App
Engineering.
Thailand's specialist studio for Mobile App · POS · Embedded Software
✓ UX research complete
✓ design system exported
✓ flutter build apk --release
✓ iOS archive signed ✓
→ App Store submission processing...
$ flutter run --release --flavor production
✓ Build complete — 4.2s
✓ Hot restart on device — ready
$ ▌
25+
mobile apps delivered
12+
POS systems deployed
8w
avg. delivery time
Core Specialisations
3 things we do best
We are not a web agency that does everything — we are specialists in mobile-first engineering.
Why Mobile
In this era, mobile is the platform
It's not a trend — it's where your users already are. Here's why building mobile-first is the only strategy that makes sense today.
6.9B
Smartphone users worldwide
Over 86% of the global population carries a smartphone. Your product needs to be in their pocket — not on a desktop they no longer use.
4.8h
Average daily screen time on mobile
Users spend nearly 5 hours per day on mobile devices. Attention lives on mobile — if your system isn't there, you're invisible.
92%
Internet users access via mobile
In Southeast Asia, mobile-first is not a trend — it's the baseline. Building for desktop first means building for the minority.
3×
Higher conversion on a well-designed mobile app
A native mobile app with great UX converts 3× better than a mobile website for transactional use cases like booking, payment and POS.
Why Efficiency
Mobile Engineers
who understand
Thai business
We don't just write code — we engineer systems that fit the real operational needs of your business, with UX/UI validated in real environments.
UX/UI grounded in practice
Not just aesthetics — every interface is validated against real users in real environments.
Mobile-First Engineering
A team that specialises in mobile development — not a web agency that does mobile on the side.
Operational Thinking
We understand business workflows. Systems we build adapt to how you operate — not the other way around.
Transparent Pricing
Clear packages, no hidden costs. We tell you immediately which tier fits your project.
How We Work
Clear at every step
FAQ
Common Questions
Does Efficiency only do mobile apps, or do you handle backend too?
What does the starting price of ฿375,000 cover?
Can you integrate hardware like printers or BLE devices?
How long does development take?
Is there support after launch?
Ready to build something
that actually works?
Get a free assessment — we'll tell you immediately which package fits your project and what the timeline looks like.