KataPrep: Six Sigma Exam Prep
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About this app
KataPrep is exam prep for the Lean Six Sigma Green Belt — built the way of the floor: you learn by doing, not by watching.
Most prep drowns you in slides. KataPrep hands you the tools and puts you to work. A guided path of stations walks you through the whole body of knowledge — Lean Foundations, then Define, Measure, Analyze, Improve, and Control — one focused ten-minute session at a time. Master Daru, your companion, keeps you honest and moving.
WHAT YOU GET
- A path, not a pile. Stations unlock in order across all five DMAIC phases plus Lean Foundations, so you always know the next right thing to study.
- Kata Trials. Apply what you've learned to realistic defects and scenarios — the way the exam actually tests you.
- An honest readiness score. It never flatters you: the "book the exam" gate opens only at 85% overall with every phase past 75%.
- Spaced review that fights forgetting. Cleared stations fade over time and return to your queue right when you're about to forget them. Repair them, and they stick.
- Ten minutes a day. One gentle daily nudge, a streak to keep, and rest tokens that cover the day life gets in the way.
FREE TO START. ONE PRICE, EVER.
Begin the Yellow Belt path free — the fundamentals, end to end. Unlock the full Green Belt path once, with a single in-app purchase. No subscription. No renewals. No ads.
PRIVATE BY DESIGN
Start anonymous — no email, no sign-up wall. Your progress lives on your device and syncs across your own devices only if you choose to link an Apple or Google account. Your study data is stored in the EU. We sell the unlock, not your data — no ads, no trackers, no resale. Export or delete everything yourself, any time, from Settings.
WHO IT'S FOR
Working professionals, students, and anyone preparing for a Lean Six Sigma Green Belt certification who wants to actually retain the material — not just cram it.
KataPrep is an independent study aid. It is not affiliated with, endorsed by, or sponsored by ASQ, IASSC, or any certification body.
The floor is ready. Begin when you are.
Most prep drowns you in slides. KataPrep hands you the tools and puts you to work. A guided path of stations walks you through the whole body of knowledge — Lean Foundations, then Define, Measure, Analyze, Improve, and Control — one focused ten-minute session at a time. Master Daru, your companion, keeps you honest and moving.
WHAT YOU GET
- A path, not a pile. Stations unlock in order across all five DMAIC phases plus Lean Foundations, so you always know the next right thing to study.
- Kata Trials. Apply what you've learned to realistic defects and scenarios — the way the exam actually tests you.
- An honest readiness score. It never flatters you: the "book the exam" gate opens only at 85% overall with every phase past 75%.
- Spaced review that fights forgetting. Cleared stations fade over time and return to your queue right when you're about to forget them. Repair them, and they stick.
- Ten minutes a day. One gentle daily nudge, a streak to keep, and rest tokens that cover the day life gets in the way.
FREE TO START. ONE PRICE, EVER.
Begin the Yellow Belt path free — the fundamentals, end to end. Unlock the full Green Belt path once, with a single in-app purchase. No subscription. No renewals. No ads.
PRIVATE BY DESIGN
Start anonymous — no email, no sign-up wall. Your progress lives on your device and syncs across your own devices only if you choose to link an Apple or Google account. Your study data is stored in the EU. We sell the unlock, not your data — no ads, no trackers, no resale. Export or delete everything yourself, any time, from Settings.
WHO IT'S FOR
Working professionals, students, and anyone preparing for a Lean Six Sigma Green Belt certification who wants to actually retain the material — not just cram it.
KataPrep is an independent study aid. It is not affiliated with, endorsed by, or sponsored by ASQ, IASSC, or any certification body.
The floor is ready. Begin when you are.
Pass the Lean Six Sigma Green Belt — 10 minutes a day, learning by doing.
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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.
- No data shared with third partiesLearn more about how developers declare sharing
- This app may collect these data typesPersonal info, Financial info and 3 others
- Data is encrypted in transit
- You can request that data be deleted
What’s new
KataPrep is the fastest way to get exam-ready for Six Sigma Green Belt.
Walk the station path across Lean Foundations and all five DMAIC phases, take Kata Trials, and sit a full 100-question timed mock exam while your readiness score climbs. Spaced review, a daily nudge and streaks keep you coming back.
Start free — unlock the full Green Belt path with a single purchase.
Walk the station path across Lean Foundations and all five DMAIC phases, take Kata Trials, and sit a full 100-question timed mock exam while your readiness score climbs. Spaced review, a daily nudge and streaks keep you coming back.
Start free — unlock the full Green Belt path with a single purchase.
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About the developer
Umut Aktaş
aktasumut@gmail.com
693 sokak Ahi Evran Mahallesi
HAYBER A BLK. No:7/5
40100 Merkez/Kırşehir
Türkiye
