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Simple by design
Every app does one job well. Clean screens, no clutter and nothing you have to learn twice.
~/karthipsk $ cd dev
karthipsk.dev
Indie apps for Android & iOS.
I'm Karthi, an independent developer from Erode, India. I design, build and ship small, focused mobile apps that are fast, simple to use and respectful of your privacy.
// How I build
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Privacy first
Apps collect only what they need to work. No selling of personal data, ever. Read the privacy policy.
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Android & iOS
Apps will be published on Google Play and the Apple App Store, and supported after launch.
// Apps
coming soon · android & ios
drnk whata
a daily water goal that’s actually yours.
Yes, it’s “drink water”. “8 glasses a day” was never your number. drnk whata works out a daily goal from your weight, how active you’ll be and how hot the day is, then helps you hit it.
your goal
- Body weight × 43.5 ml/kg
- +355 ml per 30 min of exercise, +475 ml on a hot day
- Auto or manual goal, weekly weigh-in
morning check-in
- Activity, from sedentary to very active
- Climate: cold, mild or hot
one tap, one glass
- Glass size from 50 to 1000 ml
- Undo a tap
- Last 7 days at a glance
nudges, not nagging
- Every 15 min to 4 h, only in your hours
- Stop once you hit your goal
- No sign-up, works offline
Soon onGoogle Play
Soon on theApp Store
swipe for more →
coming soon · android & ios
nilaa
your cycle. your pregnancy. beautifully simple.
Nilaa is Tamil for “moon”. A simple, private period and pregnancy tracker, one screen and one thing at a time.
cycle
- Next period, fertile window and ovulation day
- Predictions learn from your last cycles
daily log
- Symptoms, mood, basal temperature
- Gentle reminders
- Patterns show up in insights
pregnancy
- Pregnancy mode, week by week
- Kick counter, contraction timer
- Weight log, appointments, hospital bag checklist
private by design
- No sign-up, data stays on your phone
- No cloud, no ads, works offline
- App lock, backup & restore
Soon onGoogle Play
Soon on theApp Store
swipe for more →
coming soon · android & ios
nestly
a calm home for your baby’s days.
A calm, private baby tracker: feeds, diapers, sleep, first foods, growth and vaccines in one place.
feeding
- Left/right breast timer that remembers the next side
- Bottle, formula and pumping logs
- Feed reminders
first foods
- 70+ foods with ready-from age
- Prep, allergen and choking notes
- 3-day new-food trial
growth & health
- WHO growth charts: weight, length, head size
- Percentile spelled out
- IAP vaccine schedule, reminder 2 days before each dose, milestones
private by design
- No sign-up, no cloud
- Everything stays on this phone, works offline
- App lock, backup & restore
Soon onGoogle Play
Soon on theApp Store
swipe for more →
Want to know when they launch? Follow @karthipsk.dev on Instagram.
// About karthipsk.dev
karthipsk.dev is where I, Karthi Palanisamy, publish my own mobile apps for Android and iOS, from the first idea to the version in your pocket. I handle the design, development, testing and support myself, so when you write in, you reach the person who built the app.
- Focused apps with clean, simple interfaces
- Respect for your privacy and your data
- Regular updates and direct, personal support
- Built for Google Play and the Apple App Store
App help is on the Support page, and the Privacy Policy covers all karthipsk.dev apps.
// Three apps are on the way
drnk whata, nilaa and nestly are coming soon to Google Play and the App Store. Follow along on Instagram for previews and launch news.