WordUp | AI Vocabulary Builder

WordUp | AI Vocabulary Builder
  • DeveloperGeeks Ltd
  • GenreEducation
  • Installs5,000,000+
  • UpdatedFeb 11, 2026
  • Version17.1.3416
  • RequirementsAndroid
  • ReleasedFeb 14, 2019
  • ContentEveryone
Open official listingAPK metadata only

WordUp | AI Vocabulary Builder screenshot 1WordUp | AI Vocabulary Builder screenshot 2WordUp | AI Vocabulary Builder screenshot 3WordUp | AI Vocabulary Builder screenshot 4WordUp | AI Vocabulary Builder screenshot 5WordUp | AI Vocabulary Builder screenshot 6

WordUp | AI Vocabulary Builder

Editorial review: WordUp | AI Vocabulary Builder APK and install guide

The install decision for WordUp | AI Vocabulary Builder starts with identity. A title, icon, and screenshots are helpful, but they are not enough unless the package name, developer, version, Android requirement, source status, and privacy path are visible. opskd keeps those APK checks exposed for this education app: co.wordupapp.app, Geeks Ltd, version 17.1.3416, Not published by official listing, and Check official listing before install.

The official short summary says: "Improve & expand English vocabulary. Learn fresh words daily with vocab builder". opskd treats that as a claim to verify, not as a complete review, because store copy often emphasizes features while leaving permissions, account requirements, monetization, and source status for the user to check separately.

5,000,000+ installs gives enough public footprint to compare the app with alternatives, while still leaving room for careful review of support links and update cadence. 4.6 out of 5 across 185,746 ratings is a strong popularity signal, but it should still be read beside update freshness, privacy posture, and the exact developer name. High ratings can indicate satisfaction, yet they do not prove that permissions, pricing, or account requirements fit your use case.

The listing has been updated within the past year, about 112 days ago. That is acceptable for many categories, but the official listing should still be checked for compatibility notes and recent user feedback.

Who this APK listing is for

WordUp | AI Vocabulary Builder is most relevant for learners, parents, teachers, and self-study users who need structured practice rather than random entertainment. A good fit means the app's stated purpose, screenshots, rating pattern, developer identity, and official source all support the same story. If you only need a quick category browse, compare it with nearby education alternatives; if you are close to installing, slow down and check the APK identity rows first.

  • Best fit: learners, parents, teachers, and self-study users who need structured practice rather than random entertainment.
  • Review focus: lesson depth, age fit, offline access, privacy posture, progress tracking, and whether learning claims are specific and measurable.
  • Current public signal: 5,000,000+ installs and 4.6 out of 5 rating data.

APK source and identity

This page exposes APK metadata for the listing but does not claim to host a standalone APK package. That distinction is intentional. Use the package name, version, file size field, Android requirement, and official listing link as comparison points when you verify the app outside opskd.

  • Package: co.wordupapp.app.
  • Version shown: 17.1.3416.
  • Source status: APK metadata only.
  • Integrity status: No standalone APK hash is published for this listing yet.

Listing quality signals

The useful signals for WordUp | AI Vocabulary Builder are not only the headline score. opskd reads the listing through category fit, developer transparency, version clarity, source status, screenshot availability, privacy policy access, and whether the official description makes specific claims that can be checked. For education, the most important review focus is lesson depth, age fit, offline access, privacy posture, progress tracking, and whether learning claims are specific and measurable.

  • Ads or ad-like wording appear in the listing, so review whether placement interrupts active tasks or gameplay.
  • Family or learning language makes age fit, privacy policy clarity, and parent controls especially important.
  • Category fit matters here: for education, the review focus is lesson depth, age fit, offline access, privacy posture, progress tracking, and whether learning claims are specific and measurable.

Trust checks before install

For education apps, permissions can matter as much as the feature list. review child-directed disclosures, account creation, subscription terms, microphone or camera permissions, and data retention policy. A privacy policy is especially important when the app handles documents, children's activity, learning progress, files, cloud sync, user accounts, location, chat, or social features. If a permission does not fit the app's purpose, treat that as a reason to slow down and verify the developer's explanation.

  • Developer website — Check ownership, support channels, and product documentation from Geeks Ltd.
  • Privacy policy — Review what data may be collected, shared, or retained.
  • Official listing — Confirm the current version, rating, screenshots, and install availability.

Decision checklist

Use this checklist before acting on WordUp | AI Vocabulary Builder. It is designed for quick comparison across all APK listings on opskd, so every app keeps the same core fields visible while the surrounding review notes adapt to category, rating, update freshness, and source status.

  • Confirm that co.wordupapp.app matches the official listing before trusting any install path.
  • Compare version 17.1.3416, file size Not published by official listing, and Android requirement: Check official listing before install.
  • Review Geeks Ltd's privacy policy and support links, especially if the app asks for accounts, files, location, camera, microphone, contacts, or cloud sync.
  • Treat 4.6 out of 5 and 5,000,000+ installs as discovery signals, not proof that the app is safe or right for your device.

Bottom line: WordUp | AI Vocabulary Builder is worth considering only if its package name, developer, source status, version, Android requirement, privacy policy, and permission profile all make sense for your use case. opskd keeps every APK listing exposed while adding this review layer so the page offers more than copied store text and gives you a clearer path before installing.

Official listing description

This is the official app listing description provided for reference. It does not mean opskd hosts a direct APK file for this app.

The world’s first AI-based English vocabulary builder app. If you are serious about your English, you will fall in love with WordUp. It is the smartest way to perfect your English, and learn every word that matters while enjoying the process!


Vocabulary Builder:
Vocab builder feature in WordUp utilizes advanced algorithms to expand vocabulary and improve English skills. It recommends a new word each day based on your current knowledge, allowing you to gradually enhance your language proficiency. By incorporating daily words into your learning routine, WordUp ensures steady and consistent growth in your vocabulary.

Knowledge Map
WordUp helps you build a map of your knowledge by identifying the words you know and the words you don't know. It helps you learn new words by identifying the gaps in your vocabulary and suggesting the most important and useful English words to focus on. By incorporating daily vocabulary and tracking your progress, the Knowledge Map enables you to steadily increase your vocabulary and enhance your understanding of English words.
All 25,000 useful English words are ranked in the order of IMPORTANCE, and USEFULNESS, based on how often they are used in real-world spoken English (extracted from thousands of movies, and TV shows).

To actually learn the words that you discover in your Knowledge Map, WordUp gives you everything you need, and more! From word definitions and pictures to tens of entertaining examples from movies, quotes, news, and more. So you get a good feel of how to use each word in context.

Multilingual Translations
There are also translations in more than 30 languages including French, Spanish, German, Arabic, Turkish, Persian, ...

The daily reviews then kick in. Like flashcards, the words will come back with games and challenges until you master them. It's called Spaced Repetition, and it's scientifically proven to help memorise them forever!

WordUp is unlike any vocabulary builder app you've seen before. It is not another dictionary app, although it can be used as an English dictionary too.

Suitable for Various Users:
WordUp's novel approach to language learning and expanding your vocabulary will leave you feeling confident and empowered. Whether you are new to English, are preparing for an English exam (IELTS, TOEFL, etc), or are a native English speaker, you will find WordUp helpful and entertaining. Just give it a try and see for yourself!
Application popularity
93%
  • 185,746 ratings
  • 1,892 reviews

APK details

WordUp | AI Vocabulary Builder APK identity, source status, and install checks.

Open official listing
  • Package nameco.wordupapp.app
  • Version17.1.3416
  • File sizeNot published by official listing
  • Android requirementCheck official listing before install
  • APK sourceOfficial Google Play listing only
  • Integrity checkNo standalone APK hash is published for this listing yet
  • Safety noteInstall only after checking the official listing and requested permissions.
APK source checkopskd does not host a direct APK for this listing yet. We show the package name, version, file size, Android requirement, and official listing so you can verify the app before leaving the page.

App Information

  • DeveloperGeeks Ltd
  • CategoryEducation
  • Version17.1.3416
  • Installs5,000,000+
  • UpdatedFeb 11, 2026
  • ReleasedFeb 14, 2019
  • Content ratingEveryone
  • Android versionAndroid
  • SizeUnknown

Similar Apps

Recommended Apps