# Data Quality Basics — Practice Offline Daily

> Practice Offline Daily (iPhone/iPad app by Tsuyoshi Sezaki.)

- Source: https://appshunter.io/ios/app/data-quality-basics/id6773132875 (this page in markdown: same URL + `.md`)
- Developer: [Tsuyoshi Sezaki](https://appshunter.io/developer/1886356149)
- Category: Education
- Price: Free
- Age rating: 4+
- Requires: iOS 15.1 · 38 MB
- Languages: American English
- Released: 2026-05-28
- Data updated: 2026-07-06
- User reviews in markdown: https://appshunter.io/ios/app/data-quality-basics/id6773132875/reviews.md

## What is Data Quality Basics?

Data Quality Basics is an independent study app for learners who want to build reliable knowledge through focused practice. It is designed for beginners, analysts, engineers, students, and professionals reviewing core ideas before interviews, projects, or exams.

Practice across four topic categories: Fundamentals, Practical Skills, Common Pitfalls, and Advanced Concepts. The app includes 160 questions, and every question comes with an explanation so you can understand the reasoning behind each answer.

Key features:
- FSRS spaced-repetition intervals for smarter review
- Weak-point heatmap to spot topics that need attention
- Daily challenge for consistent study habits
- Mock exams for timed practice
- Offline practice with no login required
- Explanations for every question

Practice offline, no login required.

Independent study app for Data Quality Basics practice. Not affiliated with, endorsed by, or sponsored by any company, certification body, exam operator, or vendor. All trademarks belong to their respective owners.


## Version history (last 1 release)

### 1.0 — 2026-05-28

No release notes.

## More apps by Tsuyoshi Sezaki

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- [簿記3級 合格ドリル](https://appshunter.io/ios/app/3/id6761160384)
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- [危険物乙4 合格ドリル](https://appshunter.io/ios/app/4/id6761160536)
- [英語2級レベル対策ドリル](https://appshunter.io/ios/app/2/id6761160574)

All apps by Tsuyoshi Sezaki: https://appshunter.io/developer/1886356149

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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 2026-07-06.*