Kountrain is a workout journal for people who exercise on their own terms. You did 20 push-ups in your living room, where do you write that down? Fitness apps want your meal plan, your sleep schedule, and your credit card number. Kountrain just logs reps.
Open, tap, log, done. Six bodyweight exercises out of the box: push-ups, squats, planks, burpees, pull-ups, and lunges. Set a daily rep goal, log throughout the day, watch your streak grow. Each exercise includes a form guide with tips and common mistakes. 56 achievements reward consistency, and calorie estimates give a rough sense of effort.
No account, no internet required, no ads. Your data lives in a local database on your device, and you can export your full history as a spreadsheet anytime, for free. Works offline in ten languages.
The whole app is free: logging, the six exercises, goals, streaks, stats, charts, achievements, export, hiding and reordering. The one optional purchase is Kountrain Premium, a one-time unlock ($9.99, no subscription) for adding custom exercises with their own name, color, icon, and achievements.
Available on iOS and Android.
A startup from Santiago, Chile that is founded by Gregorio Undurraga.
Listed in
Built-in exercises
Push-ups, squats, planks, burpees, pull-ups, lunges - reps or seconds
Goals & streaks
Daily rep goals with streak tracking and progress charts
Achievements
Achievements rewarding consistency, custom exercises earn them too
Offline & private
No account, no internet, no ads - data stays in a local database on device
Data export
Full workout history exportable as a spreadsheet (CSV), free
Custom exercises
One-time Premium unlock - own name, color, icon, and achievements
Kountrain refuses to be a fitness platform. No meal plans, no workout programs, no account, no subscription, no ads. It does one thing: give the reps you do throughout the day a place to live. Open, tap, log, done. Everything runs offline in a local database on your device, and your full history exports to a spreadsheet for free. The only purchase in the app is a one-time unlock for custom exercises, paid once, yours forever.
Most workout trackers are built around structured gym programs and charge a monthly subscription for the privilege. If you do random sets through the day, push-ups before a meeting, squats while the coffee brews, those apps make simple exercise feel inadequate. Kountrain is faster to log than a notes app, keeps the structure a spreadsheet loses on a phone, and never asks for money again after the optional one-time Premium unlock. Your data is yours: on-device, exportable, no account.
People who exercise on their own terms: bodyweight exercisers doing sets at home or at the office, habit builders who want streaks and a daily rep goal, and anyone who left gym apps because they wanted a journal, not a coach. It works in ten languages, fully offline.
The founder did random sets throughout the day, push-ups before a meeting, planks before bed, and had nowhere sane to write them down. Fitness apps wanted a meal plan and a credit card; spreadsheets felt wrong on a phone. So he built the simplest thing that could work: a rep journal with six bodyweight exercises, goals, streaks, and achievements. Kountrain is made by Paintingstack.
Flutter with a local SQLite database. No backend, no cloud, all data stays on the device.
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Check the traffic stats of Kountrain on SimilarWeb. The key metrics to look for are: monthly visits, average visit duration, pages per visit, and traffic by country. Moreoever, check the traffic sources. For example "Direct" traffic is a good sign.
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