Perplatform OyPerplatform Oy · Independent software
Designed and built in Finland by Toni Leivo. Explore my apps for training, nutrition, and disc golf.
View projectsMy projects
Strength training application
Plan your workouts and keep every set in one place. Bodyper helps you track weights, repetitions, and rest periods as you train.
Launching soon on iOS & Android
Nutrition application
Get a clearer picture of your everyday nutrition. Log food, track weight and goals, and explore general wellness reports and insights in one app, with built-in privacy controls.
Available on iOS & Android
Disc golf application
Find your next course and keep score as you play. Scoreper brings course information and on-course scorecards together, with a V2 rebuild focused on course discovery and offline data.
V2 in active development
About me
I’m the founder and developer behind Perplatform Oy. I design, build, and maintain my own mobile apps, bringing the product, interface, and supporting systems together.
I have an Information and Communication Technology engineering background. My focus is on useful products with clear interfaces and dependable foundations.
FounderPerplatform OyFinlandIndependentMy skills
I design, build, and maintain Bodyper, Eatper, and Scoreper — from the first sketch to the systems behind the screen.
Explore the details
Flutter apps for iOS and Android with offline-first data, reliable sync, and native Swift and Kotlin wherever the platform matters.
Bodyper Offline workout logging with rest timers, supersets, personal records, and exercise videos that play without a connection.
Eatper Offline food diary with sync, barcode scanning, on-device text recognition, and home-screen widgets.
Scoreper V2: scores that survive going offline, GPS round tracking, and scoring straight from the lock screen.
Strict TypeScript APIs on Vercel, designed contract-first with OpenAPI so the app, the web, and the server stay in sync.
Bodyper Fastify API
Eatper Next.js API
Scoreper Hono API (V2)
Postgres schemas with enforced row-level security, least-privilege roles, and forward-only migrations, tested at the database level.
Bodyper 84 migrations
Eatper 72 migrations
Scoreper 146 migrations
Processing millions of food products, analyzing Bodyper’s entire exercise-video library in full, and moving live production data between systems without losing a record.
Bodyper 8,000+ exercises & full exercise-video library analysis
Eatper 2.8M+ food products
Scoreper 11,900+ courses, live V1 → V2 move
React and TypeScript web apps: admin consoles with two-factor sign-in, a custom course-map editor, and fast public sites like this one.
Bodyper Next.js site & admin
Eatper React site & admin
Scoreper Course map editor & admin
Deciding what to build and why: scope, free and paid tiers, user flows and interfaces, and bilingual English–Finnish product copy.
Bodyper Free core, Premium progress
Eatper Households & meal planning
Scoreper 11 game modes (V2)
In-app subscriptions verified on the server with Apple and Google, and the full release path from TestFlight to the stores.
Bodyper Premium, in store testing
Eatper On App Store & Google Play
Scoreper V1 on both stores
Thousands of automated tests behind one-command verify gates, and privacy built in: data export, account deletion, and scrubbed error monitoring.
Bodyper 12,000+ mobile tests
Eatper 3,700+ tests
Scoreper 3,800+ tests (V2)
Contact
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