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#sipnote
6 posts
May 17, 2026
想戒咖啡？慢慢减比突然戒更有效——三周渐进方案
突然戒咖啡的人 80% 在第三天复喝。这篇讲为什么，以及一个真正能跑完的三周渐进减量方案。
May 17, 2026
How much caffeine is safe during pregnancy? A clear guide for 2026
The 200 mg/day limit explained — what counts as 200 mg, why the third trimester is different, and how to track without obsessing.
May 17, 2026
Caffeine half-life and sleep — when to stop drinking coffee
The science of how long caffeine stays in your body, why a 3pm latte can still hit you at 11pm, and a simple rule of thumb to protect your sleep.
May 17, 2026
The Apple Watch caffeine widget I actually want — and how SipNote built it
A first-class watchOS complication for caffeine isn't a checkbox feature. Here's what makes a watch glance useful, and what most caffeine apps get wrong.
May 16, 2026
为什么我做了一个懂奶茶的咖啡因追踪 app，而且永不订阅
一个独立开发者为什么选择一次性 ¥18 而不是 $5/月 — 以及 8 个月做 SipNote 的取舍与代价。
May 15, 2026
Why I built SipNote without a subscription
A solo iOS developer's take on why charging $2.99 once felt more honest than $5 a month — and what it cost.