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Vocabulary building apps

Explore iPhone apps for vocabulary building. Compare the main workflows, supported features, purchase options, and limitations documented for each listing. Greatooly links to official sources so you can check current availability and terms before choosing.

What to compare

Apps in this category approach vocabulary building in different ways. Start with the task you need to complete, then compare the workflow and the specific features listed on each app page. The directory below links to app details, documented limitations, purchase notes, and sources.

How this directory is prepared

Greatooly summarizes public product information and links to official listings. App pages identify whether information was researched or hands-on tested. Pricing and availability can change by storefront, app version, and date, so check the linked source before purchase.

How to choose

Match the app's documented workflow to the specific vocabulary building task you need to do.
Compare the current free tier, paid features, and renewal terms in the official listing.
Check supported devices, data export, sync, and privacy details where they matter to your use.

Frequently asked questions

Are all apps hands-on tested?

No. Each app detail page states whether its information was researched from public sources or hands-on tested. This category page does not imply that every app was tested.

Are prices and features guaranteed to be current?

No. App availability, prices, and features can change. Check the linked official store listing and the verification date shown on each app page.

Wordload: Japanese Vocabulary

A Japanese vocabulary trainer that adjusts daily study load based on learner retention.

renshuu - Japanese learning

A Japanese-learning app with textbook and JLPT paths, a large lesson library, customizable quizzes, and spaced review for vocabulary and kanji.

Ziman : Learn Language With AI

Ziman is a free language-practice app built around AI conversations. It provides feedback on grammar, vocabulary, and sentence structure, with practice for real-life situations, daily progress tracking, and no account requirement to get started. The developer says learning progress is stored locally; the app may display ads.

Victor AI - Language Learning

Practice spoken languages through AI conversations, guided dialogues, vocabulary tools, and speech feedback.

Verb Dojo: Language Learning

Practice Spanish and French verb conjugations with typing and multiple-choice drills, then revisit forms on a spaced-repetition schedule.

Umi - Language Learning

Practice Japanese, Korean, Spanish, French, German, or English through short video clips and language lessons.

TalkOn AI:AI Language Learning

Practice speaking English and other languages with AI teachers, role-play conversations, contextual lessons, and pronunciation and grammar tools.

Speak AI- Language Learning

Practice spoken English with an AI conversation partner, pronunciation feedback, and guided language exercises.

Scrollingua: Language Learning

Scrollingua teaches Japanese, Korean, Mandarin, Spanish, French, and German through short videos with interactive subtitles, tap-to-translate dictionary lookups, grammar hints, saved vocabulary, spaced review, guided lessons, and speaking practice. Pro subscriptions unlock unlimited scrolling, scans, and the full lesson path; prices are shown in the app.

ReadRabbit: Kids Book Tracker

A family reading companion that tracks children’s books, reading levels, comprehension practice, and progress.

QuizzyCards

A minimal flashcard app with custom decks, CSV import, study streaks, iCloud sync, and progress charts.

My Study App - Flashcards

My Study App is a free flashcard and quiz tool with spaced repetition, multiple-choice and typed-answer practice, matching games, weak-card review, document import, public community decks, and sharing. The developer says it works on iPhone and iPad with no subscription requirement; Apple or Google sign-in can sync sets.