Flutter vs React Native: 5 reasons business leaders pick Flutter for app development
Why Flutter is chosen for consistent iOS/Android delivery with lower cost and faster timelines.
Turn paper and Excel workflows into intuitive apps
iOS and Android in one build. Digitize reporting and inventory for construction, logistics, and manufacturing without costly overhead.
Design and development
Finite Field builds B2B apps and SaaS products with both strong engineering and design.
We help when you need one codebase for iOS/Android, a maintainable admin console, and UI that decision-makers trust.
- iOS/Android app development
- App design
- Web admin console design
- Server / database design
4 reasons teams choose us for ops efficiency
We build field-friendly apps that need no manuals, using Flutter and strong UX to keep teams moving.
One codebase for iOS/Android, cutting duplicate build and maintenance costs.
Manual-free UI/UX so non-technical staff adopt fast and training time drops.
Multilingual support so international staff can work accurately with fewer errors.
Discovery to PM, backend, and admin consoles with access control and audit trails handled by one team.
Case studies
[EdTech] Multilingual learning platform
30+ language support with offline study, advanced search, and role-based access so training content stays organized.
Plan, design, build, and operate—delivered end-to-end.
[C2C] Farm-to-consumer marketplace
Link producers and buyers with chat, notifications, and purchases from a single app, reducing the need for expensive storefront systems.
Optimized for smartphones to onboard sellers quickly while handling inventory and orders in the admin console.
[Ops] EC and inventory automation
Link-first EC so orders from SNS/email flow into a unified console; products, orders, and shipping notices are managed on smartphone.
An easy-to-use admin console centralizes inventory and invoicing so teams launch online quickly with roles and audit trails in place.
Reference projects and budgets
We do not quote per screen. Estimates include discovery, PM, backend, and infrastructure.
Official store app
3+ monthsFrom JPY 4,000,000
iOS/Android/admin built together with membership, push notifications, bookings, and payments on a shared design system.
Internal ops / order system
2+ monthsFrom JPY 2,000,000
Inventory, ordering, and approvals across web + app with roles and audit logs to improve efficiency.
Multilingual EC / member catalog
2.5+ monthsFrom JPY 2,800,000
Japanese/English UI, localization operations, and cross-border payments for overseas users.
These are guideposts. We share a free rough estimate within 24 hours of a short call.
Blog
We update our blog to share more about app development. Have a look!
Ops app rollouts: 3 failure patterns and how to avoid them
How to prevent field apps from failing—UI, permissions, offline, and multilingual readiness checklist.
What’s a fair price for app maintenance? A checklist for buyers
Scope infra, OS updates, incidents, and minor changes to keep maintenance budgets predictable.
Start with a free consult
We’ll clarify your operations goals and budget in 10 minutes. Zoom or in-person, with replies within 24 hours.
More detailed information is available in your language.