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ProductivityPlan, track and cost every renovation project — from a kitchen remodel to the whole house.
12F ApS — Apps on the App Store
Small, focused iOS apps — built to do one thing properly and keep your data on your device. Every app below is live on the App Store.

Plan, track and cost every renovation project — from a kitchen remodel to the whole house.

An all-in-one trip planner: itineraries, packing lists and countdowns to every adventure.

Weddings, birthdays and parties — guests, budget and to-dos in one shared plan.

Your dog's health, costs, schedule and memories — private, on your device.

The logbook for people who love their bikes — maintenance, parts and true cost of ownership.

Snap your notes and get revision-ready flashcards in seconds — entirely on-device.

See what your credit card bill will be next month — installment tracking built for Brazil.

Every warranty and receipt in one place, with alerts before they expire. One-time purchase.

Photograph the gym whiteboard and your CrossFit workout is logged. No typing.

Log workouts and watch your personal records climb — for CrossFit, Hyrox and the gym.

Find good restaurants and cafés near you, instantly — no account, built on open map data.

First words through play — sounds, animations and narration for 1–2 year olds.

Classic marble solitaire, beautifully crafted in wood. Simple to learn, hard to master.
12F ApS is an independent Danish digital studio (CVR 45362957) that designs and ships focused iOS apps. It currently has 13 apps live on the App Store, covering renovation planning, travel, pet care, fitness tracking, finance and education.
12F ApS is run by Robert Jensen, an independent developer based in Denmark. Every app is designed, built and supported in-house, and you can reach him directly at robert@12f.dk.
Yes. 12F apps are built to keep your data on your device or in your private iCloud — there are no 12F servers collecting your records. Each app publishes its own privacy policy, linked from its card on this page.
Email robert@12f.dk with the app name in the subject, or use the support link on the app's card above. Support and privacy documentation for every app is hosted on this site.