The timer that thinks. And lives.
A living ferrofluid creature that thinks, reacts, and speaks. Tell Ferro what you need. It figures out the rest.
Most timer apps are just clocks with a countdown.
You set a number. You watch it count down. No context, no awareness, no life. Timer apps haven't evolved in 15 years. Until now.
Static
A number on a screen. No context, no awareness, no life.
Silent
It never speaks. Never encourages. Never adapts to what you're doing.
Forgettable
You close it and never think about it again. No personality, no pull.
Every timer you'll ever need.
In one place.
From quick countdowns to structured training protocols. Ferro handles all 12. You won't need another timer app.
Countdown
Simple timer
Stopwatch
Count up freely
Pomodoro
Work/break cycles
Focus
Deep work sessions
EMOM
Every minute on the minute
HIIT
High intensity intervals
Tabata
20s work / 10s rest
AMRAP
As many rounds as possible
Sequence
Chain timers together
Flowmodoro
Work until you stop
Breathing
Box, 4-7-8, Wim Hof
Meditation
Guided mindfulness
Not just a timer.
A living companion.
Every timer app counts down. Ferro is the only one that understands context, adapts its personality, and makes every second feel intentional.
Just describe it
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12
Timer Modes
1
Sentence to Set Up
Free
To Start
It's alive.
Not a UI element.
Ferro isn't a skin or a theme. It breathes on your home screen, churns while thinking, pulses with your session, and celebrates when you finish. Touch it and it parts, then reforms. Every state means something. That's not decoration. That's design.
Recorded from the app. No animation cheats.
It doesn't just listen.
It thinks.
In seconds, Ferro reads your intent, picks the right timer type across 12 modes, structures every phase, and names the session. Complex builds done before you finish the sentence.
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It speaks.
In context. In character.
At the right moment, with the right tone. “Smells close.” when your pasta is nearly done. “Last one. Everything.” on your final round. Context-aware. Never scripted. Never repeated. And you pick who runs the session, and how much it talks.
"Smells close."
"Last one. Everything."
"Breathe in. 4, 3, 2, 1."
It adapts to what you do.
Meditation is zen. HIIT is intense. Every mode shapes how Ferro looks, sounds, and feels. It becomes your activity.
Calm
Zen rhythm
Focus
Steady pulse
HIIT
Explosive energy
Cook
Playful wobble
One sentence.
A whole routine.
Some sessions are more than one timer. Warmup, work, break, cooldown: chain them into a flow and Ferro runs the sequence for you, step after step, so you never touch the phone mid-routine.
Built from a sentence
Describe the routine once and Ferro structures every step, times included. Or build it by hand in the editor.
Or from a photo
Point the camera at a workout sheet or a recipe. Ferro reads it and turns it into a flow.
Walked with you
Ferro announces each step and carries you through the whole path, hands free.
Saved and reusable
Morning routine, workout, study block. Named, saved, one tap away.
Deep Work · Focus
24:12
Everything comes back when the timer ends.
The apps that break
your focus? Blocked.
Start a session and Ferro stands guard. The apps you choose go dark behind Ferro's cover and stay there until the timer ends. Built on Apple's Screen Time, so it works at the system level and your app list never leaves your phone.
No willpower required. The scroll simply is not there.
Not a skin.
Not a theme.
A new object, built from the ground up with real fluid physics and a visual language no other timer has.
Fluid Physics
A real-time ferrofluid simulation. Not a loop, not a video. Computed live on your device.
Premium Haptics
Every interaction has tactile weight. Taps, transitions, completions. Each one felt.
Visual Language
Every state means something. Churning means thinking. Pulsing means active. Design as communication.
Ferro remembers
every second.
Every focused second feeds your streak, your daily missions, your badges. It even makes Ferro grow older. Skip a day and a streak freeze covers for you. Momentum, made visible.
0
Day Streak
Keep the chain going
0
Sessions Tracked
Every one remembered
0h
Hours Focused
All-time, synced
0
Seconds Counted
Ferro forgets nothing
Every day, counted
Goal ring, weekly chart, a year of focus at a glance.
Daily missions
Small wins every day. Streak freezes cover the off days.
Badges to earn
18 achievements. And Ferro literally ages as you focus.
Got questions?
Everything you need to know about Ferro.
Questions?
Talk to us.
We'd love to hear your feedback, feature requests, or just chat about agentic interfaces.