---
title: "Moby Thesaurus - extended — App Overview"
url: https://marlvel.ai/apps/moby-thesaurus-extended
category: Reference
developer: Thuy Duong
platforms: ios
rating: N/A (0 ratings)
pricing: paid
report_level: overview
generated: 2026-05-05
last_verified: "2026-05-05T18:56:42.110Z"
---

<!-- SECTION: Key Insight -->
> **Key Insight:** This app serves as a high-capacity, offline-capable English reference tool that combines a massive thesaurus database with structured vocabulary study features.

<!-- SECTION: Quick Facts -->
| Metric | Value |
|--------|-------|
| Category | Reference |
| Rating | N/A ★ (0) |
| Pricing | paid |
| Platforms | iOS |
| Latest Version (iOS) | 2.0 |
| Developer | Thuy Duong |

<!-- SECTION: Summary -->
## What is Moby Thesaurus - extended?

Moby Thesaurus - extended is a comprehensive English language reference tool containing over 30,000 root words and 2.5 million synonyms. It integrates vocabulary study tools, including flashcards and daily learning goals, alongside utility features like voice search and built-in dictionary definitions.

<!-- SECTION: Key Features -->
## Key Features

- **Extensive Thesaurus Database**: Provides access to 30,260 root words and over 2.5 million related terms and synonyms.
- **Integrated Study Tools**: Includes daily learning goals, multiple-choice quizzes, and flashcards for vocabulary retention.
- **Contextual Language Utilities**: Allows users to long-press words to access built-in dictionary definitions, translations, and pronunciation.
- **Search and Organization**: Features voice search, entry bookmarking, and the ability to organize terms into custom lists.

<!-- SECTION: Target Audience -->
## Who is it for?

The app is designed for students, writers, and language learners seeking an extensive offline English thesaurus with integrated study aids.

<!-- SECTION: Links -->
## Links

- [App Store](https://apps.apple.com/us/app/moby-thesaurus-extended/id1531115545?uo=4)
- [Full Intelligence Report](https://marlvel.ai/apps/moby-thesaurus-extended)

---
*This is an overview report. Sentiment analysis, competitive landscape, and SWOT analysis are available in the [full intelligence report](https://marlvel.ai/apps/moby-thesaurus-extended).*
*Generated by [Marlvel.ai](https://marlvel.ai) — Independent app intelligence.*