Blog
Notes from
the arena
Speedcubing guides, practice advice, and development notes.
ProductPracticeGuides
RSSProductJul 14, 2026 · 3 min read
Why We Built Cubeathon: A Local-First Timer Made by a Cubing Family
The story behind Cubeathon — what we wanted from a cube timer, what we kept running into on phones, and the principles we built around: local-first, offline, free, no account.
Read the story- 02Practice · Jul 12, 2026 · 3 minHow to Improve Your Average of 5 (Ao5)What Ao5, Ao12, Ao100, mean, and standard deviation actually measure, why averages matter more than single PBs, and practical ways to bring your Ao5 down.
- 03Guides · Jul 11, 2026 · 3 minHow to Switch Cube Timers Without Losing Your HistoryYour solve history is years of practice — here's how to move it to a new timer in minutes, including a step-by-step csTimer import guide.