit 8200 engineer, the studio provides mobile app development, AI/LLM system engineering, backend and distributed systems development, and low-level embedded and RF work. The studio utilizes coding agents for tasks such as scaffolding and testing, with senior engineer oversight on all merged code.

What makes it different

The studio combines the use of coding agents for development tasks with senior engineer review for every merged line, aiming to deliver projects in weeks.

Product capabilities

Key features

  • Native iOS and macOS development
  • AI/LLM system development
  • Backend and distributed systems engineering
  • Embedded and RF systems development
  • Codebase auditing and takeover
  • Emergency production support

Ways to use it

Use cases

  • Mobile app development
  • Backend engineering
  • AI/LLM system implementation
  • Embedded systems development
  • Legacy codebase maintenance and takeover
  • Emergency production support

Who it is built for

Best for

Organizations needing mobile app developmentCompanies requiring backend or distributed systems engineeringTeams needing AI/LLM system integrationOrganizations with legacy or half-finished codebases

At a glance

Strengths & considerations

Strengths

  • Senior engineer oversight on all code
  • No account managers or juniors
  • Fixed pricing for well-defined projects
  • Client retains ownership of code and IP from day one
  • Same-day response for urgent issues

Things to consider

  • Projects are scoped on a call to determine timelines
  • Requires client to have or create App Store/cloud accounts
  • Not a traditional hourly-billing agency

Plan information

Pricing

Modelpaid
Starting priceNot specified

Pricing is determined per project (fixed price) or per month (monthly rate), agreed upon upfront.

Free access

None

Prices and plans can change. Confirm current terms on the official pricing page before purchasing.

Compatibility & availability

Technical details

Integrations

PostHog

Platforms & channels

iOSmacOSEmbedded systems

Languages

SwiftSwiftUIC++

Quick answers

p99.studio — we do the hard parts FAQ

How fast is 'in weeks'?

A first working build is usually days, and a shippable version lands in weeks rather than quarters, depending on the scope.

Do you use AI to write code?

Yes, the studio uses coding agents for scaffolding, tests, refactors, and store metadata, while senior engineers direct the work and review every merged line.

Can you take over an existing codebase?

Yes, the studio handles inherited apps, half-finished projects, and systems with missing original authors.

Who owns the code?

The client owns the code, IP, and accounts from day one.

Explore nearby ideas

Tags

Engineering StudioMobile DevelopmentAI DevelopmentBackend EngineeringEmbedded Systems

Research trail

Official sources

These pages were used for the factual profile above. They may change after the research date.

  1. Official website

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