Comparison

Flexi vs LearnWhat

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Flexi

Build your vocabulary and master new languages with an AI-powered flashcard system. Create personalized cards, get instant translations and definitions, and utilize spaced repetition for effective long-term memorization. Supports numerous languages and offers offline study options.

Highlights
  • Personalized flashcard creation
  • AI-powered translations and definitions
  • Spaced repetition system
  • Text-to-speech pronunciation
  • Offline study mode
  • Progress tracking
  • CSV import/export
Features
Read full description

Flexi is an AI-powered vocabulary builder and language-learning flashcard app that turns a word or short expression into ready-to-study cards in seconds. Compare options for different meanings, edit any detail, and save one or several cards to your deck. Each AI-generated flashcard can include a translation, contextual example, definition, part of speech, and—where supported—a written pronunciation guide. Flexi then schedules reviews with FSRS-powered spaced repetition to help you remember vocabulary long term. WHY LEARN WITH FLEXI? - AI Flashcard Maker: Enter a word or short expression and get several editable card options for relevant meanings. - Complete Vocabulary Cards: Generate translations, examples, definitions, parts of speech, and pronunciation guides based on your deck’s language and settings. - Pronunciation Guides: Generate IPA for English, Spanish, German, Dutch, Czech, Finnish, and Romanian; kana for Japanese; Pinyin or Zhuyin for Mandarin Chinese; and Jyutping for Cantonese. - Spaced Repetition: Study and memorize new words with FSRS-based scheduling that plans reviews at the right time. - Text-to-Speech Audio: Hear words and examples to practice listening and pronunciation. - Flexible Card Creation: Add one card, select several meanings at once, or paste a word list to create flashcards in bulk. - Easy Imports: Bring your existing study decks from Anki, Quizlet, or CSV files. - English Vocabulary Sets: Start learning immediately with curated, ready-made word sets. - Quick Notes: Save words you meet in videos, books, or conversations and turn them into flashcards later. - Track Your Progress: Follow your learning progress and study comfortably with Dark Mode. FLEXI PREMIUM - Interactive AI Language Tutor: Ask questions about any flashcard, explore nuances, and practice fill-in-the-blank exercises at your level. - AI and Personal Images: Generate or upload images to strengthen visual memory. - Topic-Based Vocabulary: Build word sets for travel, business, idioms, small talk, and more. - Full Catalog Access: Unlock all curated English vocabulary sets. SUPPORTED LANGUAGES English, Spanish, French, German, Dutch, Japanese, Korean, Chinese (Simplified and Traditional), Italian, Portuguese, Russian, Arabic, Turkish, Swedish, Danish, Norwegian, Polish, Ukrainian, Hungarian, Czech, Thai, Hebrew, Vietnamese, Finnish, Romanian, and Serbian. Try Flexi Premium free for 7 days and build a vocabulary study system that fits your goals. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

LearnWhat

Features
Read full description

LearnWhatAI transforms the way you study by turning your notes, textbooks, and documents into interactive flashcards using advanced AI technology. SMART FLASHCARD CREATION • Upload photos of your notes, textbooks, or study materials • AI automatically extracts key concepts and generates flashcards • Support for multiple languages including English, Turkish, and German • Choose from different AI models for varying levels of detail EFFECTIVE STUDY MODES • Interactive flip-card study sessions • AI-powered answer validation with instant feedback • Track your progress with correct/incorrect counters • Self-assessment mode for quick reviews EXPERT CONTENT PACKS • Access curated flashcard packs created by subject matter experts • Browse categories like Math, Science, History, Languages, and more • Start learning immediately without creating your own content • Perfect for standardized test preparation TRACK YOUR PROGRESS • Detailed study statistics and accuracy tracking • Daily streak counter to build consistent study habits • Achievement system to celebrate your milestones • Visual progress indicators for each flashcard set PERSONALIZED EXPERIENCE • Beautiful, modern interface with light and dark mode • Available in English and Turkish • Syncs across all your devices • Organize sets by courses and topics SUBSCRIPTION OPTIONS • Free tier: Create up to 5 sets per month • Premium: 50 sets per month with advanced features • Pro: Unlimited sets and priority support Whether you're a student preparing for exams, a professional learning new skills, or a lifelong learner exploring new subjects, LearnWhatAI makes studying smarter, not harder. Download now and experience the future of learning! Terms of Use (EULA):https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Flexi4 screens
LearnWhat4 screens

Verdict

The call

Flexi and LearnWhat are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Flexi sells 4 in-app purchases, starting at $5.99 per month and LearnWhat sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Flexi ships an update weekly, LearnWhat every 4 days. The most recent releases landed on November 4, 2026 and October 31, 2026 respectively.

ScorecardNo meaningful differences
Flexi versus LearnWhat: the parameters behind the verdict, then further details
ParameterFlexiLearnWhat
PriceFreeFree
Rating4.8 (138 ratings) — better—
Positive reviews76.6% of reviews—
Number of ratings138 — better—
Update frequencyWeeklyEvery 4 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFreemium—
DevicesiPhone, iPadiPhone, iPad
Requires iOS18.017.0 — better
Further details — not scored
Size82 MB17 MB
Age rating12+4+
DeveloperTomer BeilinsonPByte Tech

In-app purchases

4 purchases

Flexi

Subscriptions3
  • Premium Monthly7 Days trial$5.991 Month
  • Premium Monthly$5.991 Month
  • Premium Annual7 Days trial$29.991 Year
One-time1
  • Premium Lifetime$99.99
2 purchases

LearnWhat

Subscriptions2
  • Premium Monthly$4.991 Month
  • Pro Monthly$9.991 Month

Questions

Is Flexi free?
Flexi is free to download, with in-app purchases available.
Is LearnWhat free?
LearnWhat is free to download, with in-app purchases available.
Do Flexi or LearnWhat have ads?
Neither Flexi nor LearnWhat shows ads.
Which is updated more often, Flexi or LearnWhat?
Flexi ships an update weekly, and LearnWhat every 4 days. Most recently, Flexi was updated on November 4, 2026 and LearnWhat on October 31, 2026.

Other comparisons