The Otty Library
Every phase. Every tactic.
Browse by what's happening right now, or what's coming next. Each guide is bite-sized, partner-tested, and written without the woo.
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Storm phase
· 52 articles
First days of the cycle. Lower energy, higher needs. Show up by stepping back.
STORM PHASE
What Phase of My Cycle Am I In? Count From Day 1
Count from the first day of your last period, match the number to your cycle length, and let two body signs confirm it.
STORM PHASE
Period Tracker for Teens: 8 Apps Compared on Safety (2026)
Teen cycles are supposed to be irregular for a few years, which changes what a tracker is for. Here is what to pick, and what to skip.
STORM PHASE
How Accurate Are Period Tracker Apps? What the Research Says
Trackers are good at one prediction and poor at another, and the studies show exactly where the line falls.
STORM PHASE
Heating Pad for Period Cramps: Does It Help, and Why?
Heat is one of the two first-line answers to cramps, and using it well is a small skill worth having.
Chill phase
· 30 articles
Energy back, mood up. Time to plan, play, and propose adventures.
CHILL PHASE
Period Tracker for IUD: 6 Apps Compared (2026)
A hormonal coil can thin or stop your periods and a copper one can make them heavier. Six apps, judged on what they do about that.
CHILL PHASE
PCOS Period Tracker: 6 Apps Compared (2026)
With PCOS the useful app is the one that records what happened, labels its guesses, and hands you a clean history for the doctor. Six apps, compared on exactly that.
CHILL PHASE
Period Tracker for Irregular Periods: 6 Apps Compared (2026)
Most apps are built for a 28-day cycle that only 13% of cycles actually follow. These six handle the other 87% with different levels of honesty.
CHILL PHASE
Alternatives to Flo: 6 Period Trackers Compared (2026)
Switching away from Flo is easy. Picking where to land depends on why you're leaving, so here is each option judged on what it does better.
Glow phase
· 24 articles
Peak everything. Confidence, libido, social. Ride it together.
GLOW PHASE
Natural Cycles vs Flo: Which One Do You Need in 2026?
One is cleared as birth control and reads your temperature. The other predicts from the dates you log. Here is how to tell which one you need.
GLOW PHASE
Date Night Ideas: 30 Real Ones for Every Energy Level
Thirty concrete dates sorted by energy, budget, and distance, with a deep guide linked wherever you want more than a one-liner.
GLOW PHASE
Sexy Date Night Ideas for Couples: 15 That Land
Fifteen concrete plans that trade routine for anticipation, at home and out, with the timing trick that makes the whole night easier.
GLOW PHASE
What Are the 7 Signs of Ovulation? How to Spot Each One
Seven real, sourced signals your body sends around egg release, ranked by how much each one deserves your trust.
Zen phase
· 5 articles
Slowing down. Less is more. Cozy is everything.
ZEN PHASE
Flo vs Clue: Which Period Tracker Is Better in 2026?
The two most-downloaded period trackers predict the same way. Where they differ is what you get free, who holds your data, and whether anyone else can see the calendar.
ZEN PHASE
Cycle Syncing Food Chart: What to Eat in Each Phase
One table for the whole month: what to lean into in each phase, what to ease off, and why. No food rules, just a map.
ZEN PHASE
Luteal Phase Day by Day: Days 15 to 28 Explained
Day 18 you and day 26 you are both normal. Here is the map of the two weeks between ovulation and your period.
ZEN PHASE
Luteal Phase Foods: What to Eat and Why
In the two weeks before your period, the right foods steady your mood, blood sugar, and cravings. Here is what to eat in your luteal phase, and what to ease off.
Pre-Storm phase
· 38 articles
The week before. Patience pays. Read the signs before they arrive.
PRE-STORM PHASE
PMDD Tracker: 5 Apps and the DRSP Chart Compared (2026)
A diagnosis rests on two cycles of daily severity ratings. Most period apps cannot produce that record, and the ones that can are not the famous ones.
PRE-STORM PHASE
Is Flo Accurate for Ovulation? What Flo Says vs the Research
Flo's own pages answer most of this question. The independent research answers the rest, and the two mostly agree.
PRE-STORM PHASE
PMDD and Relationships: Supporting a Partner Through It
The week hits both of you. Here is how to believe the pattern, lower the load, hold your own ground, and be the ally that gets treatment started.
PRE-STORM PHASE
PMDD Treatment Options: From First Steps to Last Resort
What doctors actually reach for, in the order they reach for it, with the evidence stated plainly and no menu to self-prescribe from.
CHILL PHASE
Period Tracker for IUD: 6 Apps Compared (2026)
A hormonal coil can thin or stop your periods and a copper one can make them heavier. Six apps, judged on what they do about that.
STORM PHASE
What Phase of My Cycle Am I In? Count From Day 1
Count from the first day of your last period, match the number to your cycle length, and let two body signs confirm it.
Otty does this for you.
Free 7-day trial on iOS.
CHILL PHASE
PCOS Period Tracker: 6 Apps Compared (2026)
With PCOS the useful app is the one that records what happened, labels its guesses, and hands you a clean history for the doctor. Six apps, compared on exactly that.
GLOW PHASE
Natural Cycles vs Flo: Which One Do You Need in 2026?
One is cleared as birth control and reads your temperature. The other predicts from the dates you log. Here is how to tell which one you need.
PRE-STORM PHASE
PMDD Tracker: 5 Apps and the DRSP Chart Compared (2026)
A diagnosis rests on two cycles of daily severity ratings. Most period apps cannot produce that record, and the ones that can are not the famous ones.
ZEN PHASE
Flo vs Clue: Which Period Tracker Is Better in 2026?
The two most-downloaded period trackers predict the same way. Where they differ is what you get free, who holds your data, and whether anyone else can see the calendar.
CHILL PHASE
Period Tracker for Irregular Periods: 6 Apps Compared (2026)
Most apps are built for a 28-day cycle that only 13% of cycles actually follow. These six handle the other 87% with different levels of honesty.
STORM PHASE
Period Tracker for Teens: 8 Apps Compared on Safety (2026)
Teen cycles are supposed to be irregular for a few years, which changes what a tracker is for. Here is what to pick, and what to skip.
PRE-STORM PHASE
Is Flo Accurate for Ovulation? What Flo Says vs the Research
Flo's own pages answer most of this question. The independent research answers the rest, and the two mostly agree.
STORM PHASE
How Accurate Are Period Tracker Apps? What the Research Says
Trackers are good at one prediction and poor at another, and the studies show exactly where the line falls.
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