Technical Founder

PIRKKA
RÄISÄNEN

Building software companies: an independent on-device AI portfolio and a co-founded generative music startup. Directing the complete lifecycle from technical architecture to market expansion.

Documenting how the apps are built, architected, and scaled across writings and notes.

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Build Log // Execution & Delivery

Latest Ships.

Media

Generative Music on iPhone with Songen

A short-form reel showing on-device generative music production with Songen, from loop generation to a finished idea ready for a DAW.

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Media

The Rolling Stones' Forgotten One-Take Hit: 'Start Me Up'

A single rock take cut at the end of a 1978 reggae session sat in the vault for three years until Chris Kimsey recovered it for Tattoo You, and Mick Jagger turned it into a stadium anthem.

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Media

The Rolling Stones' Accidental 7-Minute Jam on 'Can't You Hear Me Knocking'

At Olympic Studios in 1970, Mick Taylor, Bobby Keys, and Rocky Dijon improvised past the song ending while Andy Johns kept rolling tape, and the full seven-minute take made Sticky Fingers unedited.

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Media

Keep Building 01: Shipping My 5th App

Channel launch vlog covering a 14,000-step morning walk, a fifth on-device AI app built on Apple Foundation Models, and guitar tracking for a new song.

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Pillar 00 // Operating System

Think like a founder, execute like an architect. My philosophy is simple: eliminate unfocused development, nail the core MVP, and ship scalable products fast. The sections below outline my track record of taking complex ideas from concept to production.

01

The Input

Direct execution. Developing native applications, producing and releasing music, and building software products focused on quality and performance.

02

The Documentation

Captured workflow. Publishing technical notes, system architectures, and development insights alongside active production.

03

The Momentum

Systemic leverage. Linking execution directly with documentation creates a continuous, compounding feedback loop.

Implementation 01 // Native Software & On-Device AI

End-to-end development: from initial code to App Store delivery.

Independent

Architected and engineered from the ground up as a solo developer.

LocalMemo notes list showing AI-organized voice note titles and previews
Apple Foundation Models
Shipped: iOS

LocalMemo

More than just dictation. LocalMemo uses Apple's newest on-device technology to transcribe, structure, and let you chat directly with your personal notes, 100% offline, perfectly private, and subscription-free.

LocalPlan app showing natural language text ready to process into a calendar event
Apple Foundation Models
Shipped: iOS

LocalPlan

Stop wasting time on data entry. LocalPlan instantly transforms scattered texts and emails into perfectly scheduled Apple Calendar events, keeping your schedule entirely private on your device.

Kaari focus timer showing an active deep work session for iOS App Development
Apple Foundation Models
Shipped: iOS

Kaari

Master your focus and build unstoppable momentum. Kaari combines a precision focus timer with on-device AI analysis to uncover your peak productivity hours and track your deep work without exposing your data.

RollSearch app showing instant filename search finding Summer_Meadow.jpg in the camera roll
100% On-Device Processing
Shipped: iOS

RollSearch

Find the exact asset you need, instantly. RollSearch bypasses the endless photo grid by indexing your camera roll by raw system filename, giving you lightning-fast media retrieval and professional-grade file management.

SpeechBeat full-screen recording studio with teleprompter on iPhone
On-Device AI
iOS

SpeechBeat

Turn spoken captures into teleprompter beats and full-screen talking-head videos. Freemium on-device AI studio with 3 free saves and optional Pro lifetime unlock.

Co-Created

Flagship applications built as a startup co-founder. Bootstrapped and scaled to over 230,000+ downloads and profitable six-figure revenue through organic growth alongside targeted Instagram Ads and Apple Search Ads.

Songen on macOS showing the Pop Trap section grid with lead, chords, bass, and drum tracks
Songen on iPhone showing the generative Pop Trap interface with Generate and Play controls
CEO & Co-Founder
Shipped: Vibin Oy

Songen

With Vibin

As Co-Founder and CEO of Vibin Oy, I directed the complete product lifecycle of Songen, a bootstrapped on-device generative AI music engine scaled to 230,000+ downloads and profitable six-figure revenue via targeted Instagram Ads and Apple Search Ads. Generate full loops in your chosen style, then refine track by track in the piano roll.

Implementation 02 // Audio Production & Engineering

Complete audio production: from tracking to streaming platform delivery.

On-Device AIMade With Songen

Generative Music

Commercial-grade tracks generated 100% locally on an iPhone. This playlist serves as the live proof-of-concept for the zero-server audio engines I build.

Explore the apps that generated this audio →

Produced by Pirkka Räisänen

Full technical production: from recording to direct-to-platform delivery.

  • Millions of Commercial Streams
  • Hundreds of Audiobooks Engineered
Sync-Ready100% Pre-Cleared

Catalog

Original master releases and collaborative assets pre-cleared for sync licensing, commercial placement, and media production.

Implementation 03 // Content & Marketing

Complete post-production: from editing to final broadcast delivery.

Workflow

Generative Music on iPhone with Songen

A short-form reel showing on-device generative music production with Songen, from loop generation to a finished idea ready for a DAW.

Implementation 04 // Digital Assets & Resources

Downloadable tools, developer resources, and audio assets designed for creative and software projects.

Serum Soundbank€0+

CLOUDBREAK Suite

Elevate your sound design instantly. Download premium wavetable patches, custom noise tables, and advanced signal chains engineered specifically for high-end electronic production.

Download CLOUDBREAK

Secured by Gumroad

The Exhaust // Writings & Insights

Long-form articles and short-form notes on Apple Foundation Models, Swift architecture, and on-device AI product execution.

Featured Deep DiveOn-Device AIApple Intelligence

How Apple Squeezes a 20-Billion Parameter AI Model Onto an iPhone

Apple's AFM 3 Core Advanced uses a sparse architecture to run 20-billion parameters on device. Only 1 to 4 billion parameters activate per prompt within mobile thermal limits.

Read Architecture Guide

Recent Publications

The Operating System

The Builder Blueprint

A practical framework for building native iOS applications, documenting development workflows, and managing independent software projects.

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Technical notes on on-device AI, iOS software architecture, and development workflows sent directly to your inbox.

Pirkka Räisänen

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