Made by TvTroid
Apps that make
learning feel like play
Over 217,000 people use our apps to ace the TOEIC® and sharpen their minds with puzzles — free to download, easy to love.
Our apps
Pick your next favorite app
Free to download. Built to be simple, fast, and genuinely useful.
New Practice for TOEIC® Test
Master the TOEIC® New Format with spaced repetition
Over 1,000 real TOEIC® questions with a smart spaced-repetition engine that helps you retain vocabulary and grammar for good — not just until the test.
Chess Ninja: Wave Survival
How long can you last?
Capture enemy pieces to steal their powers, chain kills for combo bonuses up to ×8, and survive endless waves on a single board. Free to play, no account needed.
Crack the Code Pro
An endless puzzle that keeps you guessing
Find the correct numbers hidden in each riddle to unlock the key. Simple to learn, hard to put down — compete with friends across endless levels.
About TvTroid
Small team. Simple apps. No fluff.
We're an indie studio focused on building useful, no-nonsense mobile apps — from spaced-repetition learning tools to addictive puzzle games. Every app is designed to do one thing well, load fast, and respect your time.
Fast & lightweight
No bloat, no clutter — just the features you actually need.
Built with purpose
Every app solves a real problem, backed by real learning science.
Privacy respected
We keep data collection minimal and transparent. Always.
Ready to give it a try?
Download any of our apps today — free, fast, and just one tap away.
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