Optimize Sleep with Algorithms,
Connect Culture Through Games

Able AI — AI-driven personal founder hub. Free tools, technical notes, and products — all in one place.

Free AI Tools

No registration needed — improve your sleep and learn Chinese characters

Sleep Cycle Calculator

Enter wake-up time to calculate optimal bedtimes

4 cycles (360 min)00:45
3 cycles (270 min)02:15
2 cycles (180 min)03:45
1 cycles (90 min)05:15
Go to full version →

Daily Character Challenge

See how many pairs you can recognize

+

píng guǒ

apple

Discover more pairs in the game →

My Product Suite

Two live overseas SaaS products, continuously iterating

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Sleep Calculator

sleepcalculator.vip

Based on 90-minute sleep cycle algorithm, helping users calculate optimal bedtimes and wake-up times. Running stably, helping thousands improve their sleep.

Visit site →

Chinese Match Game

cutechinese.net

AI-powered Chinese character matching game. Interactive learning through pairing memory, making Chinese character mastery fun and easy.

Visit site →

Founder Lab

Technical deep-dives, startup stories, cross-analysis

Tech Deep-Dive

How the Sleep Calculator Achieves Precision to 90-Minute Cycles?

Deep dive into the sleep cycle algorithm, including bedtime estimation and wake threshold handling.

Read more →
Startup Story

One-Person Company, Two Products, One AI Hub

Why I created ableai.my — thoughts on personal branding and content marketing as an indie developer.

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Able AI - AI-Driven Personal Founder Hub