Flexi: Vocabulary Builder
Tomer Beilinson Education In-app purchases
AI-powered vocabulary builder to learn words with flashcards & spaced repetition
- Downloads
- 1.2K+
- on Google Play
- Price
- Free
- In-app purchases
- Updated
- Oct 26
- 2026 · v2.2.1
Screenshots
About Flexi: Vocabulary Builder
Flexi is a powerful vocabulary builder app that helps you learn new words, improve vocabulary, and study languages effectively. With flashcards and a modern spaced repetition system (SRS), you can memorize vocab faster and retain it longer.
Whether you’re learning English, Spanish, German, or any of the 24 supported languages, Flexi makes studying easy, fun, and efficient.
Key Features:
📚 Create decks & cards: Build personalized flashcards with words, translations, examples, and definitions.
🔄 Spaced repetition system: Study smarter with scientifically proven review intervals to maximize memory retention.
🎯 Daily learning goals: Stay motivated by setting how many new cards you want to study each day.
✍️ Flexible learning: Add your own vocab and study at your own pace.
🔔 Reminders & streaks: Keep up your learning habit with study reminders and track progress with streaks.
Flexi is designed for anyone who wants to improve vocabulary, expand language skills, and make progress every day. Students, travelers, professionals, or language enthusiasts — everyone can benefit from studying with flashcards.
Whether you want to learn new English words, practice Spanish vocab, or expand your German vocabulary, Flexi adapts to your goals. Build your decks, review cards, and level up your language step by step
Whether you’re learning English, Spanish, German, or any of the 24 supported languages, Flexi makes studying easy, fun, and efficient.
Key Features:
📚 Create decks & cards: Build personalized flashcards with words, translations, examples, and definitions.
🔄 Spaced repetition system: Study smarter with scientifically proven review intervals to maximize memory retention.
🎯 Daily learning goals: Stay motivated by setting how many new cards you want to study each day.
✍️ Flexible learning: Add your own vocab and study at your own pace.
🔔 Reminders & streaks: Keep up your learning habit with study reminders and track progress with streaks.
Flexi is designed for anyone who wants to improve vocabulary, expand language skills, and make progress every day. Students, travelers, professionals, or language enthusiasts — everyone can benefit from studying with flashcards.
Whether you want to learn new English words, practice Spanish vocab, or expand your German vocabulary, Flexi adapts to your goals. Build your decks, review cards, and level up your language step by step
What’s new
Version 2.2.1 · Updated October 26, 2026
• Easier card selection Tap the text or any empty area of a new card to select it before adding it to your deck. • Improvements and fixes Small improvements and bug fixes, including publishing decks and using decks you follow. Have feedback or found a bug? Let me know at [email protected]!
Alternatives to Flexi: Vocabulary Builder
Looking for apps like Flexi: Vocabulary Builder? Here are 6 similar Android apps on Google Play. All of them are free to download.
| App | Rating | Price | Installs | Last updated | Compare |
|---|---|---|---|---|---|
| Flexi: Vocabulary Builder | – | Free | 1,000+ | Oct 26, 2026 | |
| Future School | – | Free | 100+ | Oct 14, 2026 | Compare |
| Nanonan | – | Free | 1+ | Aug 8, 2026 | Compare |
| Kmis school | – | Free | 10+ | – | Compare |
| GO Academy | – | Free | 10+ | Aug 24, 2026 | Compare |
| Surah Yaseen With Talawat | – | Free | 100+ | – | Compare |
| myApricus | – | Free | 10+ | Aug 8, 2025 | Compare |
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