QR
Scan QR & Bar Code
Utility · AndroidScan any QR or barcode in one tap. Create, save and share codes — without the clutter of ordinary scanner apps.
v2.0 redesign and iOS version in progress
Why we exist
For people and small businesses buried under bloated tools, we build lean, trustworthy apps that do one job, and do it well. Others pile on features. We subtract, so you get more.
01 — Products
One job each. Done well.
Small apps, each solving one real problem, all running on one shared foundation. Nothing ships until it passes the SYSTEM standard.
LiveOn the stores today
GX
[GPLX APP NAME]
Education · VietnamDriving-licence test prep for Vietnam: the full theory question bank plus simulation practice, so you walk in ready.
Redesign underway: free with light ads, Premium without
BuildingIn the workshop now
棋
Kỳ Vương
Game · iOS & iPadXiangqi with quiet Eastern luxury: five-element themes, the Kỳ Hội community, tournaments and collectible pieces.
An
An
Health · iOS & AndroidGentle medication reminders for the people you care about, so no dose quietly slips by.
Ch
Chronoline
Education · WebVietnamese history laid beside world history on one timeline. Clone the standard timeline and make it your own.
NextOn the drawing board
TR
[MATCH-3 GAME NAME]
Game · iOS & AndroidMatch, break the crate, open the vault: endless puzzle levels through ancient tombs, Egyptian pyramids and Vietnam’s Lords era.
VP
Video Pipeline Studio
Creator tool · WebStep-by-step video production for creators: every stage a specialist tool, every output the next stage’s input.
02 — The AVOID way
Good architecture is knowing what not to build.
AVOID means actively removing what should not exist: needless complexity, repeated bugs, manual chores and noise. Each letter is something we refuse — and the method that keeps it out.
We avoidSo we
A
AmbiguityVague specs, vague screens, vague promises.
AutomateTurn every repeatable step into a clear, automatic one.
V
VanityFeatures built to impress instead of to help.
ValidateProve a real need with real users before building.
O
OverengineeringLayers and options for problems nobody has.
OptimizeMake the simple path fast, light and reliable.
I
InconsistencyEvery screen and app behaving differently.
IntegrateOne shared foundation, one way of doing things.
D
DebtTechnical shortcuts and promises left unkept.
DeliverShip value that is finished, maintained and supported.
03 — The SYSTEM standard
Six checks before anything ships.
Everything that carries the AVOID SYSTEM name has to pass all six. No exceptions, no “we’ll fix it later”.
S
Simple
Usable right away, no manual needed.
Y
Yours
Built around the user. Your data belongs to you.
S
Scalable
Grows without being torn down and rebuilt.
T
Trustworthy
Stable and secure. Never spends your trust.
E
Efficient
Saves your time, your data and your battery.
M
Meaningful
Solves a real problem. Nothing built for show.
VISION
A digital product ecosystem that helps Vietnamese people remove unnecessary complexity from work and life.
MISSION
Design solid systems underneath, so people only ever touch simplicity on top.
CHARACTER
Calm. Precise. Direct. Few words — and what we say, we ship.
04 — Three pillars
Products. Knowledge. Community.
Pillar 01ProductsSmall apps, each solving one problem, all sharing one foundation.avoid-system.com →Pillar 02KnowledgeHow we build systems — architecture, process, the book — shared openly to earn trust.nhathuynh.com →Pillar 03CommunityTesters and users shape what gets built next, so products grow from real needs.nhathuynh77.com →
05 — Roadmap
Built in the open.
Now
in progress- Scan QR & Bar Code 2.0 — new design, Android + iOS
- GPLX app redesign with Premium
- Kỳ Vương — native iOS and Go backend
Next
coming up- Kỳ Vương on the App Store
- An — medication reminders, first beta
- Chronoline — public web beta
Later
exploring- Match-3 treasure adventure
- Video Pipeline Studio for creators
- More tools, games and utilities
06 — Follow the build
New apps, early access. No noise.
One short email when something ships or opens for testing. Unsubscribe anytime.
Built by Nhat Huynh
Mobile engineer. Writing a book on living systems and software architecture.