# BeltUp: Lean Six Sigma Prep — 300 questions, all explained

> 300 questions, all explained (iPhone/iPad app by Jeroen van Koesveld.)

- Source: https://appshunter.io/ios/app/beltup-lean-six-sigma-prep/id6795830679 (this page in markdown: same URL + `.md`)
- Developer: [Jeroen van Koesveld](https://appshunter.io/developer/6795553090)
- Category: Education, Business
- Price: Free
- Age rating: 4+
- Requires: iOS 17.0 · 0 MB
- Languages: American English
- Released: 2026-08-07
- Data updated: 2026-08-31
- User reviews in markdown: https://appshunter.io/ios/app/beltup-lean-six-sigma-prep/id6795830679/reviews.md

## What is BeltUp?

Most exam apps test you. BeltUp teaches you.

Three hundred original questions across three full belt decks — and every one carries a plain-language explanation written from twenty-seven years of real deployments at the sharp end of industry, not from a textbook index.

YELLOW — 100 foundations: the wastes, takt, 5S, DMAIC, the daily huddle, the language of improvement.
GREEN — 100 practitioner: capability, hypothesis tests, measurement systems, pull-system design, the numbers behind the method.
BLACK — 100 advanced: design of experiments, advanced SPC, non-parametrics, and leading a transformation that survives its leader.

— Shuffled decks, 70% pass mark, exam-style scoring
— Every answer explained — the explanation is the product
— Worked calculations with real factory numbers
— Offline, no account, no tracking

Whether you sit a certification next month or lead a programme next year: this is the bank that makes the knowledge stick.


## Version history (last 1 release)

### 1.0 — 2026-08-07

No release notes.

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-31.*