Comparison

Flash Notes vs Lexicon

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

Head to head
About

Flash Notes

Transform your learning with AI-powered flashcards generated from your notes. This app uses spaced repetition algorithms to adapt to your pace and syncs seamlessly across iOS and macOS devices. It's designed for advanced learners seeking a personalized and efficient way to master new concepts and vocabulary.

Highlights
  • AI-powered flashcard generation
  • Spaced repetition learning algorithms
  • Seamless multi-device synchronization
  • Secure iCloud data storage
  • Personalized learning experience
Features
Read full description

Welcome to Flash Notes: Transform Your Learning Experience Why Flash Notes? In a world overflowing with generic learning tools, Flash Notes stands out by offering a highly personalised and efficient learning experience tailored to advanced learners. Available on iOS and macOS, Flash Notes is not just an app; it's your gateway to mastering new concepts and vocabulary, whenever and wherever you choose. Intelligent and Intuitive Learning - AI-Powered Flashcards: Quickly convert your notes into dynamic flashcards. Short on time? AI can craft compelling prompts for you, making learning engaging and effective (available in pro subscription) - Tailored Learning Algorithms: Inspired by the spaced repetition method, Flash Notes adapts to your learning pace, ensuring you learn efficiently, based on your schedule. - Seamless Multi-Device Synchronisation: With CRDT technology, your notes are consistently synced across iOS and MacOS, ensuring smooth transitions from your office Mac to your iPhone on the go. Privacy-Centric Design Your data is your own. Stored securely in iCloud, Flash Notes guarantees that your learning journey remains private and accessible across all your devices. Please note that Generative AI (optional) requires sharing of your answers and note context with the LLM vendor. See privacy policy. For the Curious and Advanced Learner Forget one-size-fits-all. With Flash Notes, your learning is as unique as you are. Whether it’s new professional terminology or intriguing concepts, our app is designed to help you absorb and retain knowledge effectively. Key Features: - Your structured notes are flashcards. - Advanced AI for contextual flashcard generation. - Personalised learning with algorithms modelled on the forgetting curve. - Secure, iCloud-based data storage for privacy. - CRDT technology for reliable, error-free data synchronisation. - Perfect for learners seeking a personalised, advanced learning experience. Join the Learning Revolution Download Flash Notes today and start a learning journey that respects your time, adapts to your pace, and aligns with your personal and professional goals. Craft Your Knowledge: Bespoke Learning, Anytime, Anywhere. Terms of Use (EULA) https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy https://www.flashnotesapp.com/privacy-policy

About

Lexicon

This app helps you expand your vocabulary using AI-powered flashcards. It supports over 30 languages and uses a spaced repetition system for effective learning. Customize your study sessions and track your progress with detailed statistics.

Highlights
  • Automatic flashcard creation
  • AI-powered definitions and translations
  • Multi-language support (30+ languages)
  • Spaced Repetition System (SRS)
  • Customizable learning experience
  • Progress tracking and statistics
Features
Read full description

Expand Your Vocabulary with Lexicon – The Ultimate Flashcards App Unlock the power of words with Lexicon, your personalized vocabulary flashcards app designed to help you learn and master any language efficiently. Whether you’re enhancing your native language skills or diving into a new language, Lexicon uses cutting-edge AI technology to make learning seamless and effective. Key Features β€’ Automatic Flashcard Creation β€’ Simply add any word, and Lexicon instantly generates a flashcard with a precise definition powered by GPT’s advanced language model. β€’ Multi-Language Support β€’ Learn and translate words in 30+ languages, including popular options like Spanish, French, Chinese, Japanese, Arabic, and many more. Whether it’s European, Asian, African, or even constructed languages like Klingon and Esperanto, Lexicon has you covered. β€’ Seamless Language Learning β€’ Automatically translate words into your chosen language to build your vocabulary effortlessly. Perfect for language learners at any level. β€’ Spaced Repetition System (SRS) β€’ Enhance retention and recall with our scientifically-backed spaced repetition algorithm, ensuring you remember words exactly when you need them. β€’ AI-Powered Definitions and Translations β€’ Unlike traditional apps with limited databases, Lexicon leverages GPT to provide accurate, context-aware definitions and translations for any word you enter. β€’ Customizable Learning Experience β€’ Tailor your study sessions to fit your personal learning style and pace. Track your progress and stay motivated with detailed statistics. β€’ User-Friendly Interface β€’ Enjoy a clean, intuitive design that makes adding, reviewing, and managing your flashcards a breeze. Why Choose Lexicon? β€’ Comprehensive Language Support: From widely spoken languages to niche and constructed ones, Lexicon supports a diverse range to cater to all learners. β€’ AI-Enhanced Learning: Benefit from the latest advancements in language processing with GPT-powered content generation. β€’ Efficient Learning Methodology: Our spaced repetition system maximizes your learning efficiency, helping you build a robust vocabulary faster. β€’ Constant Updates: We continuously expand our language offerings and enhance features based on user feedback to provide the best learning tool possible. Boost Your Language Skills Today! Join thousands of users who are transforming their language learning journey with Lexicon. Whether you’re preparing for exams, traveling, or simply passionate about languages, Lexicon is your go-to app for expanding your vocabulary effectively. Lexicon supports a wide range of languages, including Spanish, French, German, Chinese, Japanese, Korean, Italian, Dutch, Portuguese, Russian, Arabic, Hindi, Bengali, Turkish, Vietnamese, Polish, Ukrainian, Greek, Swedish, Indonesian, Javanese, Kannada, Malay, Marathi, Persian, Punjabi, Tamil, Telugu, Thai, Turkmen, Urdu, Malayalam, Amharic, Swahili, Zulu, Yoruba, Igbo, Hausa, Afrikaans, Somali, Shona, Hebrew, Esperanto, Latin, Klingon, and Lojban. Download Lexicon now and start your journey to mastering new words and languages!

Screenshots

Flash Notes3 screens
Lexicon4 screens

Verdict

The call

The clearest difference is in-app purchases: Lexicon at none against Flash Notes's 2. Flash Notes's advantage is update cadence (every 3 days vs every 5 weeks) and device support (3 vs 1). On price, review sentiment, ads and iOS requirement there is nothing between them.

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

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Flash Notes sells 2 in-app purchases, starting at $2.99 per month. Lexicon asks for nothing beyond the download.

UpkeepUpdate frequency

Flash Notes ships an update every 3 days, Lexicon every 5 weeks. The most recent releases landed on June 4, 2026 and September 9, 2026 respectively.

Scorecard4 real differences Β· 4 level
Flash Notes versus Lexicon: the parameters behind the verdict, then further details
ParameterFlash NotesLexicon
PriceFreeFree
Positive reviews100.0% of reviews100.0% of reviews
Update frequencyEvery 3 days β€” betterEvery 5 weeks
AdsNoNo
In-app purchasesYesNo β€” better
MonetizationFreemiumFree β€” better
DevicesiPhone, iPad, Mac β€” betteriPhone
Requires iOS17.0 β€” better17.2
Further details β€” not scored
Size7 MB13 MB
Age rating17+4+
Developercr3studio ltdPaul Breslin

Customer experience

Flash Notes

Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Lexicon

Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

2 purchases

Flash Notes

Subscriptions2
  • Pro Monthly Subscription7 Days trial$2.991 Month
  • Pro Yearly Subscription7 Days trial$29.991 Year
None

Lexicon

No in-app purchases

Questions

Is Flash Notes free?
Flash Notes is free to download, with in-app purchases available.
Is Lexicon free?
Lexicon is free to download, with no in-app purchases.
Do Flash Notes or Lexicon have ads?
Neither Flash Notes nor Lexicon shows ads.
Which is updated more often, Flash Notes or Lexicon?
Flash Notes ships an update every 3 days, and Lexicon every 5 weeks. Most recently, Flash Notes was updated on June 4, 2026 and Lexicon on September 9, 2026.

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