Jamkong: Baby Sleep Tracker
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About this app
Built for three in the morning, when one arm is holding your baby and the other is holding your phone.
Jamkong logs your baby's sleep and uses those logs to work out when they will be sleepy next.
◆ Know when they will be sleepy next
How long a baby can stay awake changes with age, and two babies the same age are rarely the same. Jamkong learns from your baby's recent sleep and predicts the next window.
Before there is enough history it uses the average for your baby's age, and it tells you which one you are looking at right on the card. Showing the basis matters: when a prediction misses, you can see why.
◆ One hand, one tap
Starting a sleep and ending it is one large button. Feeds and diapers take a single tap too. There are no small targets to aim at while you are holding a baby.
The time defaults to now, and when you do need to change it, a clock dial gets you there in seconds.
◆ The whole day at a glance
Twenty four hours become one horizontal bar. You can read the shape of a day without reading a single number. Naps and night sleep are separated by color, and a night that crosses midnight stays whole instead of being cut in two.
◆ See how things are changing
Weekly and monthly sleep totals, the split between naps and night sleep, the longest unbroken stretch at night and how often your baby woke.
Jamkong compares this with the recommended range for your baby's age, but it will not tell you that something is wrong. A recommendation is a range, and drifting a little outside it is common in healthy babies. This app does not diagnose.
◆ Home screen widget
Without opening the app you can see whether your baby is asleep, how long they have slept, and roughly when they will be sleepy again. Start a sleep, end it, or log a feed straight from the widget.
◆ Reminders that do not nag
A heads up ten minutes before the expected sleep time. You can also turn on a feeding interval reminder and a once a day reminder to write things down, at whatever time suits you.
Nothing here scolds you for a day you missed.
◆ A screen you can use at night
Dark mode was made so it does not light up the room. The background is a very dark indigo rather than pure black, and the accent colors are muted so they do not sting tired eyes. Choose light, dark, or follow the system.
◆ Your records stay on the device
Sleep, feeding and diaper logs never leave this phone. There is no account to create and nothing to log in to. Install it, type your baby's name, and start.
◆ More than one baby
Log siblings separately and switch between them from the top of the screen.
◆ Premium
A single purchase removes ads and unlocks the advanced features. It is a one time payment, not a subscription.
Your baby's sleep shifts a little every day. Let Jamkong remember the shape of it for you.
Jamkong logs your baby's sleep and uses those logs to work out when they will be sleepy next.
◆ Know when they will be sleepy next
How long a baby can stay awake changes with age, and two babies the same age are rarely the same. Jamkong learns from your baby's recent sleep and predicts the next window.
Before there is enough history it uses the average for your baby's age, and it tells you which one you are looking at right on the card. Showing the basis matters: when a prediction misses, you can see why.
◆ One hand, one tap
Starting a sleep and ending it is one large button. Feeds and diapers take a single tap too. There are no small targets to aim at while you are holding a baby.
The time defaults to now, and when you do need to change it, a clock dial gets you there in seconds.
◆ The whole day at a glance
Twenty four hours become one horizontal bar. You can read the shape of a day without reading a single number. Naps and night sleep are separated by color, and a night that crosses midnight stays whole instead of being cut in two.
◆ See how things are changing
Weekly and monthly sleep totals, the split between naps and night sleep, the longest unbroken stretch at night and how often your baby woke.
Jamkong compares this with the recommended range for your baby's age, but it will not tell you that something is wrong. A recommendation is a range, and drifting a little outside it is common in healthy babies. This app does not diagnose.
◆ Home screen widget
Without opening the app you can see whether your baby is asleep, how long they have slept, and roughly when they will be sleepy again. Start a sleep, end it, or log a feed straight from the widget.
◆ Reminders that do not nag
A heads up ten minutes before the expected sleep time. You can also turn on a feeding interval reminder and a once a day reminder to write things down, at whatever time suits you.
Nothing here scolds you for a day you missed.
◆ A screen you can use at night
Dark mode was made so it does not light up the room. The background is a very dark indigo rather than pure black, and the accent colors are muted so they do not sting tired eyes. Choose light, dark, or follow the system.
◆ Your records stay on the device
Sleep, feeding and diaper logs never leave this phone. There is no account to create and nothing to log in to. Install it, type your baby's name, and start.
◆ More than one baby
Log siblings separately and switch between them from the top of the screen.
◆ Premium
A single purchase removes ads and unlocks the advanced features. It is a one time payment, not a subscription.
Your baby's sleep shifts a little every day. Let Jamkong remember the shape of it for you.
Log sleep, feeds and diapers in one tap. Know when your baby gets sleepy next.
Updated on
Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
- This app may share these data types with third partiesDevice or other IDs
- No data collectedLearn more about how developers declare collection
- Data isn’t encrypted
