# TerraChron 9 — Passport Study Studio

> Offline Grade 9 History & Geography study studio with interactive learning tools. (iPhone/iPad app by Kien Le Trung.)

- Source: https://appshunter.io/ios/app/terrachron-9/id6757675735 (this page in markdown: same URL + `.md`)
- Developer: [Kien Le Trung](https://appshunter.io/developer/1868204668)
- Category: Education, Entertainment
- Price: Free
- Rating: 1.00/5 from 1 App Store ratings
- Age rating: 4+
- Requires: iOS 13.0 · 19 MB
- Languages: American English
- Released: 2026-01-11
- Data updated: 2026-09-28
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/terrachron-9/id6757675735/reviews.md

## What is TerraChron 9?

TerraChron 9 is an offline Grade 9 History & Geography Study Studio. Each session ends with a saved Notebook artifact in the learner’s own words (with v1/v2 revisions) and a calm Daily Passport check-in. Use the Atlas for short theory, key terms, and text-only timelines or place/climate facts, then complete guided Studio Runs with self-check and reflection. Review Lab builds focus sets from local mix-ups and saves Revision Cards for later review.

## Key features

- Offline study studio
- History & Geography curriculum
- Interactive Atlas
- Guided Studio Runs
- Review Lab with Revision Cards
- Saved Notebook artifacts


## Frequently asked questions about TerraChron 9

### What is TerraChron 9?

TerraChron 9 is an offline study studio designed for Grade 9 students to learn History and Geography. It offers tools like an Atlas, guided Studio Runs, and a Review Lab to aid in comprehension and revision.

### Does TerraChron 9 require an internet connection?

No, TerraChron 9 is an offline application, meaning it can be used without an internet connection. This makes it convenient for studying anywhere, anytime.

### What learning features does TerraChron 9 offer?

TerraChron 9 includes an Atlas for theory and key terms, guided Studio Runs for practice with self-checks, and a Review Lab to build custom revision cards for later study.

### How does TerraChron 9 help with revision?

The Review Lab feature allows students to create sets of revision cards from mixed-up content, saving them for later review. This helps reinforce learning and prepare for assessments.

### What is the learning methodology of TerraChron 9?

TerraChron 9 employs a methodology that includes theoretical content, guided practice with reflection, and personalized revision tools. Each session concludes with a saved Notebook artifact in the learner's own words.

### How does TerraChron 9 track student progress?

Progress tracking in TerraChron 9 is facilitated through saved Notebook artifacts, which capture the learner's understanding in their own words, and the creation of revision cards in the Review Lab.

### Is TerraChron 9 suitable for offline use?

Yes, TerraChron 9 is specifically designed as an offline study studio, allowing Grade 9 students to access all its features without an internet connection.

### Does TerraChron 9 have ads?

No, TerraChron 9 does not contain advertisements. It is a completely ad-free application.

## Version history (last 1 release)

### 1.0.0 — 2026-01-11

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 2026-09-28.*