App Overview

Oxford Dictionary & Thesaurus icon

Oxford Dictionary & Thesaurus

MobiSystems, Inc. · Reference

Trusted by millions of students, professionals, and language learners worldwide, Oxford Dictionary is built on content from Oxford Languages and gives you 18 dictionaries, over a million words, phrases, and definition...

Free · In-app purchases

PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.6
29,301 ratings · Top 15%

Evidence scope: No current overall US chart position is available. Category-chart positions shown in discovery are a separate scope. Revenue is a directional model estimate, not verified earnings.

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A product spec, screen plans, and build steps for your coding agent.

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What's included17 files

A product spec, phased build plan, differentiation notes, and screen references.

  • START_HERE
  • AGENTS
  • EVIDENCE
  • SPEC
  • BUILD_PLAN
  • DIFFERENTIATION
  • skills/
  • screens/
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Illustrative example: an invoice app for independent contractors. Your kit is tailored to the app you choose; this is not its generated content.

Feature spec

Goal: Send a clear invoice after finishing a job.

  • Add a client, line items, a due date, and payment instructions.
  • Preview the total before exporting a PDF.
  • Keep an editable draft if export fails.

Screen plan

Invoice editor: Client at the top, editable line items in the middle, total and preview action at the bottom.

States: Empty draft, validation errors beside each field, exporting, and a retry action that preserves the draft.

Differentiate and validate

Hypothesis: Contractors need faster repeat invoices more than more templates.

First experiment: Test duplicating a previous job with five contractors. Watch where they hesitate before expanding the feature set.

The full kit adds a phased build plan, evidence notes, tool prompts, and implementation guidance. It is a plan for your coding agent, not a finished app.

Usage: Mechanics are fair game; never reuse the original name, branding, assets, or verbatim copy.

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Quick prompt

> SELECT BUILD PLATFORM:

Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.

// RORK SYSTEM PROMPT
Rork plan preview for Oxford Dictionary & Thesaurus: map the core Reference workflow, choose the smallest differentiated feature set, define the data and monetization boundaries, then prototype the riskiest user journey first.
            

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App evidence

Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.

Screenshots

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App Store description

Trusted by millions of students, professionals, and language learners worldwide, Oxford Dictionary is built on content from Oxford Languages and gives you 18 dictionaries, over a million words, phrases, and definitions, plus translations between English and major languages, all in a single app. Whether you are preparing for exams, improving your writing, or expanding your vocabulary, Oxford Dictionary is your trusted language reference. ■ What can I use Oxford Dictionary for? • Find accurate word definitions in English, Spanish, French, and German • Check pronunciation • Discover English synonyms and antonyms • Learn word origins and etymology • Translate between English and major languages • Build vocabulary and improve writing • Use the dictionaries online and offline (offline with Premium) ■ How many dictionaries does Oxford Dictionary include? Oxford Dictionary includes 18 dictionaries: 5 monolingual (British English, American English, Spanish, French, and German) and 13 bilingual dictionaries pairing English with French, German, Spanish, Russian, Chinese, Italian, Hindi, Urdu, Portuguese, Japanese, Greek, Bulgarian, and Thai. ■ How do I find the meaning of a word? Search for any word in Oxford Dictionary to get trusted definitions, example usage, phrases, and word origins from Oxford Languages. ■ Does Oxford Dictionary work offline? Yes, with Premium. Download dictionaries to your device and search for words anytime, no internet connection needed. Ideal for travel, studying, or work. ■ Does Oxford Dictionary include a thesaurus? Yes. The built-in thesaurus gives you thousands of English synonyms and antonyms, helping you find the right word, avoid repetition, and improve your writing. With Premium, synonym lookups are unlimited. ■ Does Oxford Dictionary have audio pronunciation? Yes, with Premium. Recordings by native British and American English speakers help you speak with confidence, ideal for language learning and exam preparation. ■ Can I search for words even if I don't know the spelling? Yes. Use fuzzy search, wildcards (* and ?), autocomplete and auto-correction, voice search, camera search, and keyword lookup to find words quickly and easily. ■ Is Oxford Dictionary good for IELTS, TOEFL, SAT, or ACT preparation? Yes. Oxford Dictionary provides accurate definitions, example usage in context, and a broad vocabulary range for students preparing for major English proficiency exams worldwide. ■ How can I build my vocabulary with Oxford Dictionary? Save words to Favorites, organize them into folders and sync them across your devices, revisit Recent searches, and discover a new word every day with Word of the Day. ■ Should I use an AI chatbot instead of a dictionary? Students and professionals continue to rely on dictionaries for formal definitions and correct word usage. Oxford Dictionary provides definitions backed by Oxford Languages' rigorous editorial process, not AI-generated approximations. When accuracy matters, Oxford Dictionary remains the trusted reference. ■ Who is Oxford Dictionary for? Students, writers, professionals, academics, language learners, and word enthusiasts: anyone who needs a reliable multilingual dictionary at every level. ■ What do you get with Premium? • Offline mode and fast search • Audio pronunciation by native speakers • Unlimited synonym and antonym lookups • Ad-free experience ■ Why choose Oxford Dictionary? Oxford Dictionary combines the language expertise of Oxford Languages with powerful search, 18 dictionaries, and practical vocabulary tools, all in one app. Download Oxford Dictionary today. Website: https://mobisystems.com/oxford-dictionary Facebook: https://www.facebook.com/oxforddictionaryapp Instagram: https://www.instagram.com/oxford_dictionary_app TikTok: https://www.tiktok.com/@oxforddictionaryapp X: https://x.com/OxfordD_app Privacy Policy: https://mobisystems.com/privacy-policy Terms of Use: https://mobisystems.com/terms-of-use

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Opportunities

AI-GENERATED OPPORTUNITY HYPOTHESES

These are generated suggestions, not verified review quotations. Check current App Store reviews and speak with users before treating a possible gap as a requirement.

Hypothesis 1

Implement a local database for offline access.

Assumption to check: Limited offline access to dictionary data

Validate with people who use this workflow before building.

Hypothesis 2

Simplify the paywall and clearly define premium features.

Assumption to check: In-app purchases can be confusing

Validate with people who use this workflow before building.

Hypothesis 3

Enhance search with suggestions and voice input.

Assumption to check: Search functionality may not be intuitive

Validate with people who use this workflow before building.

Hypothesis 4

Implement an ad-free premium subscription.

Assumption to check: Frequent ads interrupt user experience

Validate with people who use this workflow before building.

Build scope

Plan a focused first version with your coding agent. These are planning assumptions, not a delivery guarantee.

Define the first version

Choose one audience and one core workflow. Use the kit to agree on its screens, data, and acceptance criteria before building.

Set boundaries

Decide which secondary features, integrations, and platform support can wait. Your version does not need to reproduce everything in the original.

Check the hard parts

Validate external services, specialist technology, data access, and ongoing costs for your chosen scope.

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From the Build Kit assessment.

A reliable timeline needs an agreed scope and a technical check. Ask your agent to estimate the phases in BUILD_PLAN.md after that review.