# Entity Relationship Concepts — Practice Offline Daily

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

- Source: https://appshunter.io/ios/app/entity-relationship-concepts/id6773765964 (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: 2026-06-02
- Data updated: 2026-06-04
- User reviews in markdown: https://appshunter.io/ios/app/entity-relationship-concepts/id6773765964/reviews.md

## What is Entity Relationship Concepts?

Entity Relationship Concepts is an independent study app for learners who want focused practice on ER modeling, database design ideas, and common reasoning patterns.

Built for students, interview candidates, and self-paced database learners, the app includes 160 questions across Fundamentals, Practical Skills, Common Pitfalls, and Advanced Concepts. Every question includes an explanation so you can understand the idea behind each answer, not just memorize it.

Features:
- FSRS spaced-repetition intervals for smarter review
- Weak-point heatmap to find topics that need work
- Daily challenge for consistent practice
- Mock exams for timed review sessions
- Offline practice with no login required
- Explanations for every question

Practice offline, no login required.

Independent study app for Entity Relationship Concepts 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 — 2026-06-02

No release notes.

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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 2026-06-04.*