Calleo: Learn Words with AI
Study vocabulary: quiz cards.
Only for iPhone
Free · Designed for iPhone. Not verified for macOS.
iPhone
Calleo: Learn Words with AI is an app for learning and reviewing vocabulary through interactive study tools and game-style exercises. It's made for students, travelers, professionals, and anyone learning a language who wants to grow their vocabulary regularly and conveniently. Instead of just looking through words, you practice them in different types of tasks, so studying stays varied and clear.
Flashcards are at the heart of Calleo. Go through cards at your own pace, return to words you've already learned, and focus on the ones that need more practice. It's a handy way to review before a class, a trip, a work meeting, or during a short break — and it suits regular review in small steps, without overloading yourself with big chunks of material.
To train your memory, there's also a multiple-choice quiz. It checks whether you can recognize a word's meaning among several options and gradually strengthens the link between a word and how it's used. It's a quick way to run through a small set and see how well you already know it — great for self-testing and for short daily sessions when you only have a few minutes.
Another way to learn is the card matching game: find and connect word pairs, turning review into a quick exercise with a playful twist. It's especially useful if you learn better by actively interacting with the material rather than reading word lists, and it adds variety to your practice without losing sight of your learning goal.
Calleo also offers fill-in-the-blank exercises with AI-generated sentences. You see each word in context and practice placing it into a sentence. This helps you not only recognize vocabulary but also use it more naturally — when a word appears in a sentence, it's easier to understand how it combines with other words and when it fits.
Calleo creates themed vocabulary sets with AI, too. Focus on a specific topic, such as words for travel, studying, or professional communication. Themed sets organize learning around a real goal instead of words unrelated to your needs — a focused way to start when you need to prepare quickly for a trip, work, or a school assignment.
Day to day, Calleo is built for short sessions: review words, practice a new topic, or switch the exercise format so you don't lose interest. Mix flashcards, quizzes, the matching game, and fill-in-the-blank exercises depending on what you want to work on today. Learning fits easily into your routine — on a break, on the go, or in the evening after work or class — even if you study irregularly and don't want complicated preparation.
If you want a clear way to learn words without extra clutter, Calleo: Learn Words with AI offers exactly that: vocabulary practice in different formats. Learn new words, review familiar ones, and see them in context through simple, varied exercises. Download Calleo if you want a tool for steadily building your vocabulary that combines learning, review, and game elements.
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added texts on flashcard and faster fill-in-sentence generation
The developer, Viacheslav Stetsenko, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
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Information
- Seller
- Viacheslav Stetsenko
- Size
- 78.2 MB
- Category
- Education
- Compatibility
Requires iOS 16.4 or later.
- iPhone
Requires iOS 16.4 or later. - Mac
Requires macOS 12.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
English and 43 more
- English, Arabic, Bulgarian, Catalan, Cebuano, Croatian, Czech, Danish, Dutch, Estonian, Finnish, French, German, Greek, Gujarati, Hebrew, Hindi, Hungarian, Indonesian, Italian, Japanese, Kazakh, Korean, Latvian, Lithuanian, Malay, Norwegian Bokmål, Polish, Portuguese, Romanian, Russian, Serbian, Simplified Chinese, Slovak, Slovenian, Spanish, Swedish, Tagalog, Thai, Traditional Chinese, Turkish, Ukrainian, Uzbek, Vietnamese
- Age Rating
4+
- 4+
- Copyright
- © 2026 Viacheslav Stetsenko