Flagship App
Piano
A mobile piano experience for practice, play, and approachable music learning.
Vietnam mobile product studio
Measure. Craft. Ship.
We build and scale mobile products through disciplined experimentation, data-driven decisions, and relentless craftsmanship.
A focused portfolio builder, not an agency. We treat every product as a living system: understand the signal, refine the experience, and ship with discipline.
MeasureLive usage, cohorts, retention, and experiment reads.
CraftSharper flows, faster surfaces, better product feel.
ShipRelease, learn, iterate, and compound the portfolio.
15M+Downloads
Mobile products used by millions around the world.
20+Published Apps
A focused portfolio shipped across practical categories.
10+Product Categories
Entertainment, navigation, family, productivity, security, and more.
VietnamProduct Studio
A builder-led team with a long-term product mindset.
Featured Products
A portfolio of practical mobile products.
Flagship apps span entertainment, navigation, family, productivity, printing, and security. Each product is built to be useful, measurable, and worth returning to.
GPS & Distance Measure
Map tools for distance, area, and location-based measurement workflows.
Pregnancy Tracker
A family utility for weekly progress, planning, and everyday clarity.
IPTV Smart Player
A clean mobile player for users managing IPTV content.
Smart Printer
Printing and file workflows for documents, photos, and everyday tasks.
Tracker Detect
A privacy-minded utility for identifying nearby trackers.
Product Development Process
A disciplined loop for compounding product quality.
We combine product evidence with careful execution, so decisions become clearer and each release has a sharper reason to exist.
Measure
Start with behavioral signals, product metrics, and user evidence.
Craft
Design flows and details that make repeated use feel natural.
Ship
Release with pace, measure the outcome, and keep learning.
Core Values
Quiet standards. Visible outcomes.
The studio should feel like the products it builds: useful, precise, fast, and durable.
IN
Integrity
Build trust, communicate clearly, and think long term. Strong products do not need exaggerated claims.
DA
Data Driven
Prefer evidence over opinion. Product choices are grounded in measurable behavior and structured learning.
CR
Craftsmanship
Every interaction matters. Small details create premium experiences, and quality beats feature noise.
About Studio
A Vietnam-based studio for long-term mobile products.
House of Pencils builds, launches, and scales mobile applications across practical categories. The company is an engineering-led portfolio builder: fewer promises, stronger product discipline.
Productivity
Utilities
Security
Lifestyle
Entertainment
Navigation
Careers
Build products used by millions.
We look for builders who care about measured progress, polished execution, and products that solve everyday problems at scale.