Live · Daily puzzle
Cascade: Daily Block Puzzle
One global 8×8 block board everyone plays each day — Wordle, but blocks. Chain cascade combos, race a 5-minute clock, keep your streak.
3 apps live on the App Store · 1 in review · 1 in the lab
Tiny apps.
Tiny apps.
Zero dollars.
Made by a teacher.
MacxLabs is a one-teacher indie studio. Every app obeys one rule: open it and it just works — no accounts, no clutter, no price tag.
The apps
On the App Store
Cascade, FactFall, and Review Arcade are live today. Aced is in App Review — coming this week.
Live · Trivia reflex
FactFall: True or False
Swipe TRUE or FALSE before the fact card hits the floor. ~6,800 facts, speed that never stops ramping, and you learn something on every miss.
Live · Education
Review Arcade: AP & Regents
A full review-board app for AP and NY Regents prep: 568 bundled boards, team play, Daily Double, Final Wager — no login, no in-app purchases.
In review · Coming this week
Aced: Final Grade Calculator
“What do I need on my final?” — answered in five seconds. Final exam calculator, quick grader, weighted average, and share cards for finals week.
Download on theApp Store
Cascade · FactFall · Review Arcade — all free
For teachers
Built in a real classroom
The studio is run by a working teacher — so the teacher tools come first, and the student side stays free.
Review Arcade
568 ready-to-play AP & Regents review boards on the free iOS app, plus 67 course pages with 5-day starter sprints for teachers.
Browse free starter sprints$9/mo · founding offer
Teacher HQ
Turns those boards into sprint plans, printable workflows, and classroom launch kits. The student app stays free; HQ is the teacher workflow.
Open Teacher HQGlobal Regents Review
A free web review hub for the Global History Regents: Enduring Issues, the Columbian Exchange, WWI, the Cold War, and more — no login, ever.
The lab
In development · Open source
Claw-ED
A local AI-agent harness for teachers. Claw-ED runs on your Mac, uses the model provider you choose, and gives the agent education skills with permission prompts around risky actions.
No setup, ever
No accounts, no sign-ups, no rosters. Open the app and play — every one works the second it loads.
Free, with honest ads
Free downloads, no surprise paywalls. Ads sit at natural breaks and never gate the core game.
Works offline
Core play keeps going with no signal — built for a commute, a queue, or the back of the bus before a test.
A few minutes a day
Short, focused sessions and daily streaks. Designed to be finished, not to swallow your afternoon.
Today's Cascade board is waiting
Everyone in the world gets the same board. Play today's puzzle in your browser, then take your streak to the App Store.