# Must-Know 5K English Words — Oxford 5000 vocabulary cards

> Oxford 5000 vocabulary cards (iPhone/iPad app by Ali Koc.)

- Source: https://appshunter.io/ios/app/must-know-5k-english-words/id6789914653 (this page in markdown: same URL + `.md`)
- Developer: [Ali Koc](https://appshunter.io/developer/1799673806)
- Category: Education, Reference
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 17.0 · 8 MB
- Languages: American English
- Released: 2026-07-15
- Data updated: 2026-07-18
- User reviews in markdown: https://appshunter.io/ios/app/must-know-5k-english-words/id6789914653/reviews.md

## What is Must?

MustKnow 5k helps English learners quickly and effectively learn more than 4,200 words based on the Oxford 3000/5000 using the flashcard method.

Smart flashcards
• Words appear in random order; swipe and tap to flip the card.
• Each card includes the Turkish , Spanish , Deutsch and Italian meaning and an English example sentence.
• Tap to listen to the correct pronunciation offline.
• Add your favorite words to your favorites list.

Study by level
• A1–A2, B1–B2, C1–C2 — start from any level you prefer.
• Words marked as “I Know” will not appear again.

Streaks and daily goals
• Set your daily goal, starting from at least 15 words.
• Study every day, build your streak, and track your progress.

60-DAY STREAK REWARD
• Complete your daily goal for 60 consecutive days and earn an Amazon Gift Card!
• Apply through the “Claim Reward” option in the app; the reward will be delivered by email.
• This reward is offered for promotional purposes and is not affiliated with or sponsored by Amazon.

Daily Challenge
• Test yourself every day with 10 randomly selected C1–C2 words.

Free and Premium
• The first 15 words in each level are free.
• Premium unlocks unlimited words and access to all levels.

Dark/light theme • Fully offline • Ad-free • No account required.

Subscriptions automatically renew unless canceled at least 24 hours before the end of the current period. Subscriptions can be managed through your App Store account settings.
Terms of Use: https://msalikoc.github.io/mustknow-legal/terms.html
Privacy Policy: https://msalikoc.github.io/mustknow-legal/privacy.html

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Monthly | $4.99 | per month |
| Yearly | $39.99 | per year |



## Version history (last 2 releases)

### 1.0.1 — 2026-07-17

What's new:
• Word meanings now in your own language! Pick your native language: Turkish, Spanish, Italian or German.
• Smoother onboarding and settings.
• Minor bug fixes and improvements.
Learning English has never been easier. 
Happy studying!

### 1.0 — 2026-07-15

No release notes.

## More apps by Ali Koc

- [Ata Intune Device Checker](https://appshunter.io/ios/app/ata-intune-device-checker/id6742740852)
- [ATA Ms License Guide](https://appshunter.io/ios/app/ata-ms-license-guide/id6747342133)

All apps by Ali Koc: https://appshunter.io/developer/1799673806

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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 2026-07-18.*