De Appmakers - Trademark of TGIV Holding BV

Clean mobile apps. Built with care.

TGIV Holding BV builds focused digital products under the De Appmakers trademark: practical, polished apps for personal insight, photography and logic puzzles.

Nadira app icon

Nadira

Personal astrology, natal charts and daily guidance.

BlindRoll app icon

BlindRoll

Shoot first. Wait for the reveal. Keep the analog feeling.

ThinkGrid app icon

ThinkGrid

A calm collection of logic puzzles for focused play.

Our apps

Apps with purpose.

From personal guidance to slow photography and daily logic puzzles, our portfolio is built around clear experiences that feel polished from the first tap.

ThinkGrid icon

ThinkGrid

ThinkGrid is a calm collection of logic puzzles with daily challenges, progression, themes and games including Suguru, Star Battle, Masyu, Kakuro and Fillomino.

  • Logic puzzles
  • Daily puzzles
  • Progression
Company

The company behind the apps.

TGIV Holding BV develops and publishes mobile experiences with a practical product mindset: clear positioning, considered design and reliable execution.

De Appmakers - Trademark of TGIV Holding BV

De Appmakers is the public-facing app label of TGIV Holding BV. The portfolio combines consumer apps that are easy to understand, visually refined and built for long-term usefulness.

Company registration

CoC number: 87876418

Registered in the Netherlands. Contact details are listed below for support, business inquiries and official correspondence.

Focused

Every app is built around a simple core behavior that users can understand immediately.

Polished

Interfaces are clean, purposeful and designed to feel professional on every screen size.

Useful

Products are made to earn repeat use through clarity, calm interactions and practical value.

Contact

Contact details.

For app support, business questions or official correspondence, use the details below.

Address

Boeier 166
2991KH Barendrecht
Nederland

Telephone +31 6 16821070