FNN Dev · Independent Software Studio

Practical software for people who operate across time zones, schedules, and complex workflows.

An independent studio building focused, reliable tools — with real products shipping in the App Store today.

View Products → Contact
2
Products shipping
iOS · Web
Platforms
Independent
Studio
Products

Real products, already shipping.

A focused set of tools — actively developed, supported, and available to users today.
2 live
In the App Store
iOS · Web
Platforms
Actively
Maintained
TripDataHub app icon TripDataHub Flagship Online

A schedule management and sharing platform for professional flight crews — import, view, and share trips with a workflow built for the way crews actually operate.

  • Import & view your trips
  • Share schedules with crew
  • Built for flight-crew workflows
  • Fast, reliable, and focused
iOSWebScheduling
Website ↗ Download on theApp Store
TripDataHub crew schedule timeline
TimeConv app icon TimeConv In Review

A fast UTC and time-zone conversion utility for pilots, travelers, and global teams — built around the time math that operational work depends on.

  • UTC ↔ local conversion
  • Compare multiple time zones
  • Designed for global operations
  • Fast and distraction-free
iOSUtilities
Privacy Policy → App Store · soon
TimeConv UTC and time zone converter
Investment Journal Planning

A personal investment research and performance-tracking platform. In early planning.

More products in development
The studio is built to add new apps as a single card — without redesigning the site.
Roadmap
Studio

An independent studio, built around real operations.

Software shaped by how the work actually gets done — and maintained for the long term.

FNN Dev builds practical tools inspired by real-world operational environments — software for aviation, scheduling, time, and productivity workflows.

The focus is narrow on purpose: a few well-made products, designed carefully and supported over years. Real operational experience informs the product design, and independent ownership keeps the roadmap steady — so the apps people rely on keep working, and keep improving.

Operational grounding
Products are built from firsthand experience of how the work actually gets done.
Considered design
Focused, uncluttered tools that do a few things precisely and well.
Maintained for the long term
Independent and sustainable — software that keeps getting better over years.
Room to grow
A studio structure that scales from one developer today to a small team tomorrow.
Contact

Get in touch.

Questions about a product, partnership, or support — we read everything.

Reach the studio

The fastest way to reach us is by email. We don't publish personal addresses — these route to the studio inbox.

Aliases forward to a private inbox. Submissions are used only to reply — see our Privacy Policy.

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Satoshi Funeno
Founded by Satoshi Funeno — Airline Pilot and Independent Software Developer. FNN Dev is built from real-world operational experience.
Founder